JIS NCF 690
2014-01-06 15:29:12 Print this pageThe high quality Japan JIS NCF 690 material is one of the more steel grades we supply, JIS G 4901 (2008),Corrosion-resisting and heat-resisting superalloy bars. NCF 690 is our main production grade, which has been approved by customers in many countries since its initial production, including our NCF 690 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 NCF 690 materials, and we are willing to develop together with customers from all over the world.
Also includes NCF 690 steel material norm, chemical composition, mechanical properties, datasheet, NCF 690 equivalent, heat treatment and temperature process of NCF 690, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in NCF 690 this steel grade have a more comprehensive understanding, Download the full NCF 690 PDF version of this datasheet.
Chemical composition (wt.%) of NCF 690
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.05 |
| Si | - | 0.50 |
| Mn | - | 0.50 |
| P | - | 0.03 |
| S | - | 0.015 |
| Cr | 27.00 | 31.00 |
| Ni | 58.00 | - |
| Cu | - | 0.50 |
| Al | - | - |
| Ti | - | - |
| Fe | - | - |
Mechanical Properties of NCF 690
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 629 (≥) | 598 (≥) | 31 | 11 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 221 |