CNS 440A
2014-03-03 17:24:40 Print this pageThe high quality China CNS 440A material is one of the more steel grades we supply, CNS G3067,Stainless steel bars. 440A is our main production grade, which has been approved by customers in many countries since its initial production, including our 440A 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 440A materials, and we are willing to develop together with customers from all over the world.
Also includes 440A steel material norm, chemical composition, mechanical properties, datasheet, 440A equivalent, heat treatment and temperature process of 440A, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 440A this steel grade have a more comprehensive understanding, Download the full 440A PDF version of this datasheet.
Chemical composition (wt.%) of 440A
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.60 | 0.75 |
| Si | - | 1.00 |
| Mn | - | 1.00 |
| P | - | 0.040 |
| S | - | 0.030 |
| Ni | - | 0.60 |
| Cr | 16.00 | 18.00 |
| Mo | - | 0.75 |
Mechanical Properties of 440A
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 956 (≥) | 718 (≥) | 24 | 11 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 342 |
