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SA-312 S31725

Description

USA AMS SA-312/SA-312M, SA-312 S31725 Specialsteel Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-312 S31725
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-312 S31725 Austenite AMS USA Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 S31725

C Mn Si P S Cr Ni Mo N
≤0.03 ≤2.00 ≤1.00 ≤0.045 ≤0.03 18.00 -20.00 13.50 -17.50 4.00 -5.00 ≤0.10

Mechanical Properties of steel grade SA-312 S31725

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)
764 (≥) 366 (≥) 44 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade SA-312 S31725

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
33 - -     0.32 -  
839 219 - 41.3 314   -  
695 - 32 34.2   342 144

Heat Treatment of steel grade SA-312 S31725

Heat treated : 1712°C - 1765°C

Technological Curves of steel grade SA-312 S31725

Cross Reference Table (Equivalent Grade) of SA-312 S31725

Grade Standard Country Application
S31725
S31725
S31725
S31725
S31725
S31725
S31725

Relevant standard of SA-312 S31725

SA-312/SA-312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes SA-312-SA-312M.pdf

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