Grades | Stainless Steels | HR207

B.S. HR207

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HR207 Application:Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy plate, sheet and strip (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder)

Chemical composition(mass fraction)(wt.%) of the HR207
Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.08
Si - 0.50
Mn - 0.20
P - -
S - 0.015
Cr 15.50 17.50
Ni 42.00 45.00
Mo 2.80 3.80
Co - 2.00
Ti 1.10 1.30
Fe - remaining
Al 1.10 1.30
Cu - 0.50
Zr 0.02 0.04
B - 0.0050
Bi - 0.0001
Pb - 0.0015
Ag - 0.0005

Mechanical properties of grade HR207

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
195 (≥) 882 (≥) 32 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical properties of grade HR207

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
925 (≥) 991 (≥) 24 31 32 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
- - -
571 431 594 - - -

HR207 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