A 705 XM-12 Stainless Steels to A 705/A 705M (2009)

A 705 XM-12 - Specification & Application

  • A 705/A 705M (2009) - Age-Hardening Stainless Steel Forgings

Age-Hardening Stainless Steel Forgings

Chemical composition(wt.%) of A 705 XM-12 grade: to A 705/A 705M (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Mn - 1.00
Si - 1.00
P - 0.04
S - 0.03
Cr 14.00 15.50
Ni 3.50 5.50
Mo - -
Cu 2.50 4.50
Nb 0.15 0.45

A 705 XM-12 - Detail

Age-Hardening Stainless Steel Forgings

Mechanical properties of grade A 705 XM-12 A 705/A 705M (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)
834 (≥) 459 (≥) 43 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade A 705 XM-12 A 705/A 705M (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
983 (≥) 569 (≥) 21 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
145 797 643

Equivalent Products

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