A 943 TP309HCb Stainless Steels to A 943/A 943M (2009)

A 943 TP309HCb - 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 TP309HCb grade: to A 943/A 943M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.10
Si - 0.75
Mn - 2.00
P - 0.045
S - 0.03
Cr 22.0 24.0
Ni 12.0 16.0
Nb - 1.100

A 943 TP309HCb - Detail

Spray-Formed Seamless Austenitic Stainless Steel Pipes

Mechanical properties of grade A 943 TP309HCb 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)
177 (≥) 755 (≥) 43 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade A 943 TP309HCb 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
365 (≥) 783 (≥) 13 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
798 142 799
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