The high quality China GBT 8Cr20Si2Ni material is one of the more steel grades we supply, Chinese GB standard of internal combustion engine valve steel bar (GB/T 12773-1991). 8Cr20Si2Ni is our main production grade, which has been approved by customers in many countries since its initial production, including our 8Cr20Si2Ni round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of 8Cr20Si2Ni materials, and we are willing to develop together with customers from all over the world.
Also includes 8Cr20Si2Ni steel material norm, chemical composition, mechanical properties, datasheet, 8Cr20Si2Ni equivalent, heat treatment and temperature process of 8Cr20Si2Ni, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 8Cr20Si2Ni this steel grade have a more comprehensive understanding, Download the full 8Cr20Si2Ni PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.75-0.85 | 1.75-2.25 | 0.20-0.60 | 0.03 | 0.03 | 19.0-20.5 | 1.15-1.65 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 843 (≥) | 124 (≥) | 22 | 34 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 241 |