AISI K21604
2014-01-06 15:29:12 Print this pageThe high quality USA AISI K21604 material is one of the more steel grades we supply, Alloy steel casting. K21604 is our main production grade, which has been approved by customers in many countries since its initial production, including our K21604 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 K21604 materials, and we are willing to develop together with customers from all over the world.
Also includes K21604 steel material norm, chemical composition, mechanical properties, datasheet, K21604 equivalent, heat treatment and temperature process of K21604, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in K21604 this steel grade have a more comprehensive understanding, Download the full K21604 PDF version of this datasheet.
Chemical composition (wt.%) of K21604
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | 7.50 | 9.00 |
| P | - | - |
| S | - | - |
| Ni | 5.00 | 7.00 |
| Cr | 17.50 | 22.00 |
| Al | - | - |
| Cu | - | - |
| Ti | - | - |
| Fe | - | - |
| N | 0.25 | 0.50 |
| Mo | 2.00 | 3.00 |
Mechanical Properties of K21604
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 444 (≥) | 725 (≥) | 23 | 22 | 12 | Solution & Aging, Ann, Ausaging, Q+T | 313 |
