SA-789 S31260 Stainless Steels to SA-789/SA-789M

SA-789 S31260 - Specification & Application

  • SA-789/SA-789M - Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Chemical composition(wt.%) of SA-789 S31260 grade: to SA-789/SA-789M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 1.00
Si - 0.75
P - 0.03
S - 0.03
Cr 24.00 26.00
Ni 5.50 7.50
Mo 2.50 3.50
N 0.10 0.30
Cu 0.20 0.80
W 0.10 0.50

SA-789 S31260 - Detail

Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Mechanical properties of grade SA-789 S31260 SA-789/SA-789M

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)
164 (≥) 831 (≥) 11 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical properties of grade SA-789 S31260 SA-789/SA-789M

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
822 (≥) 864 (≥) 24 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
977 427 776

Equivalent Products

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