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SA-312 TP309HCb

Description

USA AMS SA-312/SA-312M, SA-312 TP309HCb 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 TP309HCb
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-312 TP309HCb Austenite AMS USA Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 TP309HCb

C Si Mn P S Cr Ni Nb
0.04 -0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.03 22.0 -24.0 12.0 -16.0 ≤1.100

Mechanical Properties of steel grade SA-312 TP309HCb

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)
435 (≥) 642 (≥) 44 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SA-312 TP309HCb

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 - -     0.13 -  
636 469 - 12.3 414   -  
267 - 42 13.2   131 122

Heat Treatment of steel grade SA-312 TP309HCb

Heat treated : 1277°C - 1543°C

Technological Curves of steel grade SA-312 TP309HCb

Cross Reference Table (Equivalent Grade) of SA-312 TP309HCb

Relevant standard of SA-312 TP309HCb

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

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