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SA-312 Grade TP XM-11

America ASME SA-312GradeTPXM-11 Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals SA-312 Grade TP XM-11 ASME SA-312/SA-312M America Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the SA-312 Grade TP XM-11

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 5.5000 7.5000 -
N 0.1500 0.4000 -
Mn 8.0000 10.0000 -
Cr 19.0000 21.5000 -
C - 0.0400 -

Mechanical Properties of steel grade SA-312 Grade TP XM-11

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)
829 (≥) 924 (≥) 33 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SA-312 Grade TP XM-11

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
14 - -     0.41 -  
125 578 - 23.3 434   -  
272 - 14 34.2   414 141

Heat Treatment of steel grade SA-312 Grade TP XM-11

Heat treated : 1714°C - 1873°C

Technological Curves of steel grade SA-312 Grade TP XM-11

Cross Reference Table (Equivalent Grade) of SA-312 Grade TP XM-11

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