| No. | Category | Grade | Specification (mm) | Standard | Application |
1
| Ultra-low carbon steels | M6 | φ5.5~φ46 | Technical agreement | Copper clad wire for network cable and telephone line |
| H1T、H2T | Shielded wire, large deformation rivet |
| XCT-1、XCT-2 | Alloy charge pure iron |
| DT4、CT03Al | Electromagnetic pure iron |
| GX01 | New energy vehicle bateyelectrodes, lightning arays, etc. |
2
| Cold heading and cold forging steels | (X)SWRCH10K-45K、(X)SWRCH6A-35A、SAE10B21A-SAE10B38A、10B33、20MnB4*(-G、-XG、-Q) | φ5.5~φ46 | Q/OHAB113-2020; JIS G3507-1:2010; ASTM/A29M2005 | Standard and nonstandard fasteners: bolt, screw, etc |
| ML20Cr、ML40Cr、ML15-42CrMo、SCM420、SCM435、SCM440ML20MnTiB、XML35ACr、XML40ACr*(-G、-XG、-Q) | Q/OHAB113-2020; GB/T 6478-2015; JIS G 3509-1:2010; Q/OHAB123-2018a; Technical agreement |
| 35VB、35B2、BF-2、Q355D、40CrMoV、B7、X08NH、08CrNiCu、20CrMnTi*(-G、-XG、-Q) | Technical agreement |
| C4C-Q、C8C-Q、C10C-Q、C15C-Q |
| 16MnCr5-Q、16MnCrS5-Q、ML45Mn2-Q、SCr440-Q |
| 3 | Steel for tire | (X)TQ72A、TQ82A | φ5.5 | Q/OHAB119-2012 | Steel wire for tyre and rubber |
| XLX72A、XLX77A、XLX82A、XLX86A、XLX72A-BK、XLX82A-BK、XLX72ACr、XLX82A-B、XLX92A | Technical agreement | Steel wire, cuting stel wire, piano wire, etc. for radial tires |
| 4 | Spring steels | X60Si2MnA、60Si2CrV | φ5.5~φ20 | Q/OHAB115-2014 | Spring for machinery and for automobile |
| X55SiCrA-Q、X55SiCrA-R、51CrV4、55CrMn、SAE9254、SAE9260 | φ5.5~φ22 | YB/T5363-2006; ASTM A29/A29M-05; Technical agreement |
| 5 | Bearing steels | GCr15 | φ5.5~φ18 | GB/T18254-2002; Technical agreement | Bearing rolling elements |
6
| Steels for welding | H08A、(X)SWRY11 | φ5.5、φ6.5 | Q/OHAB110-2014 or JIS3503:2006 | Welding rod |
| H08MnA、H10Mn2 | Q/OHAB110-2014 | Submerged electrode wire |
| (X)ER70S-6E\XER58-1、XER62-1、X60(70)-G | Q/OHAB110-2014; Technical agreement | Gas-shielded welding wire |
| TH500-NQ-Ⅱ(III)、TH550-NQ-Ⅱ(III) | Technical agreement | Weatherable welding wire |
| GXH08C、GXH08D | Petroleum pipeline welding wire |
| H08Mn2D、H08Mn2E、H08Mn2Ni | Welding wire for Engineering welding wire |
7
| Free cutting steels | XY1215 | φ5.5~φ46 | Q/OHAB120-2014 | Bearing, bolt, dowel and other precision parts |
| SAE1215Cr | Technical agreement |
| 8 | Low carbon steels | Q195b、BL1 | φ5.5~φ14 | Q/OHAB106-2014 | Wire mesh, hook housing, telephone wire, etc |
| SAE1006-SAE1030 | φ5.5~φ46 | ASTM A29/A29M-2005 | Wire mesh, fan guard, hook housing, etc |
| 9 | Carbon steels for machine structural use | S20C、S35C、S45C | 5.5~φ40 | JISG 4051:2005 | Machinery, automobile spare parts, etc |
10
| Tool steels | 40CrV、50CrV | φ5.5~φ46 | Technical agreement | Metallic tool |
| 50BV30、XG6150 |
| 11 | Steel fiber steels | XXWO4B | φ5.5、φ6.5 | Q/OHAB106-2014 | Fibre steel wire |
12
| Middle and highcarbon steels | 45-80 | φ5.5~φ13 | GB/T 699-1999; GB/T 4354-2008 | Steel wire, steel cable, etc |
| (X)SWRH42A/B-82A/B; XDT47A、XDT62A; XKS72A、XKS77A | φ5.5~φ14 | Q/OHAB111-2014 or JIS G 3506:2004 | Steel wire for elevator, steel cable for mine and for port operation, prestressed steel strand, etc. |
| SAE1045-SAE1080 | ASTM A510/A510M-2008 | Steel wire, steel cable, prestressed steel strand, etc |
| X72LB、X82LB | φ5.5~φ6.5 | Technical agreement | Aluminum clad steel |