UK B.S. BS 2HR 501 (1973), BS 3HR 501 (2011), 2HR501 Specialsteel Specification for nickel-chromium-cobalt-titanium- aluminium heat-resisting alloy cold drawn wire for springs and springs (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 2HR501 | B.S. | UK | Specification for nickel-chromium-cobalt-titanium- aluminium heat-resisting alloy cold drawn wire for springs and springs (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) | 
| C | Si | Mn | P | S | Cr | Ni | Mo | Co | Ti | Fe | Al | Cu | Zr | B | Bi | Pb | Ag | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.13 | ≤1.00 | ≤1.00 | ≤ ≥ | ≤0.015 | 18.00 -21.00 | ≤remaining | ≤ ≥ | 15.00 -21.00 | 2.00 -3.00 | ≤1.50 | 1.00 -2.00 | ≤0.20 | ≤0.15 | ≤0.020 | ≤0.0001 | ≤0.002 | ≤0.0005 | 
| 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) | 
|---|---|---|---|---|---|---|
| 133 (≥) | 783 (≥) | 22 | 13 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.23 | - | |||
| 987 | 718 | - | 21.3 | 322 | - | ||
| 298 | - | 22 | 14.2 | 241 | 112 | 
Heat treated : 1732°C - 1889°C
| BS 2HR 501 (1973) | Specification for nickel-chromium-cobalt-titanium-aluminium heat-resisting alloy cold drawn wire for springs (nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) | BS-2HR-501-(1973).pdf | 
| BS 3HR 501 (2011) | Specification for nickel-chromium-cobalt-titanium- aluminium heat-resisting alloy cold drawn wire for springs and springs (Nickel base, Cr 19.5, Co 18.0, Ti 2.5, Al 1.5) | BS-3HR-501-(2011).pdf | 
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com