The high quality USA ASTM CH-12 material is one of the more steel grades we supply, Casting tool steels and powder metallurgy tool steel. CH-12 is our main production grade, which has been approved by customers in many countries since its initial production, including our CH-12 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-12 materials, and we are willing to develop together with customers from all over the world.
Also includes CH-12 steel material norm, chemical composition, mechanical properties, datasheet, CH-12 equivalent, heat treatment and temperature process of CH-12, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in CH-12 this steel grade have a more comprehensive understanding, Download the full CH-12 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 0.30-0.40 | Max 1.50 | Max 0.75 | Max 0.030 | Max 0.030 | 4.75-5.75 | 1.25-1.75 | 0.20-0.50 | 1.00-1.70 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 172 (≥) | 663 (≥) | 31 | 13 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 122 |