Standard Specification for Wrought Stainless Steels for Surgical Instruments
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.10 | ||
| Mn | 7.00 | 9.00 | ||
| Si | 3.50 | 4.50 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 16.00 | 18.00 | ||
| Ni | 8.00 | 9.00 | ||
| Mo | - | - | ||
| N | 0.08 | 0.18 |
Standard Specification for Wrought Stainless Steels for Surgical Instruments
| 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) |
|---|---|---|---|---|---|---|
| 323 (≥) | 921 (≥) | 42 | 44 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
| 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 |
|---|---|---|---|---|---|---|---|
| 447 (≥) | 486 (≥) | 24 | 31 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 235 | 515 | 964 |
We can customize the production of F 899 S21800 grade, contact us for the best solution.
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