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China NB S30408 承压设备用不锈钢和耐热钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S30408 / S30408
Category Grade Standard Region/Area Standard Content
Metals S30408 NB/T 47010 China 承压设备用不锈钢和耐热钢锻件

Chemical composition(mass fraction)(wt.%) of the S30408

Element Min Max Similar
S - 0.0200 -
P - 0.0350 -
Ni 8.0000 10.5000 -
Cr 18.0000 20.0000 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.0800 -

Mechanical Properties of steel grade S30408

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)
952 (≥) 379 (≥) 23 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade S30408

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 - -     0.14 -  
457 723 - 31.3 321   -  
714 - 12 32.2   123 432

Heat Treatment of steel grade S30408

Heat treated : 1631°C - 1999°C

Technological Curves of steel grade S30408

Cross Reference Table (Equivalent Grade) of S30408

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