A 240 S42900 Stainless Steels to A 240/A 240M (2012)

A 240 S42900 - 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 S42900 grade: to A 240/A 240M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Mn - 1.00
Si - 1.00
P - 0.04
S - 0.03
Cr 14.00 16.00
Ni - -
Mo - 0.75

A 240 S42900 - Detail

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

Mechanical properties of grade A 240 S42900 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)
146 (≥) 578 (≥) 13 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade A 240 S42900 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
597 (≥) 954 (≥) 42 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
764 312 191

Equivalent Products

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