AS 4340 H
The high quality Australia AS 4340 H material is one of the more steel grades we supply, Australia Structural steel.
4340 H is our main production grade, which has been approved by customers in many countries since its initial production, including our 4340 H 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 4340 H materials, and we are willing to develop together with customers from all over the world.
Also includes 4340 H steel material norm, chemical composition, mechanical
properties, datasheet, 4340 H equivalent, heat treatment and temperature process of 4340 H, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 4340 H this steel grade have a more comprehensive understanding, Download the full 4340 H PDF version of this datasheet.
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C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) |
0.37-0.44 | 0.10-0.35 | 0.55-0.90 | 0.04 | 0.04 | 0.65-0.95 | 1.55-2.00 | 0.20-0.30 |
Rp0.2 (MPa) |
Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
A Z (%) |
Delivery |
Hardness HB |
145 (≥) |
511 (≥) |
41 |
14 |
11 |
Solution & Aging, Ann, Ausaging, Q+T |
422 |
Materials |
Dimension |
Quantity |
State |
17-4PH Coil Stock |
0.08*200mm |
1623 Kgs |
Cold-Rolled+Annealed |
17-4PH Round Bar |
Φ5-300mm*L |
46958 Kgs |
Hot-Rolled+Annealed+black |
17-4PH plate |
8-45*1200*3000mm |
4.9 Tons |
Hot-Rolled+Annealed+black |
IncoloyA-286 / GH 2132 Stock |
Φ8-65mm*L |
489 Kgs |
Hot-Rolled+Annealed+black |
Incoloy800 round bar |
Φ115*1400 |
169 Kgs |
Hot-Rolled+Annealed+black |
17-7PH / 631 Coil & Strip, Sheet Stock |
0.3-3.0*10-180mm |
1236.22 Kgs |
Cold-Rolled+Annealed |