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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)
222 (≥) 948 (≥) 42 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

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
13 - -     0.41 -  
639 754 - 42.3 113   -  
498 - 31 43.2   312 113

Heat Treatment of steel grade SA-312 TP309HCb

Heat treated : 1333°C - 1423°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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