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B.S. HR207 Details

B.S. HR207 Standard Download

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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)

Category Type Grade Designations
Grades Stainless Steels HR207 UK - B.S. , BS HR 207 (1973) - 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)
BS 2HR 207 (2009) - 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(wt.%) of HR207 grade: BS HR 207 (1973)

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
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)

Mechanical properties of grade HR207 BS HR 207 (1973)

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)
826 (≥) 563 (≥) 14 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical properties of grade HR207 BS HR 207 (1973)

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
894 (≥) 775 (≥) 42 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
547 985 154

HR207 - 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
HR207 B.S. UK
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)

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