SAE B 275 GR20B
2014-01-06 15:29:12 Print this pageThe high quality USA SAE B 275 GR20B material is one of the more steel grades we supply, SAE B 275 (2005),Standard Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought. B 275 GR20B is our main production grade, which has been approved by customers in many countries since its initial production, including our B 275 GR20B 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 B 275 GR20B materials, and we are willing to develop together with customers from all over the world.
Also includes B 275 GR20B steel material norm, chemical composition, mechanical properties, datasheet, B 275 GR20B equivalent, heat treatment and temperature process of B 275 GR20B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in B 275 GR20B this steel grade have a more comprehensive understanding, Download the full B 275 GR20B PDF version of this datasheet.
Chemical composition (wt.%) of B 275 GR20B
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.12 |
| Si | - | 0.30 |
| Mn | - | 0.80 |
| Cr | - | 19.00 |
| Ni | - | 14.00 |
| Mo | - | - |
| Co | - | - |
| W | - | - |
| Al | - | - |
| Cu | - | - |
| Ti | - | - |
| Fe | - | remaining |
| Nb | - | 1.60 |
Mechanical Properties of B 275 GR20B
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 914 (≥) | 489 (≥) | 23 | 32 | 43 | Solution & Aging, Ann, Ausaging, Q+T | 444 |