A 943 TP309H Stainless Steels to A 943/A 943M (2009)

A 943 TP309H - Specification & Application

  • A 943/A 943M (2009) - Spray-Formed Seamless Austenitic Stainless Steel Pipes

Spray-Formed Seamless Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of A 943 TP309H grade: to A 943/A 943M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 0.75
Mn - 2.00
P - 0.045
S - 0.030
Cr 22.0 24.0
Ni 12.0 15.0

A 943 TP309H - Detail

Spray-Formed Seamless Austenitic Stainless Steel Pipes

Mechanical properties of grade A 943 TP309H A 943/A 943M (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)
943 (≥) 256 (≥) 23 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade A 943 TP309H A 943/A 943M (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
973 (≥) 757 (≥) 24 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
493 674 779

Equivalent Products

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