A 312 S30815 Stainless Steels to A 312/A 312M (2012)

A 312 S30815 - Specification & Application

  • A 312/A 312M (2012) - Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of A 312 S30815 grade: to A 312/A 312M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05 0.10
Si 1.40 2.00
Mn - 0.80
P - 0.04
S - 0.03
Cr 20.0 22.0
Ni 10.00 12.0
N 0.14 0.20
Ce 0.03 0.08

A 312 S30815 - Detail

Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Mechanical properties of grade A 312 S30815 A 312/A 312M (2012)

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)
536 (≥) 321 (≥) 22 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical properties of grade A 312 S30815 A 312/A 312M (2012)

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
793 (≥) 276 (≥) 34 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
183 998 246

Equivalent Products

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