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S 355 NLH

EU EN S355NLH 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: S355NLH / S 355 NLH
Category Grade Standard Region/Area Standard Content
Metals S 355 NLH 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 NLH

Element Min Max Similar
V - 0.1200 -
Ti - 0.0300 -
Si - 0.5000 -
S - 0.0250 -
P - 0.0300 -
Ni - 0.5000 -
Nb - 0.0500 -
N - 0.0200 -
Mo - 0.1000 -
Mn 0.9000 1.6500 -
Cu - 0.3500 -
Cr - 0.3000 -
C - 0.1800 -
Al 0.0200 - -

Mechanical Properties of steel grade S 355 NLH

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)
668 (≥) 122 (≥) 43 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade S 355 NLH

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
41 - -     0.14 -  
623 351 - 23.3 143   -  
294 - 12 41.2   221 444

Heat Treatment of steel grade S 355 NLH

Heat treated : 1354°C - 1481°C

Technological Curves of steel grade S 355 NLH

Cross Reference Table (Equivalent Grade) of S 355 NLH

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