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Description

China GBT S31703 Stainless steel bars and S31703 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: S31703
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy S31703 GBT China Stainless steel bars
S31658
022Cr17Ni12Mo2N
S31653
06Cr18Ni12Mo2Cu2
S30508
022Cr18Ni14Mo2Cu2
S31683
06Cr19Ni13Mo3
S31708
022Cr19Ni13Mo3

Chemical composition(mass fraction)(wt.%) of the S31703

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.03 1.0 2.0 0.045 0.03 18.0-20.0 11.0-15.0 3.0-4.0

Mechanical Properties of steel grade S31703

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)
137 (≥) 798 (≥) 32 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade S31703

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
44 - -     0.14 -  
749 297 - 21.3 423   -  
981 - 13 32.2   414 344

Heat Treatment of steel grade S31703

Heat treated : 1628°C - 1339°C

Technological Curves of steel grade S31703

Cross Reference Table (Equivalent Grade) of S31703

Grade Standard Country Application
S31703 GBT China Stainless steel bars

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