JIS SUS 321 HTF
2014-01-06 15:29:12 Print this pageThe high quality Japan JIS SUS 321 HTF material is one of the more steel grades we supply, JIS G 3467 (2011),Steel tubes for fired heater. SUS 321 HTF is our main production grade, which has been approved by customers in many countries since its initial production, including our SUS 321 HTF 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 SUS 321 HTF materials, and we are willing to develop together with customers from all over the world.
Also includes SUS 321 HTF steel material norm, chemical composition, mechanical properties, datasheet, SUS 321 HTF equivalent, heat treatment and temperature process of SUS 321 HTF, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SUS 321 HTF this steel grade have a more comprehensive understanding, Download the full SUS 321 HTF PDF version of this datasheet.
Chemical composition (wt.%) of SUS 321 HTF
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.045 |
| S | - | 0.03 |
| Cr | 17.00 | 19.00 |
| Ni | 9.00 | 13.00 |
| Mo | - | - |
| N | - | - |
| Ti | 5×C％ | - |
Mechanical Properties of SUS 321 HTF
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 186 (≥) | 272 (≥) | 34 | 24 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 312 |