UK B.S. BS 2T 66, 2T.66 Specialsteel Specification for 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 550 MPa) (weldable) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 2T.66 | B.S. | UK | Specification for 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 550 MPa) (weldable) |
C | Si | Mn | P | S | Cr | Ni | Mo | Nb |
---|---|---|---|---|---|---|---|---|
≤0.08 | 0.20 -1.00 | 0.50 -2.00 | ≤0.035 | ≤0.025 | 17.00 -19.00 | 9.00 -12.00 | ≤ ≥ | 10×C -1.00 |
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) |
---|---|---|---|---|---|---|
745 (≥) | 243 (≥) | 42 | 14 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.21 | - | |||
847 | 669 | - | 43.3 | 223 | - | ||
113 | - | 33 | 24.2 | 133 | 422 |
Heat treated : 1834°C - 1313°C
BS 2T 66 | Specification for 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 550 MPa) (weldable) | BS-2T-66.pdf |
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