USA AMS SB-688, SB-688 N08367 Specialsteel Chromium-Nickel-Molybdenum-Iron (UNS N08366 and UNS N08367) Plate, Sheet, and Strip and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SB-688 N08367 | Austenite | AMS | USA | Chromium-Nickel-Molybdenum-Iron (UNS N08366 and UNS N08367) Plate, Sheet, and Strip | 
| C | Mn | Si | P | S | Cr | Ni | Mo | N | 
|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤2.00 | ≤1.00 | ≤0.04 | ≤0.03 | 20.00 -22.00 | 23.50 -25.50 | 6.00 -7.00 | 0.18 -0.25 | 
| 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) | 
|---|---|---|---|---|---|---|
| 472 (≥) | 891 (≥) | 13 | 32 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.13 | - | |||
| 187 | 344 | - | 21.3 | 212 | - | ||
| 863 | - | 13 | 22.2 | 331 | 422 | 
Heat treated : 1717°C - 1288°C
| SB-688 | Chromium-Nickel-Molybdenum-Iron (UNS N08366 and UNS N08367) Plate, Sheet, and Strip | SB-688.pdf | 
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