A 240 Type 317LMN Stainless Steels to A 240/A 240M (2013)

A 240 Type 317LMN - Specification & Application

  • A 240/A 240M (2013) - 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 317LMN grade: to A 240/A 240M (2013)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.30
Si - 0.70
Mn - 2.00
P - 0.045
S - 0.03
Ni 13.00 27.00
Cr 18.00 20.00
Al - -
Cu - 0.75
Ti - -
Fe - -
N - 0.10
Mo 4.00 5.00
V - 0.08

A 240 Type 317LMN - Detail

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

Mechanical properties of grade A 240 Type 317LMN A 240/A 240M (2013)

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)
887 (≥) 494 (≥) 14 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade A 240 Type 317LMN A 240/A 240M (2013)

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
799 (≥) 451 (≥) 14 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
677 491 789

Equivalent Products

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