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Q/BQB 340-2023: Continuously hot-rolled corrosion resisting steel sheet and strip for structural use
Status: Q/BQB 340: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| Q/BQB 340-2023 | English | 489 |
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Continuously hot-rolled corrosion resisting steel sheet and strip for structural use
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Q/BQB 340-2023
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| Q/BQB 340-2020 | English | 165 |
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Continuously-hot-rolled steel sheets and strips for corrosion resistant structures
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Q/BQB 340-2020
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| Q/BQB 340-2018 | English | 130 |
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Continuously-hot-rolled steel sheets and strips for corrosion resistant structures
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Q/BQB 340-2018
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Basic data | Standard ID | Q/BQB 340-2023 (Q/BQB340-2023) | | Description (Translated English) | Continuously hot-rolled corrosion resisting steel sheet and strip for structural use | | Sector / Industry | Chinese Industry Standard | | Classification of Chinese Standard | QBQ | | Word Count Estimation | 14,126 | | Date of Issue | 2023-04-09 | | Date of Implementation | 2023-07-01 | Q/BQB 340-2020: Continuously-hot-rolled steel sheets and strips for corrosion resistant structures
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Continuously-hot-rolled steel sheets and strips for corrosion resistant structures
Enterprise Standards of Baoshan Iron and Steel Co., Ltd.
Hot-rolled steel plates and strips for corrosion-resistant structures
2020-04-27 release
Released by Baoshan Iron and Steel Co., Ltd.
Self-commitment
The requirements of relevant laws and regulations, mandatory standards and related industrial policies shall be approved and issued by the legal representative of the enterprise in accordance with prescribed procedures.
The products produced by our company meet the technical requirements specified in this standard, and the standard number is clearly indicated on the corresponding product or product packaging.
Our company is responsible for the authenticity, accuracy and legality of the declared information, and assumes full legal responsibility for the consequences of the implementation of this standard
Baoshan Iron and Steel Co., Ltd.
Technical index 1
Index name. Main technical indexes such as composition and performance
Index requirements. See appendix for main technical indexes and test methods such as composition and performance
Main technical indicators and test methods (declaration public)
1 Chemical composition
a To improve the performance of steel, other trace alloying elements such as Nb, V, Ti, Mo can be added.
a To improve the performance of steel, other alloying elements can also be added.
Technical index 1 index requirement document
2 Mechanical and technological properties
a Take a longitudinal sample for the test.
b When the yield phenomenon is not obvious, use Rp0.2.
c The width of the bent sample b≥20mm, and b=20mm in the arbitration test.
d If the supplier can ensure that the shock absorption energy meets the requirements, the shock test is not required. If required by the party and indicated in the contract, an impact test shall be carried out and the inspection results shall be provided.
a Take a longitudinal sample for the test.
b When the yield phenomenon is not obvious, use Rp0.2.
c The width of the bent sample b≥20mm, and b=20mm in the arbitration test.
d If the supplier can ensure that the shock absorption energy meets the requirements, the shock test is not required. If required by the party and indicated in the contract, an impact test shall be carried out and the inspection results shall be provided.
e When the thickness t≥12.0mm, the tensile strength is allowed to be reduced by 20MPa and the yield strength is 10MPa lower than the specified value in the table.
a. Take transverse samples for the test.
b When the yield phenomenon is not obvious, use Rp0.2.
c The width of the bent sample b≥20mm, and b=20mm in the arbitration test.
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