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| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | X20Cr13 | Germany - AWS , DIN 17440 (1996) - Stainless steels - Technical delivery conditions for drawn wire 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 DIN 17442 (1977) - Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments 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 DIN EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes 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 DIN EN 10088-1 - Stainless steels - Part 1: List of stainless steels DIN EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes DIN EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels DIN 17224 - Materials for rail vehicles - Steels - Part 3: Stainless steel flat products; Selected standard DIN EN 10151 - Stainless steel strip for springs - Technical delivery conditions |
| 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 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 684 (≥) | 292 (≥) | 23 | 13 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 278 (≥) | 127 (≥) | 21 | 43 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 489 | 561 | 685 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| X20Cr13 | AWS | Germany | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
| 1.4021 | AWS | Germany | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
| X20Cr13 | B.S. | UK | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 1.4021 | B.S. | UK | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| X20Cr13 | AFNOR | France | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 1.4021 | AFNOR | France | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| X20Cr13 | ISO | International | Stainless steels - Chemical composition |