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EU EN S275MH 冷成型焊接结构空心型材的非合金和细晶粒钢 - 第1部分:交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S275MH / S 275 MH
Category Grade Standard Region/Area Standard Content
Metals S 275 MH EN 10219-1 EU 冷成型焊接结构空心型材的非合金和细晶粒钢 - 第1部分:交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 275 MH

Element Min Max Similar

Mechanical Properties of steel grade S 275 MH

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
491 (≥) 297 (≥) 22 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade S 275 MH

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.43 -  
323 368 - 31.3 431   -  
865 - 32 23.2   442 434

Heat Treatment of steel grade S 275 MH

Heat treated : 1829°C - 1179°C

Technological Curves of steel grade S 275 MH

Cross Reference Table (Equivalent Grade) of S 275 MH

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