| Steel grade | Standard | Application |
|---|---|---|
| U20302 | GBT | China structural steel and alloy steel |
| U20252 | GBT | China structural steel and alloy steel |
| U20202 | GBT | China structural steel and alloy steel |
| U20152 | GBT | China structural steel and alloy steel |
| U20102 | GBT | China structural steel and alloy steel |
| U20082 | GBT | China structural steel and alloy steel |
| U20150 | GBT | China structural steel and alloy steel |
| U20100 | GBT | China structural steel and alloy steel |
| U20080 | GBT | China structural steel and alloy steel |
| 70Mn | GBT | China structural steel and alloy steel |
| 65Mn | GBT | China structural steel and alloy steel |
| 60Mn | GBT | China structural steel and alloy steel |
| 50Mn | GBT | China structural steel and alloy steel |
| 45Mn | GBT | China structural steel and alloy steel |
| 40Mn | GBT | China structural steel and alloy steel |
| 35Mn | GBT | China structural steel and alloy steel |
| 30Mn | GBT | China structural steel and alloy steel |
| 25Mn | GBT | China structural steel and alloy steel |
| 20Mn | GBT | China structural steel and alloy steel |
| 15Mn | GBT | China structural steel and alloy steel |
| 85 | GBT | China structural steel and alloy steel |
| 80 | GBT | China structural steel and alloy steel |
| 75 | GBT | China structural steel and alloy steel |
| 70 | GBT | China structural steel and alloy steel |
| 65 | GBT | China structural steel and alloy steel |
| 60 | GBT | China structural steel and alloy steel |
| 55 | GBT | China structural steel and alloy steel |
| 50 | GBT | China structural steel and alloy steel |
| 45 | GBT | China structural steel and alloy steel |
| 40 | GBT | China structural steel and alloy steel |
| 35 | GBT | China structural steel and alloy steel |
| 30 | GBT | China structural steel and alloy steel |
| 25 | GBT | China structural steel and alloy steel |
| 20 | GBT | China structural steel and alloy steel |
| 15 | GBT | China structural steel and alloy steel |