A 240 Type XM-11 Stainless Steels to A 240/A 240M (2012)

A 240 Type XM-11 - Specification & Application

  • A 240/A 240M (2012) - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Chemical composition(wt.%) of A 240 Type XM-11 grade: to A 240/A 240M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.04
Si - 1.00
Mn 8.00 10.0
P - 0.06
S - 0.03
Cr 19.0 21.5
Ni 5.50 7.50
N 0.15 0.40

A 240 Type XM-11 - Detail

A 240 Type XM-11

Mechanical properties of grade A 240 Type XM-11 A 240/A 240M (2012)

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)
423 (≥) 378 (≥) 42 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade A 240 Type XM-11 A 240/A 240M (2012)

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
663 (≥) 631 (≥) 12 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
266 521 215

Equivalent Products

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