A 312 S33228 Stainless Steels to A 312/A 312M (2012)

A 312 S33228 - 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 S33228 grade: to A 312/A 312M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.08
Mn - 1.00
Si - 0.30
P - 0.02
S - 0.015
Cr 26.0 28.0
Ni 31.0 33.0
Ce 0.05 0.10
Nb 0.10 1.00
Al - 0.025

A 312 S33228 - Detail

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

Mechanical properties of grade A 312 S33228 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)
745 (≥) 747 (≥) 42 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical properties of grade A 312 S33228 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
114 (≥) 583 (≥) 14 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
554 951 919

Equivalent Products

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