Grades | Stainless Steels | B 649 N08904

SAE B 649 N08904 ( Austenite )

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B 649 N08904 Application:Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire

Chemical composition(mass fraction)(wt.%) of the B 649 N08904
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

Mechanical properties of grade B 649 N08904

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
266 (≥) 799 (≥) 43 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical properties of grade B 649 N08904

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
243 (≥) 325 (≥) 22 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
599 495 218 - - -

B 649 N08904 Range of products
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