Location » Home » Grades > Stainless Steels > A 312 S31050

SAE A 312 S31050 Details

A 312 S31050 Application:Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Category Type Grade Microstructure Designations
Grades Stainless Steels A 312 S31050 Austenite USA - SAE , A 312/A 312M (2012) - Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of A 312 S31050 grade: A 312/A 312M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 0.50
Mn - 2.00
P - 0.03
S - 0.01
Cr 24.00 26.00
Ni 21.0 23.0
N 0.10 0.16
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Mechanical properties of grade A 312 S31050 A 312/A 312M (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)
247 (≥) 896 (≥) 42 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical properties of grade A 312 S31050 A 312/A 312M (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
653 (≥) 674 (≥) 12 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
431 613 562

A 312 S31050 - 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
310MoLN UNS USA
Chemical compositions of SAE wrought stainless steels
A 182 F 310MoLN SAE USA
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A 213 TP310MoLN SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 Type 310MoLN SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 959 Type 310MoLN SAE USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SA-182 F 310MoLN AMS USA
Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
SA-213 TP310MoLN AMS USA
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 Type 310MoLN AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 240 S31050 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S31050 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 312 S31050 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 943 S31050 SAE USA
Spray-Formed Seamless Austenitic Stainless Steel Pipes
S31050 AISI USA
Spray-Formed Seamless Austenitic Stainless Steel Pipes
SA-213 S31050 AMS USA
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 S31050 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-249 S31050 AMS USA
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
SA-312 S31050 AMS USA
Specification for Seamless and Welded Austenitic Stainless Steel Pipes
X1CrNiMoN25-22-2,1.4466,1.4465,X1CrNiMoN25-25-2,AISI 310MoLN,UNS S31050 EN European
used in the paper, nitrogen, pharmaceutical, petrochemical and cellulose industries.

Enquiry