The high quality USA ASTM CH-20 material is one of the more steel grades we supply, . CH-20 is our main production grade, which has been approved by customers in many countries since its initial production, including our CH-20 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 CH-20 materials, and we are willing to develop together with customers from all over the world.
Also includes CH-20 steel material norm, chemical composition, mechanical properties, datasheet, CH-20 equivalent, heat treatment and temperature process of CH-20, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in CH-20 this steel grade have a more comprehensive understanding, Download the full CH-20 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| Max 0.20 | 2.00 | Max 1.50 | Max 0.040 | Max 0.040 | 22.0-26.0 | 12.0-15.0 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 716 (≥) | 191 (≥) | 24 | 24 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 111 |