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France AFNOR NF S355JR 非合金结构钢热轧产品交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355JR / S355JR
Category Grade Standard Region/Area Standard Content
Metals S355JR NF EN 10025 France 非合金结构钢热轧产品交货技术条件

Chemical composition(mass fraction)(wt.%) of the S355JR

Element Min Max Similar
Si - 0.6000 -
S - 0.0450 -
P - 0.0450 -
N - 0.0140 -
Mn - 1.7000 -
Cu - 0.6000 -
CEV - 0.4500 -
C - 0.2700 -
Si - 0.6000 -
S - 0.0550 -
P - 0.0550 -
N - 0.0110 -
Mn - 1.7000 -
C - 0.2700 -
Al - - -

Mechanical Properties of steel grade S355JR

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)
474 (≥) 982 (≥) 22 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade S355JR

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 - -     0.22 -  
729 436 - 31.3 231   -  
342 - 34 14.2   411 432

Heat Treatment of steel grade S355JR

Heat treated : 1529°C - 1881°C

Technological Curves of steel grade S355JR

Cross Reference Table (Equivalent Grade) of S355JR

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