| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Name of Chinese Standard | Status |
| Q/BQB 303-2023 | English | 529 |
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|
4 days
|
Continuously hot-rolled steel sheet and strip for general structure
| |
| Q/BQB 303-2020 | English | 165 |
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|
0-9 seconds. Auto-delivery.
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Continuously hot-rolled steel sheet and strip for general structure
| |
| Q/BQB 303-2019 | English | 200 |
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|
0-9 seconds. Auto-delivery.
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Continuously hot-rolled steel sheet and strip for general structure
| Obsolete |
| Q/BQB 303-2018 | English | 289 |
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|
3 days
|
(Hot-rolled steel plate and steel strip for general structure)
| Obsolete |
| Q/BQB 303-2014 | English | 180 |
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|
0-9 seconds. Auto-delivery.
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Continuously hot-rolled steel sheet and strip for general structure
| Obsolete |
| Q/BQB 303-2009 | English | 599 |
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|
3 days
|
Structural use of hot-rolled steel sheet and strip
| Obsolete |