USA SAE F 899 (2012) , F 899 Type XM-7 Specialsteel Standard Specification for Wrought Stainless Steels for Surgical Instruments and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | F 899 Type XM-7 | Austenite | SAE | USA | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
C | Si | Mn | P | S | Cr | Ni | Cu |
---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17.0 -19.0 | 8.00 -10.0 | 3.00 -4.00 |
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) |
---|---|---|---|---|---|---|
184 (≥) | 774 (≥) | 43 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.22 | - | |||
292 | 227 | - | 13.3 | 213 | - | ||
435 | - | 22 | 41.2 | 112 | 443 |
Heat treated : 1542°C - 1246°C
F 899 (2012) | Standard Specification for Wrought Stainless Steels for Surgical Instruments | F-899--(2012)-.pdf |
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