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45SCD6 Air 9160C wrought steels used in aeronautical constructions
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | AIR 9160 C | wrought steels used in aeronautical constructions |
| 2 | EN 10089 | Hot rolled steels for quenched and tempered springs |
| 3 | AF NF A35-571 | SPECIAL STRUCTURAL STEELS SUITABLE FOR THE MANUFACTURE OF SUSPENSION COMPONENTS |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.42 | 0.50 | ||
| Si | 1.30 | 1.70 | ||
| Mn | 0.50 | 0.80 | ||
| P | 0.025 | |||
| S | 0.020 | |||
| Cr | 0.50 | 0.70 | ||
| Mo | 0.15 | 0.35 |
| Tensile strength | 337～770 | σb/MPa |
| Yield Strength | 306 | σ 0.2 ≥/MPa |
| Elongation | 69 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 300～837 | - |
| HRC | 30 | - |
| Thermal expansion | 73-25 | e-6/K |
| Thermal conductivity | 04-31 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 9133-8788 | 째C |
| Density | 6341-9315 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 45SCD6, 46SiCrMo6, 1.8062 Aviation and Aero Steel | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |