Germany AWS SEW 400, DIN 17442 (1977), 1.4120 Specialsteel Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 1.4120 | AWS | Germany | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments | 
| C | Si | Mn | P | S | Cr | Mo | Ni | 
|---|---|---|---|---|---|---|---|
| 0.17 -0.22 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.015 | 12.0 -14.0 | 0.90 -1.30 | ≤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) | 
|---|---|---|---|---|---|---|
| 362 (≥) | 277 (≥) | 11 | 21 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.11 | - | |||
| 557 | 355 | - | 11.3 | 411 | - | ||
| 888 | - | 24 | 31.2 | 343 | 141 | 
Heat treated : 1167°C - 1227°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| X20CrMo13 | |||
| G-X20CrMo13 | |||
| X20CrMo13 | |||
| X20CrMo13 | 
| SEW 400 | Stainless steels for rolled and forged products | SEW-400.pdf | 
| DIN 17442 (1977) | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments | DIN-17442-(1977).pdf | 
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