The high quality USA ASTM ASTM Grade 485-275(70-40) material is one of the more steel grades we supply, . ASTM Grade 485-275(70-40) is our main production grade, which has been approved by customers in many countries since its initial production, including our ASTM Grade 485-275(70-40) 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 ASTM Grade 485-275(70-40) materials, and we are willing to develop together with customers from all over the world.
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| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| Max 0.25 | Max 0.80 | Max 1.20 | Max 0.05 | Max 0.06 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 286 (≥) | 141 (≥) | 14 | 14 | 34 | Solution & Aging, Ann, Ausaging, Q+T | 211 |
A387 F5 / Grade 5 Coil / Sheet
SA-437 Grade B4B
A387 F5 / Grade 5 Coil / Sheet
SA-437 Grade B4B