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AMS SA-312 N08904 Details

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SA-312 N08904 Application:Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Category Type Grade Microstructure Designations
Grades Stainless Steels SA-312 N08904 Austenite USA - AMS , SA-312/SA-312M - Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Chemical composition(wt.%) of SA-312 N08904 grade: SA-312/SA-312M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Mn - 2.00
Si - 1.00
P - 0.045
S - 0.035
Cr 19.00 23.00
Ni 23.00 28.00
Mo 4.00 5.00
Cu 1.00 2.00

Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Mechanical properties of grade SA-312 N08904 SA-312/SA-312M

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)
288 (≥) 197 (≥) 22 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical properties of grade SA-312 N08904 SA-312/SA-312M

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
227 (≥) 885 (≥) 43 43 32 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
266 671 525

SA-312 N08904 - 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
A 213 N08904 SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 N08904 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 N08904 SAE USA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 269 N08904 SAE USA
Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A 276 N08904 SAE USA
Stainless Steel Bars and Shapes
A 312 N08904 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 358 N08904 SAE USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
B 649 N08904 SAE USA
Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire
N08904 AISI USA
Nickel Chromium Molybdenum Alloy
SA-240 N08904 AMS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-249 N08904 AMS USA
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
SA-312 N08904 AMS USA
Specification for Seamless and Welded Austenitic Stainless Steel Pipes
SA-358 N08904 AMS USA
Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
SB-625 N08904 AMS USA
UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip
SB-649 N08904 AMS USA
Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire
SB-673 N08904 AMS USA
Specification for UNS N08904, UNS N08925 and N08926 Welded Pipe
SB-674 N08904 AMS USA
Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube
SB-677 N08904 AMS USA
UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube
X1NiCrMoCu25-20-5, 1.4539, AISI 904L, N08904 EN European
X1NiCrMoCu25-20-5,1.4539,AISI 904L,N08904 steel is used for the production of systems and equipment for the desalination of water, equipment and machinery in the food, cryogenic and pharmaceutical industries, the production of scrubbers in coal-fired powe

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