The high quality USA AISI CN-7M material is one of the more steel grades we supply, . CN-7M is our main production grade, which has been approved by customers in many countries since its initial production, including our CN-7M 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 CN-7M materials, and we are willing to develop together with customers from all over the world.
Also includes CN-7M steel material norm, chemical composition, mechanical properties, datasheet, CN-7M equivalent, heat treatment and temperature process of CN-7M, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in CN-7M this steel grade have a more comprehensive understanding, Download the full CN-7M PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| Max 1.50 | Max 1.50 | Max 1.50 | Max 0.04 | Max 0.040 | 19.0-22.0 | 27.0-30.5 | 2.0-3.0 |
| Cu(%) | |||||||
| 3.0-4.0 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 415 (≥) | 545 (≥) | 41 | 23 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 112 |