GBT 20Cr Enquiry | Print this page
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40MnB
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15Cr
15CrA - GBT
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- China structural steel and alloy steel
Chemical composition % of the ladle analysis of grade 20Cr
| C(％) | Si(％) | Mn(％) | Cr(％) |
| 0.18-0.24 | 0.17-0.37 | 0.50-0.80 | 0.70-1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 128 (≥) | 431 (≥) | 14 | 23 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
| 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 |
|---|---|---|---|---|---|---|---|
| 324 (≥) | 763 (≥) | 14 | 24 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 276 | 242 | 959 |
| 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 | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
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| 1.4021 | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
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| X20CrMo13 | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments |
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| 1.4120 | Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments |
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| X20Cr13 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
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| 1.4021 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
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| X20Cr13 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
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| 1.4021 | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
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| 20CrMnVTiB4-10 | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
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| X20Cr13 | Stainless steels - Chemical composition |
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| X20CrMoNiNbV11-1 | Wrought steels for use at elevated temperatures in engines |
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| X12CrNiMoV12-3 | Wrought steels for use at elevated temperatures in engines |
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| X220CrVMo12-2 | High alloyed CrVMo steel |
