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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | NF A 32-055 | Foundry products. Weldable cast steels for pressure vessels |
| 2 | NF A 32-060 | Foundry products - Cast steel and nickel alloy castings for pumps, valves and fittings (enclosures and internal components) |
| 3 | NF A 32-056 | Foundry products. Austenitic and austeno-ferritic stainless cast steel |
| Material | Standard | Country |
| Z6CNNb18-10 | AFNOR | France |
| TUZ6CNNb18-10 | AFNOR | France |
| Z6CNNb18-10F | AFNOR | France |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.060 | |||
| Si | 0.75 | |||
| Mn | 2.00 | |||
| P | 0.040 | |||
| S | 0.015 | |||
| Cr | 17.00 | 19.00 | ||
| Mo | ||||
| Ni | 9.00 | 11.00 | ||
| N | 0.050 | |||
| Nb | 10×C | 1.00 |
| Tensile strength | 544～477 | σb/MPa |
| Yield Strength | 624 | σ 0.2 ≥/MPa |
| Elongation | 31 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 284～766 | - |
| HRC | 30 | - |
| Thermal expansion | 40-31 | e-6/K |
| Thermal conductivity | 60-85 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 9203-4629 | 째C |
| Density | 4159-7039 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| Z6CNNb18-10M Stainless Steels | 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 |