Designation | Brand | Quality grade | Dimension(mm)
| Stock size (mm) | Executive technical standard |
Hot rolled carbon structural angle steel( carbon structural angle steel) | Q195 | | 45×45×4-5、50×50×4-6、56×56×4-6、63×63×5-6、70×70×5-8、75×75×5-10、63×40×5-8、75×50×5-10、80×80×6-10、90×90×6-10、100×100×6-10、 | Length:4000-9000、6000、7000、8000、9000 10000 | GB/T 700-2006、 GB/T 706-2008 |
Q215、Q235 | A、B |
Hot rolled low-alloy structural angle steel(low alloy angle steel) | Q345 | A、B、C、D | GB/T 1591-2008 GB/T 706-2008 |
Hot rolled structural angle steel for hull(angle steel for hull) | | A、B | 63×40×5-7、75×50×5-8、80×50×5-8、90×56×5-8、100×63×6-10、100×80×6-10 | GB/T 706-2008及CCS Provision |
Hot rolled carbon structural channel steel(carbon structural channel steel) | Q195 | | 63×40×4.8、80×43×5、100×48×5.3 | Length:5000-9000、6000、 7000、8000、9000、10000 | GB/T 700-2006、 GB/T 706-2008 |
Q215、Q235 | A、B |
Hot rolled low-alloy structural channel steel (low-alloy channel steel) | Q345 | A、B、C、D | 63×40×4.8、80×43×5、100×48×5.3 | GB/T 1591-2008、 GB/T 706-2008 |
Hot rolled structural angle steel for hull | No.1 steel making and rolling plant 150 billet D、A32、A36、D32、D36 | | No.1 steel making and rolling plant ≮75×50×5~10、≮80×50×5~8、≮90×56×5~8、≮100×63×6~10、≮100×80×6~10 | | GB/T 706-2008 and China Classification Society |
No.2 steel making plant 120 billet A32、A36 | | No.2 steel making plant ≮63×40×5~7、≮75×50×5~10 | |
Hot rolled low alloy high strength structural angle steel | Q390、Q420 | A、B、C、D、E | 4.5-10
6.3/4-7.5/5 | Length4000-9000、6000、7000、8000、9000、10000 | GB/T 706-2008 |
Q460 | C、D、E | |
Hot rolled structural angle steel for hull | No.1 steel making and rolling plant 150 billet D、A32、A36、D32、D36 | | No.1 steel making and rolling plant ≮75×50×5~10、≮80×50×5~8、≮90×56×5~8、≮100×63×6~10、≮100×80×6~10 | | GB/T 706-2008 and China Classification Society |
No.2 steel making plant 120 billet A32、A36 | | No.2 steel making plant ≮63×40×5~7、≮75×50×5~10 | |
Hot rolled low alloy high strength structural angle steel | Q390、Q420 | A、B、C、D、E | 4.5-10
6.3/4-7.5/5 | Length4000-9000、6000、7000、8000、9000、10000 | GB/T 706-2008 |
Q460 | C、D、E | |