Q235B钢材性能表

Q235

The Grad and Chemical Composition of Carbon Construction Steel

G rade: Q235

Quality Grade: B

Chemical composition Quality Score %|C: 0.12～0.20

Chemical composition Quality Score %|Mn: 0.30～0.70①

Chemical composition Quality Score %|Si②≤: 0.30

Chemical composition Quality Score %|S≤: 0.045

Chemical composition Quality Score %|P≤: 0.045

method of deoxidation: F、b、Z

The Mechanical Property of Carbon Construction Steel

Grade: Q235

Quality Grade: B

Tensile testing |Yield Point σ s/MPa≥| Steel Thickness or Diameter/mm|≤16: 235 Tensile testing |Yield Point σ s/MPa≥| Steel Thickness or Diameter/mm |＞16～40: 225

Tensile testing |Yield Point σ s/MPa，≥| Steel Thickness or Diameter/mm |＞40～60: 215

Tensile testing |Yield Point σ s/MPa，≥| Steel Thickness or Diameter/mm |＞60～100: 205

Tensile testing |Yield Point σ s/MPa，≥| Steel Thickness or Diameter/mm |＞100～150: 195

Tensile testing |Yield Point σ s/MPa，≥| Steel Thickness or Diameter/mm |＞150: 185 Tensile testing | Tensile Strengthσb/MPa: 375～500

Tensile testing | Elongationδ5(%)，≥| Steel Thickness or Diameter/mm |≤16: 26 Tensile testing | Elongationδ5(%)，≥| Steel Thickness or Diameter/mm |＞16～40: 25 Tensile testing |Elongationδ5(%)，≥| Steel Thickness or Diameter/mm |＞40～60: 24 Tensile testing |Elongationδ5(%)，≥| Steel Thickness or Diameter/mm |＞60～100: 23

Tensile testing |Elongationδ5(%)，≥| Steel Thickness or Diameter/mm m|＞100～150: 22

Tensile testing |Elongationδ5(%)，≥| Steel Thickness or Diameter/mm |＞150: 21

AKV |temperature/℃: 20

AKV |V-shaped(longitudinal) AKV AK/J，≥: 27

Bend Testing，B=2a，180°| Steel Thickness or Diameter/mm |≤60|flexural core diameter

d/mm: longitudinal : a，horizontal: 1.5a

Bend Testing，B=2a，180°| Steel Thickness or Diameter/mm m|＞60～100| flexural core diameter d/mm: longitudinal : 2a，horizontal:2.5a

Bend Testing，B=2a，180°| Steel Thickness or Diameter/mm |＞100～200| flexural core diameter d/mm : longitudinal : 2.5a，horizontal: 3a