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Description

China GBT S31678 Stainless steel bars and S31678 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: S31678
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy S31678 GBT China Stainless steel bars
S30808
11Cr23Ni18
015Cr20Ni18Mo6CuN
S31252
022Cr25Ni22Mo2N
S31053
06Cr17Ni12Mo2
07Cr17Ni12Mo2
S31609
06Cr17Ni12Mo2Nb

Chemical composition(mass fraction)(wt.%) of the S31678

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) N(%) Cu(%)
0.08 1.0 2.0 0.045 0.03 16.0-18.0 10.0-14.0 2.0-3.0 0.1 1.1(10C)

Mechanical Properties of steel grade S31678

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)
338 (≥) 533 (≥) 44 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade S31678

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 - -     0.24 -  
598 137 - 24.3 241   -  
775 - 32 42.2   142 123

Heat Treatment of steel grade S31678

Heat treated : 1835°C - 1989°C

Technological Curves of steel grade S31678

Cross Reference Table (Equivalent Grade) of S31678

Grade Standard Country Application
S31678 GBT China Stainless steel bars

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