Chemical composition(mass fraction)(wt.%)
| C(％) | Si(％) | Mn(％) | Cr(％) |
|---|---|---|---|
| 0.17-0.23 | 0.17-0.37 | 0.90-1.20 | 0.90-1.20 |
Mechanical properties of grade 20CrMn
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 661 (≥) | 848 (≥) | 14 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 |
Physical properties of grade 20CrMn
| Property | Density kg/dm3 | Temperature T °C/F | Specific heat J / kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 823 (≥) | 126 (≥) | 12 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | - | - | - |
| 897 | 397 | 188 | - |
20CrMn Range of products
| 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 |
Hot Tags: 20crmn structural steel, China, suppliers, manufacturers, factory, buy, price, pricelist, for sale, in stock, free sample
Previous: 15CrNiMnMoV Structural Steel
