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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 2 | DIN 17440 (1996) | Stainless steels - Technical delivery conditions for drawn wire |
| 3 | DIN 17441 (1985) | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
| 4 | DIN 17442 (1977) | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments |
| 5 | DIN EN 10088-3 | Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
| 6 | DIN EN 10088-4 | Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes |
| 7 | DIN EN 10088-5 | Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes |
| 9 | DIN EN 10088-1 | Stainless steels - Part 1: List of stainless steels |
| 8 | DIN EN 10088-2 | Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 9 | DIN EN 10250-4 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 10 | DIN 17224 | Materials for rail vehicles - Steels - Part 3: Stainless steel flat products; Selected standard |
| 11 | DIN EN 10151 | Stainless steel strip for springs - Technical delivery conditions |
| Material | Standard | Country |
| 1.4021 | AWS | Germany |
| X20Cr13 | B.S. | UK |
| 1.4021 | B.S. | UK |
| X20Cr13 | AFNOR | France |
| 1.4021 | AFNOR | France |
| X20Cr13 | ISO | International |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | 0.040 | |||
| S | 0.015 | |||
| Cr | 16.0 | 18.0 |
| Tensile strength | 829～729 | σb/MPa |
| Yield Strength | 611 | σ 0.2 ≥/MPa |
| Elongation | 40 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 672～677 | - |
| HRC | 30 | - |
| Thermal expansion | 54-70 | e-6/K |
| Thermal conductivity | 29-93 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 1809-3858 | 째C |
| Density | 7251-2779 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| X20Cr13 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 |