SA-312 Grade TP XM-11 Stainless Steels to SA-312/SA-312M

SA-312 Grade TP XM-11 - Specification & Application

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

Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of SA-312 Grade TP XM-11 grade: to SA-312/SA-312M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn 8.00 10.0
P - 0.06
S - 0.03
Cr 19.0 21.5
Ni 5.50 7.50
N 0.15 0.40

SA-312 Grade TP XM-11 - Detail

SA-312 Grade TP XM-11

Mechanical properties of grade SA-312 Grade TP XM-11 SA-312/SA-312M

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
122 (≥) 688 (≥) 34 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade SA-312 Grade TP XM-11 SA-312/SA-312M

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
968 (≥) 392 (≥) 33 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
759 332 152

Equivalent Products

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