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A312 Type XM-19

America ASTM A312TypeXM-19 无缝和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A312TypeXM-19 / A312 Type XM-19
Category Grade Standard Region/Area Standard Content
Metals A312 Type XM-19 ASTM A312/A312M America 无缝和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A312 Type XM-19

Element Min Max Similar
V 0.1000 0.3000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 11.5000 13.5000 -
Nb 0.1000 0.3000 -
N 0.2000 0.4000 -
Mo 1.5000 3.0000 -
Mn 4.0000 6.0000 -
Cr 20.5000 23.5000 -
C - 0.0600 -

Mechanical Properties of steel grade A312 Type XM-19

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)
654 (≥) 894 (≥) 34 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade A312 Type XM-19

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 - -     0.41 -  
552 331 - 21.3 422   -  
296 - 44 41.2   223 343

Heat Treatment of steel grade A312 Type XM-19

Heat treated : 1522°C - 1687°C

Technological Curves of steel grade A312 Type XM-19

Cross Reference Table (Equivalent Grade) of A312 Type XM-19

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