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SA-312 Grade TP 304N

Description

USA AMS SA-312/SA-312M , SA-312 Grade TP 304N 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 Grade TP 304N
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-312 Grade TP 304N Austenite AMS USA Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 Grade TP 304N

C Si Mn P S Cr Ni N
≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -10.5 0.10 -0.16

Mechanical Properties of steel grade SA-312 Grade TP 304N

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)
964 (≥) 556 (≥) 43 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SA-312 Grade TP 304N

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
24 - -     0.34 -  
729 841 - 44.3 444   -  
966 - 42 11.2   142 212

Heat Treatment of steel grade SA-312 Grade TP 304N

Heat treated : 1447°C - 1984°C

Technological Curves of steel grade SA-312 Grade TP 304N

Cross Reference Table (Equivalent Grade) of SA-312 Grade TP 304N

Relevant standard of SA-312 Grade TP 304N

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

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