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France AFNOR NF S275NL 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: S275NL / S 275 NL
Category Grade Standard Region/Area Standard Content
Metals S 275 NL NF EN 10113-2 France 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 275 NL

Element Min Max Similar
V - 0.0700 -
Ti - 0.0600 -
Si - 0.4500 -
S - 0.0250 -
P - 0.0300 -
Ni - 0.3500 -
Nb - 0.0600 -
N - 0.0170 -
Mo - 0.1300 -
Mn 0.4500 1.6000 -
Cu - 0.6000 -
Cr - 0.3500 -
CEV - 0.4000 -
C - 0.1800 -
Al 0.0150 - -

Mechanical Properties of steel grade S 275 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)
859 (≥) 311 (≥) 43 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade S 275 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
42 - -     0.42 -  
835 779 - 12.3 413   -  
431 - 33 11.2   211 432

Heat Treatment of steel grade S 275 NL

Heat treated : 1971°C - 1813°C

Technological Curves of steel grade S 275 NL

Cross Reference Table (Equivalent Grade) of S 275 NL

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