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EU EN S355NH 热加工非合金和细晶粒钢的结构空心型材 - 第1部分:交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355NH / S 355 NH
Category Grade Standard Region/Area Standard Content
Metals S 355 NH EN 10210-1 EU 热加工非合金和细晶粒钢的结构空心型材 - 第1部分:交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 355 NH

Element Min Max Similar

Mechanical Properties of steel grade S 355 NH

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)
988 (≥) 734 (≥) 21 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade S 355 NH

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
21 - -     0.43 -  
733 856 - 22.3 423   -  
521 - 11 33.2   243 123

Heat Treatment of steel grade S 355 NH

Heat treated : 1671°C - 1792°C

Technological Curves of steel grade S 355 NH

Cross Reference Table (Equivalent Grade) of S 355 NH

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