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SAE A 240 S31266 Details

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A 240 S31266 Application:ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel

Category Type Grade Microstructure Designations
Grades Stainless Steels A 240 S31266 Austenite USA - SAE , ASTM A 240/A 240M - Cr and Cr-Ni stainless steel plate, sheet, and strip for pressure vessels and for general

Chemical composition(wt.%) of A 240 S31266 grade: ASTM A 240/A 240M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn 2.00 4.00
P - 0.035
S - 0.02
Cr 23.0 25.0
Ni 21.0 24.0
Mo 5.00 7.00
Cu 0.50 3.00
N 0.35 0.60
W 1.00 3.00
Stainless and heat resisting steels

Cr and Cr-Ni stainless steel plate, sheet, and strip for pressure vessels and for general

A 240 S31266 S31266

Mechanical properties of grade A 240 S31266 ASTM A 240/A 240M

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)
113 (≥) 796 (≥) 41 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical properties of grade A 240 S31266 ASTM A 240/A 240M

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
812 (≥) 666 (≥) 32 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
532 678 266

A 240 S31266 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
S31266 AISI USA
ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel
A 240 S31266 SAE USA
ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel
A 358 S31266 SAE USA
Electric fusion welded austenitic chromium-nickel alloy steel pipe
A 959 S31266 SAE USA
Specifying harmonized standard grade compositions for wrought stainless steels

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