AISI K31820
2014-01-06 15:29:12 Print this pageThe high quality USA AISI K31820 material is one of the more steel grades we supply, Alloy Steel (HY80). K31820 is our main production grade, which has been approved by customers in many countries since its initial production, including our K31820 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 K31820 materials, and we are willing to develop together with customers from all over the world.
Also includes K31820 steel material norm, chemical composition, mechanical properties, datasheet, K31820 equivalent, heat treatment and temperature process of K31820, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in K31820 this steel grade have a more comprehensive understanding, Download the full K31820 PDF version of this datasheet.
Chemical composition (wt.%) of K31820
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.03 |
| Ni | 13.00 | 15.00 |
| Cr | 17.00 | 19.00 |
| Al | - | - |
| Cu | - | - |
| Ti | - | - |
| Fe | - | - |
| N | - | - |
| Mo | 1.75 | 2.75 |
| V | - | - |
Mechanical Properties of K31820
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 145 (≥) | 579 (≥) | 42 | 34 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 143 |