UK B.S. BS HR 404 (1973), BS 2HR 404 (2011), HR404 Specialsteel Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | HR404 | B.S. | UK | Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) |
C | Si | Mn | P | S | Cr | Ni | Mo | Co | Ti | Fe | Al | Ag | Al+Ti | Cu | B | Bi | Pb |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.04 -0.08 | ≤0.40 | ≤0.60 | ≤ ≥ | ≤0.007 | 19.00 -21.00 | ≤remaining | 5.60 -6.10 | 19.00 -21.00 | 1.90 -2.40 | ≤0.70 | 0.30 -0.60 | ≤0.0005 | 2.40 -2.80 | ≤0.20 | ≤0.0050 | ≤0.0001 | ≤0.002 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
354 (≥) | 376 (≥) | 23 | 14 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.13 | - | |||
831 | 943 | - | 23.3 | 323 | - | ||
387 | - | 43 | 42.2 | 123 | 112 |
Heat treated : 1925°C - 1434°C
BS HR 404 (1973) | Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) | BS-HR-404-(1973).pdf |
BS 2HR 404 (2011) | Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5) | BS-2HR-404-(2011).pdf |
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