Weathering Steel plate can be exposed to the atmosphere without painting. It begins to rust in the same way as ordinary steel. But soon the alloying elements in
Weathering Steel plate can be exposed to the atmosphere without painting. It begins to rust in the same way as ordinary steel. But soon the alloying elements in it cause a protective surface layer of fine-textured rust to form, thereby suppressing corrosion rate.
| No | Standard | weather resistant steel plate material |
| 1 | ASTM | Corten A/Corten B/A588 GR.A /A588 GR.B /A242 |
| 2 | EN | S355J0W / S355J2W / S355J0WP / S355J2WP / S355K2G1W / S355K2G2W |
| 3 | JIS | G3125 SPA-H / SPA-C ; G3114 SMA400AW / BW / CW; G3114 SMA490AW / BW |
| 4 | GB | 09CuPCrNi-A,09CuP, 09CuPCrNiA, 09CrCuSb |
| Steel Grade | Standard | Yield Strength N/mm² | Tensile Strength N/mm² | Elongation % |
| Corten A | ASTM |
≥345 | ≥480 | ≥22 |
| Corten B | ≥345 | ≥480 | ≥22 | |
| A588 GR.A | ≥345 | ≥485 | ≥21 | |
| A588 GR.B | ≥345 | ≥485 | ≥21 | |
| A242 | ≥345 | ≥480 | ≥21 | |
| S355J0W | EN |
≥355 | 490-630 | ≥27 |
| S355J0WP | ≥355 | 490-630 | ≥27 | |
| S355J2W | ≥355 | 490-630 | ≥27 | |
| S355J2WP | ≥355 | 490-630 | ≥27 | |
| SPA-H | JIS |
≥355 | ≥490 | ≥21 |
| SPA-C | ≥355 | ≥490 | ≥21 | |
| SMA400AW | ≥355 | ≥490 | ≥21 | |
| 09CuPCrNi-A | GB |
≥345 | 490-630 | ≥22 |
| B480GNQR | ≥355 | ≥490 | ≥21 | |
| Q355NH | ≥355 | ≥490 | ≥21 | |
| Q355GNH | ≥355 | ≥490 | ≥21 | |
| Q460NH | ≥355 | ≥490 | ≥21 |
