UNS D-979
2014-01-06 15:29:12 Print this pageThe high quality USA UNS D-979 material is one of the more steel grades we supply, UNS SAE J 467 (1968),Special Purpose Alloys ("Superalloys"). D-979 is our main production grade, which has been approved by customers in many countries since its initial production, including our D-979 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 D-979 materials, and we are willing to develop together with customers from all over the world.
Also includes D-979 steel material norm, chemical composition, mechanical properties, datasheet, D-979 equivalent, heat treatment and temperature process of D-979, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in D-979 this steel grade have a more comprehensive understanding, Download the full D-979 PDF version of this datasheet.
Chemical composition (wt.%) of D-979
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.06 |
| Si | - | 0.20 |
| Mn | - | 0.25 |
| P | - | - |
| S | - | - |
| Ni | - | 44.30 |
| Cr | - | 14.9 |
| Al | - | 1.05 |
| Cu | - | - |
| Ti | - | 3.00 |
| Fe | - | remaining |
| Mo | - | 4.05 |
| Co | - | - |
| W | - | 3.65 |
| B | - | 0.01 |
Mechanical Properties of D-979
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 688 (≥) | 513 (≥) | 22 | 23 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 132 |