Keluli Q215 adalah keluli struktur karbon China, dibahagikan kepada 2 gred kualiti: Q215A dan Q215B
Gred Setara Keluli Q215
Keluli Q215 setaraf dengan ASSI AS, Japan JIS, UK Standards BSI
| Setaraf (Untuk rujukan) | |||||||
| China | USA | Jepun | UK | ||||
| Piawai | Gred | Piawai | Gred | Piawai | Gred | Piawai | Gred |
| GB / T 700 | Q215A | ASTM A283 / A283M; ASTM A1011 / A1011M | Gred C; Jenis CS B | JIS G3101; JIS G3131 | SS330; SPHC | BS 970-1 | 040A12 |
| Q215B | ASTM A283 / A283M; ASTM A1011 / A1011M | Gred C; Jenis CS B | JIS G3101 JIS G3131 | SS330; SPHC | BS 970 Prat 1 | 040A12 | |
