AMS SA-29 Grade 4340
2014-01-06 15:29:12 Print this pageThe high quality USA AMS SA-29 Grade 4340 material is one of the more steel grades we supply, AMS SA-29/SA-29M,Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for. SA-29 Grade 4340 is our main production grade, which has been approved by customers in many countries since its initial production, including our SA-29 Grade 4340 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 SA-29 Grade 4340 materials, and we are willing to develop together with customers from all over the world.
Also includes SA-29 Grade 4340 steel material norm, chemical composition, mechanical properties, datasheet, SA-29 Grade 4340 equivalent, heat treatment and temperature process of SA-29 Grade 4340, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SA-29 Grade 4340 this steel grade have a more comprehensive understanding, Download the full SA-29 Grade 4340 PDF version of this datasheet.
Chemical composition (wt.%) of SA-29 Grade 4340
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.01 |
| Si | - | 0.20 |
| Mn | - | 0.30 |
| P | - | - |
| S | - | - |
| Ni | - | 0.15 |
| Cr | 28.00 | 30.00 |
| Al | - | - |
| Cu | - | 0.15 |
| Ti | - | - |
| Fe | - | - |
| N | - | 0.02 |
| Mo | 3.50 | 4.20 |
Mechanical Properties of SA-29 Grade 4340
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 389 (≥) | 751 (≥) | 23 | 44 | 34 | Solution & Aging, Ann, Ausaging, Q+T | 144 |