USA AISI S21800 Specialsteel Austenitic Chromium Nickel Manganese Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | S21800 | Austenite | AISI | USA | Austenitic Chromium Nickel Manganese Stainless Steel | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| ≤0.10 | 3.50 -4.50 | 7.00 -9.00 | ≤0.04 | ≤0.03 | 16.0 -18.0 | 8.00 -9.00 | 0.08 -0.18 | 
| 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) | 
|---|---|---|---|---|---|---|
| 823 (≥) | 295 (≥) | 44 | 12 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.42 | - | |||
| 676 | 566 | - | 34.3 | 311 | - | ||
| 784 | - | 14 | 43.2 | 112 | 141 | 
Heat treated : 1766°C - 1541°C
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