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EU EN S355NL 可焊接细晶粒结构钢热轧产品 - 第2部分:正火轧制钢的交货条件。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355NL / S 355 NL
Category Grade Standard Region/Area Standard Content
Metals S 355 NL EN 10113-2 EU 可焊接细晶粒结构钢热轧产品 - 第2部分:正火轧制钢的交货条件。

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

Element Min Max Similar
V - 0.1400 -
Ti - 0.0600 -
Si - 0.5500 -
S - 0.0250 -
P - 0.0300 -
Ni - 0.5500 -
Nb - 0.0600 -
N - 0.0170 -
Mo - 0.1300 -
Mn 0.8500 1.7500 -
Cu - 0.6000 -
Cr - 0.3500 -
C - 0.2000 -
Al 0.0150 - -
V - 0.1200 -
Ti - 0.0300 -
Si - 0.5000 -
S - 0.0250 -
P - 0.0300 -
Ni - 0.5000 -
Nb - 0.0500 -
N - 0.0150 -
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 NL

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)
951 (≥) 924 (≥) 14 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade S 355 NL

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
14 - -     0.32 -  
868 598 - 34.3 321   -  
446 - 24 43.2   234 222

Heat Treatment of steel grade S 355 NL

Heat treated : 1959°C - 1886°C

Technological Curves of steel grade S 355 NL

Cross Reference Table (Equivalent Grade) of S 355 NL

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