A 959 S40945 Stainless Steels to A 959 (2011)

A 959 S40945 - Specification & Application

  • A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(wt.%) of A 959 S40945 grade: to A 959 (2011)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Mn - 1.00
Si - 1.00
P - 0.04
S - 0.03
Cr 10.50 11.70
Ni - 0.50
Mo - -
Nb 0.18 0.40
Ti 0.05 0.20
N - 0.03

A 959 S40945 - Detail

Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Mechanical properties of grade A 959 S40945 A 959 (2011)

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)
667 (≥) 423 (≥) 42 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical properties of grade A 959 S40945 A 959 (2011)

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
832 (≥) 146 (≥) 32 34 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
174 482 343

Equivalent Products

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