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