q235a material

what materials of S235JR?

Material Q215A/B,Q235A/B/C/D,Q275A/B/C/D,SS330,SS400,SM400A,Cr.C,Cr.D,S235JR,ASTM A36 S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel plates,namely carbon structural steels with low carbon,used for welding,bolting,and more riveted structure.q235 steel equivalent in india steel plate - Steel Liste Specialized in q235 steel equivalent in india steel plate.Q235 Steel Plate Equivalent Steel StandardASTM A36Substitution of A36,SS400 and Q235 steel plate.Although the Q235 steel grade steel plate has lower mechanical properties than A36 and SS400 material,but in actual operation process,as long as the buyers do not have special requirement,often these three kinds of materialsplate heat exchanger material selectionPlate heat exchanger framework is composed of fixed and moveable plates (including baffle,the intermediate plate),upper and lower guiding bars,columns,tightening bolts,anchors,etc.

What is Q235?The difference between Q235A and Q235B

What is Q235?The difference between Q235A and Q235B.Ordinary carbon steel - General Board,is a steel material.Q represents the yield of this material,behind the 235,refers to the yield value of this material at about 235.And the thickness of the material will increase its yield value decreases.Q235A,Q235B,Q235C,Q235D.WHAT'S THE DIFFERENCE BETWEEN Q195,Q215,Q235,Q235A and Q235B steel all are carbon steel.In the national standard GB700-88 in the material of the Q235A and Q235B distinction mainly carbon steel,the material for the carbon content of the material Q235A at between 0.14-0.22%; Q235B the impact of the material do not do experiments,but Regular temperature impact test,V-notch.The difference between GB/T 700 Q235A steel plates and Q235A material does not need impact test.While Q235B steel need to do normal temperature impact test,V notch.Under consultation with the client,the carbon content of Q235B material can also be less than or equal to 0.22%.In contrast,the mechanical properties of the steel Q235B are far superior to that of the material Q235A.

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextRolled Steels for General Structure GB GB-Q235A Steel

SS400 according to material grade and name defined in the JIS G 3101 standard,The first S stands for Steel,the second S stands for Structure,and 400 for the lower limit tensile strength of 400 MPa.Ordinary structural steel with a tensile strength of 400 Mpa.This steel isSS400 steel plate and Q235 steel plate - Jaway SteelSS400 is a way of marking the Japanese steel material,equivalent to the domestic Q235 steel.Foreign standards often classify the structural steel material according to the tensile strength,such as discount price sale SS400 steel plate,SS400 which means that the tensile strength is 400Mpa minimum..The chemical composition and physical property of SS400 steel plate:Q235B,Q235B PLATE,Q235B STEELQ235B is the most common used among carbon steel.It is equal to steel grades ASTM A36,JIS G3101 SS400,EN 10025-2 S235JR.Xinsteel stocks carbon steel Q235B in coils shape and plate shape at port warehouses with many sizes.

Q235B (GB ) - Worldwide equivalent grades

European equivalent grade for Non-alloy quality structural steel ??? According EN 10250-2:2000 steel S235JRG2 also named 1.0038 ??? Q235B (GB ) S235JR (1.0038(dubl)) NEW opportunities for buyers! Post free buying requirement for product Q235B (GB )Q235A-GB /T 700-2006-Globalfastener Material Q235A Standard GB /T 700-2006 Carbon Structural Steels Chemical Composition (%) Standard Material Designation Chemical Composition (%) GB /T 700-2006 Carbon Structural Steels Q235A Q235A-GB /T 700-2006-Globalfastener Material Q235A Standard GB /T 700-2006 Carbon Structural Steels Chemical Composition (%) Standard Material Designation Chemical Composition (%) GB /T 700-2006 Carbon Structural Steels Q235A

Q235A spiral steel pipe - Longtaidi(R) pipes

The difference between Q235A and Q235B Q235A and Q235B distinction steel are the carbon steel.Do not do impact Q235A material in the national standards GB / T 700-2006,Q235A and Q235B material distinction primarily carbon content of the steel,the material is Q235A material carbon content is usually in the range of 0.14-0.22%; experiments Q235B done at room temperature impact test,the V-notch.Q235A spiral steel pipe is located in Wuyang City and is specialized in manufacturing Steel Plates.With an experienced and professional team,we have exported our products to many countries and regions all over the world,especially Southeast Asia,the Middle East and Eastern Europe.Q235A China Structural steel - equivalent gradesEquivalents to grade Q235A.Country - China Standard - GB 700-88 Grade - Q235A 16D ( 16 ) - Structural steel for welding construct 18kp ( 18 ) - High quality structural carbon steel St3kp ( 3 ) - Normal quality structural carbon

Q235A (GB ) - Worldwide equivalent grades

Q235A (China,GB ) - European (EU,EN) and wordwide Steel equivalent grades These comparison table is only intended as an indication of the closest khown equivalent grades.The source standarts should always be checked for the specific purpose for each material,in case of doubt Buy,sell,suppliers search product Q235A on-lineQ235 vs.Q345 Steel Plate (How to Distinguish) MachineMfgRegarding how to distinguish the steel plate from Q235 and Q345,therere several methods Distinguish Q345 and Q235 A method There are two kinds of materials thatQ235 Steel Plate Equivalent Steel Standard-ASTM A36From the analysis of mechanical properties,A36 and SS400 are more equivalent,while Q235 material is less.Substitution of A36,SS400 and Q235 steel plate Although the Q235 steel grade steel plate has lower mechanical properties than A36 and SS400 material,but in actual operation process,as long as the buyers do not have special requirement

Q235 Steel Chemical composition,Metal Properties

Q235.China GBT Q235 China structural steel and alloy steel and Q235 Mechanical Properties,Chemical Element,Cross Reference,Datasheet.Q235 Steel (Q235A Q235B Q235C Q235D) Q235 steel is a plain carbon structural steelwhich is widely used in China,Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades Q235A,Q235B,Q235C and Q235D; Density of this steel is 7.85 g/cm3,tensile strength is 370-500 MPa; yield strength is 235 MPa (data are for steel bar or steel plate diameter 16mm).Q235 Steel Q235A Q235B Q235C Q235D - The World MateWas this helpful?People also askWhat is q235a steel in American standards?What is q235a steel in American standards?Q235A and Q235B steel belong to carbon steel .In the national standard GB700-88,the material on Q235A and Q235B main distinction in terms of carbon steel,the carbon content of the material as a material Q235A between 0.14-0.22%; Q235B material impact do experiments,but often do impact test temperature,V-notch.Q195,Q215,Q235,Q255 and Q275 in the material What is Q195,Q215,Q235,Q255 and Q275 in the material What is Q235A and Q235B steel belong to carbon steel.In the national standard GB700-88,the material on Q235A and Q235B main distinction in terms of carbon steel,the carbon content of the material as a material Q235A between 0.14-0.22%; Q235B material impact do experiments,but often do impact test temperature,V-notch.

Overview of Q235 Steel Plate Specification

Q235 steel is equivalent to Japenese steel grade SS400 in application,the only difference is that ss400 steel requires only S,P composition q235a materiallt; 0.050,Q235 has requirements for More element C,Si,Mn,S,P.Yield strength of q235 is q235a materialgt;235Mpa,which is almost the same to SS400 245Mpa.Q represents the yield of this material,the latter 235,refers to the yield value of this material,at about 235MPA.Images of Q235A Material imagesQ235A Included in 3 standards (China)Q235A Included in 3 standards (China) Standards GB/T 3091 Welded steel pipe for low pressure liquid delively GB/T 3524 Hot-rolled cardon and low alloy structural steel strips GB/T 700 Carbon Structural Steels Chemical composition C q235a materiallt; 0.22 Si q235a materiallt; 0.35 Mn q235a materiallt; 1.4 P q235a materiallt; 0.045 S q235a materiallt; 0.05 Cr q235a materiallt; 0.3 Ni q235a materiallt; 0.3 Cu q235a materiallt; 0.3 N q235a materiallt; 0.008 As q235a materiallt; 0.08 Fe RestGB/T 700 Q235A Carbon Steel Precision Casting-GB/T 700 Q235A precision castings is widely used in auto,moto,railway and shipping construction machinery,mining machinery and engineering machinery industries.We can produce GB/T 700 Q235A precision castings according to your drawings.

GB/T 700 Q235A Carbon Steel Plate__Steel Supplier

Q235A Extra Service:Pretreatment (Shot Blasting,Sand Blast,Painting and Galvanized),Cutting Parts,Sample Service,Third Party inspection,UT Test and Size inspection.If you have any requirement in steel plate for Q235A,whether the new plate or stock list of material,please feel free toFile Size 19KBPage Count 2Datasheet for Steel Grades Structure Steel Q235Steel GradesQ235 Chemical information,Mechanical properties Physical properties,Mechanical properties,Heat treatment,and Micro structure This page is mainly introduced the Q235 Datasheet,including chemicalAcero Q235,Q235A Q235B Q235C Q235D - MaterialAcero Q235 Especificaciones y Propiedades.El acero Q235 es un acero estructural de carbono norma Chino,seg q235a material#250;n GB/T 700 2006,se divide en 4 grados de calidad Q235A,Q235B,Q235C y Q235D,la densidad del material es de 7.85 g/cm3,la resistencia a la tracci q235a material#243;n es de 370-500 MPa,el l q235a material#237;mite el q235a material#225;stico es de 235 MPa (los datos son para barra de acero o di q235a material#225;metro de placa de acero 16 mm).

Acero Q235,Q235A Q235B Q235C Q235D - Material Mundial

Acero Q235 Especificaciones Y PropiedadesCaracter q235a material#237;sticas Y AplicacionesFicha Tecnica Y EspecificacionesAcero Q235 EquivalenciasEl acero Q235 es un acero estructural de carbono norma Chino,seg q235a material#250;n GB/T 700 2006,se divide en 4 grados de calidad Q235A,Q235B,Q235C y Q235D,la densidad del material es de 7.85 g/cm3,la resistencia a la tracci q235a material#243;n es de 370-500 MPa,el l q235a material#237;mite el q235a material#225;stico es de 235 MPa (los datos son para barra de acero o di q235a material#225;metro de placa de acero 16 mm).See more on materialmundialSome results are removed in response to a notice of local law requirement.For more information,please see here.12345Nextq235a material,q235a material Suppliers andA wide variety of q235a material options are available to you,such as galvanized sheet.You can also choose from rohs q235a material There are 2,467 suppliers who sells q235a material on ,mainly located in Asia.The top countries of supplier is China,from which the percentage of q235a material supply is 100% respectively. results for this questionWhat is the specification of steel?What is the specification of steel?Specifications of steel.1. Steel is essentially a combination of iron and carbon . Carbon content of common grades ranges from a few hundredths to about one per cent. Steels also contain varying amounts of other elements,principally manganese,phosphorus,sulfur,and silicon,which are always present if only in trace amounts.Reference slideshare.net/prabhatchhirolya/specifications-of-steel#:~:text=Sp results for this questionWhat are materials of s235jr?What are materials of s235jr?EN 10025 S235JR material (1.0038 steel)is an European standard hot rolled non-alloy structural steel grade.It has good plasticity,toughness and weldability,certain strength and good cold bending properties.Reference worldsteelgrades/1-0038-steel-s235jr-material/ results for this questionFeedbackQ235 Steel Q235A Q235B Q235C Q235D - The WorldQ235 SteelFeatures and ApplicationsData Sheet and SpecificationQ235 Steel EquivalentQ235 steel is a plain carbon structural steel which is widely used in China,Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades Q235A,Q235B,Q235C and Q235D; Density of this steel is 7.85 g/cm3,tensile strength is 370-500 MPa; yield strength is 235 MPa (data are for steel bar or steel plate diameter 16mm).Since its mild steel,it is used directly without heat treatment.See more on theworldmaterialQ235A,Q235A PLATE,Q235A STEELQ235 carbon steel contains four different grades as Q235A,Q235B,Q235C and Q235D.The big difference among these four carbon steel grades is the impacting temperature. results for this questionWhat is q235 steel grade?What is q235 steel grade?Q235 steel is a carbon structural steel .It is equivalent to A3 and C3 steel in the old standard GB700-79 grade,and it is the grade of Russian TOCT.The Q in the steel number represents the yield strength.Usually,the steel is used directly without heat treatment.What is Q235 steel grade? - Quora

what materials of S235JR?

Material Q215A/B,Q235A/B/C/D,Q275A/B/C/D,SS330,SS400,SM400A,Cr.C,Cr.D,S235JR,ASTM A36 S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel plates,namely carbon structural steels with low carbon,used for welding,bolting,and more riveted structure.q235 steel equivalent in india steel plate - Steel Liste Specialized in q235 steel equivalent in india steel plate.Q235 Steel Plate Equivalent Steel StandardASTM A36Substitution of A36,SS400 and Q235 steel plate.Although the Q235 steel grade steel plate has lower mechanical properties than A36 and SS400 material,but in actual operation process,as long as the buyers do not have special requirement,often these three kinds of materialsplate heat exchanger material selectionPlate heat exchanger framework is composed of fixed and moveable plates (including baffle,the intermediate plate),upper and lower guiding bars,columns,tightening bolts,anchors,etc.

What is Q235?The difference between Q235A and Q235B

What is Q235?The difference between Q235A and Q235B.Ordinary carbon steel - General Board,is a steel material.Q represents the yield of this material,behind the 235,refers to the yield value of this material at about 235.And the thickness of the material will increase its yield value decreases.Q235A,Q235B,Q235C,Q235D.WHAT'S THE DIFFERENCE BETWEEN Q195,Q215,Q235,Q235A and Q235B steel all are carbon steel.In the national standard GB700-88 in the material of the Q235A and Q235B distinction mainly carbon steel,the material for the carbon content of the material Q235A at between 0.14-0.22%; Q235B the impact of the material do not do experiments,but Regular temperature impact test,V-notch.The difference between GB/T 700 Q235A steel plates and Q235A material does not need impact test.While Q235B steel need to do normal temperature impact test,V notch.Under consultation with the client,the carbon content of Q235B material can also be less than or equal to 0.22%.In contrast,the mechanical properties of the steel Q235B are far superior to that of the material Q235A.

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextRolled Steels for General Structure GB GB-Q235A Steel

SS400 according to material grade and name defined in the JIS G 3101 standard,The first S stands for Steel,the second S stands for Structure,and 400 for the lower limit tensile strength of 400 MPa.Ordinary structural steel with a tensile strength of 400 Mpa.This steel isSS400 steel plate and Q235 steel plate - Jaway SteelSS400 is a way of marking the Japanese steel material,equivalent to the domestic Q235 steel.Foreign standards often classify the structural steel material according to the tensile strength,such as discount price sale SS400 steel plate,SS400 which means that the tensile strength is 400Mpa minimum..The chemical composition and physical property of SS400 steel plate:Q235B,Q235B PLATE,Q235B STEELQ235B is the most common used among carbon steel.It is equal to steel grades ASTM A36,JIS G3101 SS400,EN 10025-2 S235JR.Xinsteel stocks carbon steel Q235B in coils shape and plate shape at port warehouses with many sizes.

Q235B (GB ) - Worldwide equivalent grades

European equivalent grade for Non-alloy quality structural steel ??? According EN 10250-2:2000 steel S235JRG2 also named 1.0038 ??? Q235B (GB ) S235JR (1.0038(dubl)) NEW opportunities for buyers! Post free buying requirement for product Q235B (GB )Q235A-GB /T 700-2006-Globalfastener Material Q235A Standard GB /T 700-2006 Carbon Structural Steels Chemical Composition (%) Standard Material Designation Chemical Composition (%) GB /T 700-2006 Carbon Structural Steels Q235A Q235A-GB /T 700-2006-Globalfastener Material Q235A Standard GB /T 700-2006 Carbon Structural Steels Chemical Composition (%) Standard Material Designation Chemical Composition (%) GB /T 700-2006 Carbon Structural Steels Q235A

Q235A spiral steel pipe - Longtaidi(R) pipes

The difference between Q235A and Q235B Q235A and Q235B distinction steel are the carbon steel.Do not do impact Q235A material in the national standards GB / T 700-2006,Q235A and Q235B material distinction primarily carbon content of the steel,the material is Q235A material carbon content is usually in the range of 0.14-0.22%; experiments Q235B done at room temperature impact test,the V-notch.Q235A spiral steel pipe is located in Wuyang City and is specialized in manufacturing Steel Plates.With an experienced and professional team,we have exported our products to many countries and regions all over the world,especially Southeast Asia,the Middle East and Eastern Europe.Q235A China Structural steel - equivalent gradesEquivalents to grade Q235A.Country - China Standard - GB 700-88 Grade - Q235A 16D ( 16 ) - Structural steel for welding construct 18kp ( 18 ) - High quality structural carbon steel St3kp ( 3 ) - Normal quality structural carbon

Q235A (GB ) - Worldwide equivalent grades

Q235A (China,GB ) - European (EU,EN) and wordwide Steel equivalent grades These comparison table is only intended as an indication of the closest khown equivalent grades.The source standarts should always be checked for the specific purpose for each material,in case of doubt Buy,sell,suppliers search product Q235A on-lineQ235 vs.Q345 Steel Plate (How to Distinguish) MachineMfgRegarding how to distinguish the steel plate from Q235 and Q345,therere several methods Distinguish Q345 and Q235 A method There are two kinds of materials thatQ235 Steel Plate Equivalent Steel Standard-ASTM A36From the analysis of mechanical properties,A36 and SS400 are more equivalent,while Q235 material is less.Substitution of A36,SS400 and Q235 steel plate Although the Q235 steel grade steel plate has lower mechanical properties than A36 and SS400 material,but in actual operation process,as long as the buyers do not have special requirement

Q235 Steel Chemical composition,Metal Properties

Q235.China GBT Q235 China structural steel and alloy steel and Q235 Mechanical Properties,Chemical Element,Cross Reference,Datasheet.Q235 Steel (Q235A Q235B Q235C Q235D) Q235 steel is a plain carbon structural steelwhich is widely used in China,Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades Q235A,Q235B,Q235C and Q235D; Density of this steel is 7.85 g/cm3,tensile strength is 370-500 MPa; yield strength is 235 MPa (data are for steel bar or steel plate diameter 16mm).Q235 Steel Q235A Q235B Q235C Q235D - The World MateWas this helpful?People also askWhat is q235a steel in American standards?What is q235a steel in American standards?Q235A and Q235B steel belong to carbon steel .In the national standard GB700-88,the material on Q235A and Q235B main distinction in terms of carbon steel,the carbon content of the material as a material Q235A between 0.14-0.22%; Q235B material impact do experiments,but often do impact test temperature,V-notch.Q195,Q215,Q235,Q255 and Q275 in the material What is Q195,Q215,Q235,Q255 and Q275 in the material What is Q235A and Q235B steel belong to carbon steel.In the national standard GB700-88,the material on Q235A and Q235B main distinction in terms of carbon steel,the carbon content of the material as a material Q235A between 0.14-0.22%; Q235B material impact do experiments,but often do impact test temperature,V-notch.

Overview of Q235 Steel Plate Specification

Q235 steel is equivalent to Japenese steel grade SS400 in application,the only difference is that ss400 steel requires only S,P composition q235a materiallt; 0.050,Q235 has requirements for More element C,Si,Mn,S,P.Yield strength of q235 is q235a materialgt;235Mpa,which is almost the same to SS400 245Mpa.Q represents the yield of this material,the latter 235,refers to the yield value of this material,at about 235MPA.Images of Q235A Material imagesQ235A Included in 3 standards (China)Q235A Included in 3 standards (China) Standards GB/T 3091 Welded steel pipe for low pressure liquid delively GB/T 3524 Hot-rolled cardon and low alloy structural steel strips GB/T 700 Carbon Structural Steels Chemical composition C q235a materiallt; 0.22 Si q235a materiallt; 0.35 Mn q235a materiallt; 1.4 P q235a materiallt; 0.045 S q235a materiallt; 0.05 Cr q235a materiallt; 0.3 Ni q235a materiallt; 0.3 Cu q235a materiallt; 0.3 N q235a materiallt; 0.008 As q235a materiallt; 0.08 Fe RestGB/T 700 Q235A Carbon Steel Precision Casting-GB/T 700 Q235A precision castings is widely used in auto,moto,railway and shipping construction machinery,mining machinery and engineering machinery industries.We can produce GB/T 700 Q235A precision castings according to your drawings.

GB/T 700 Q235A Carbon Steel Plate__Steel Supplier

Q235A Extra Service:Pretreatment (Shot Blasting,Sand Blast,Painting and Galvanized),Cutting Parts,Sample Service,Third Party inspection,UT Test and Size inspection.If you have any requirement in steel plate for Q235A,whether the new plate or stock list of material,please feel free toFile Size 19KBPage Count 2Datasheet for Steel Grades Structure Steel Q235Steel GradesQ235 Chemical information,Mechanical properties Physical properties,Mechanical properties,Heat treatment,and Micro structure This page is mainly introduced the Q235 Datasheet,including chemicalAcero Q235,Q235A Q235B Q235C Q235D - MaterialAcero Q235 Especificaciones y Propiedades.El acero Q235 es un acero estructural de carbono norma Chino,seg q235a material#250;n GB/T 700 2006,se divide en 4 grados de calidad Q235A,Q235B,Q235C y Q235D,la densidad del material es de 7.85 g/cm3,la resistencia a la tracci q235a material#243;n es de 370-500 MPa,el l q235a material#237;mite el q235a material#225;stico es de 235 MPa (los datos son para barra de acero o di q235a material#225;metro de placa de acero 16 mm).

Acero Q235,Q235A Q235B Q235C Q235D - Material Mundial

Acero Q235 Especificaciones Y PropiedadesCaracter q235a material#237;sticas Y AplicacionesFicha Tecnica Y EspecificacionesAcero Q235 EquivalenciasEl acero Q235 es un acero estructural de carbono norma Chino,seg q235a material#250;n GB/T 700 2006,se divide en 4 grados de calidad Q235A,Q235B,Q235C y Q235D,la densidad del material es de 7.85 g/cm3,la resistencia a la tracci q235a material#243;n es de 370-500 MPa,el l q235a material#237;mite el q235a material#225;stico es de 235 MPa (los datos son para barra de acero o di q235a material#225;metro de placa de acero 16 mm).See more on materialmundialSome results are removed in response to a notice of local law requirement.For more information,please see here.12345Nextq235a material,q235a material Suppliers andA wide variety of q235a material options are available to you,such as galvanized sheet.You can also choose from rohs q235a material There are 2,467 suppliers who sells q235a material on ,mainly located in Asia.The top countries of supplier is China,from which the percentage of q235a material supply is 100% respectively. results for this questionWhat is the specification of steel?What is the specification of steel?Specifications of steel.1. Steel is essentially a combination of iron and carbon . Carbon content of common grades ranges from a few hundredths to about one per cent. Steels also contain varying amounts of other elements,principally manganese,phosphorus,sulfur,and silicon,which are always present if only in trace amounts.Reference slideshare.net/prabhatchhirolya/specifications-of-steel#:~:text=Sp results for this questionWhat are materials of s235jr?What are materials of s235jr?EN 10025 S235JR material (1.0038 steel)is an European standard hot rolled non-alloy structural steel grade.It has good plasticity,toughness and weldability,certain strength and good cold bending properties.Reference worldsteelgrades/1-0038-steel-s235jr-material/ results for this questionFeedbackQ235 Steel Q235A Q235B Q235C Q235D - The WorldQ235 SteelFeatures and ApplicationsData Sheet and SpecificationQ235 Steel EquivalentQ235 steel is a plain carbon structural steel which is widely used in China,Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades Q235A,Q235B,Q235C and Q235D; Density of this steel is 7.85 g/cm3,tensile strength is 370-500 MPa; yield strength is 235 MPa (data are for steel bar or steel plate diameter 16mm).Since its mild steel,it is used directly without heat treatment.See more on theworldmaterialQ235A,Q235A PLATE,Q235A STEELQ235 carbon steel contains four different grades as Q235A,Q235B,Q235C and Q235D.The big difference among these four carbon steel grades is the impacting temperature. results for this questionWhat is q235 steel grade?What is q235 steel grade?Q235 steel is a carbon structural steel .It is equivalent to A3 and C3 steel in the old standard GB700-79 grade,and it is the grade of Russian TOCT.The Q in the steel number represents the yield strength.Usually,the steel is used directly without heat treatment.What is Q235 steel grade? - Quora

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