The high quality USA ASTM M3 Class1 material is one of the more steel grades we supply, Molybdenum series High-speed tool steel. M3 Class1 is our main production grade, which has been approved by customers in many countries since its initial production, including our M3 Class1 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 M3 Class1 materials, and we are willing to develop together with customers from all over the world.
Also includes M3 Class1 steel material norm, chemical composition, mechanical properties, datasheet, M3 Class1 equivalent, heat treatment and temperature process of M3 Class1, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in M3 Class1 this steel grade have a more comprehensive understanding, Download the full M3 Class1 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) | W(%) |
|---|---|---|---|---|---|---|---|---|
| 1.00～1.10 | 0.20～0.45 | 0.15～0.40 | ≤0.030 | ≤0.030 | 3.75～4.50 | 4.75～6.50 | 2.25～2.75 | 5.00～6.75 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 252 (≥) | 776 (≥) | 24 | 22 | 42 | Solution & Aging, Ann, Ausaging, Q+T | 242 |