A 774 Grade TP 316L Stainless Steels to A 774/A 774M (2009)

A 774 Grade TP 316L - Specification & Application

  • A 774/A 774M (2009) - As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures

As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures

Chemical composition(wt.%) of A 774 Grade TP 316L grade: to A 774/A 774M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.035
Cr 16.0 18.0
Ni 10.0 14.0
Mo 2.00 3.00
N - 0.10

A 774 Grade TP 316L - Detail

As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures

Mechanical properties of grade A 774 Grade TP 316L A 774/A 774M (2009)

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)
479 (≥) 668 (≥) 24 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade A 774 Grade TP 316L A 774/A 774M (2009)

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
621 (≥) 963 (≥) 42 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
943 832 275

Equivalent Products

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