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51 lines
2.4 KiB
Plaintext
51 lines
2.4 KiB
Plaintext
---
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title: Continuous Hot-Dip Aluminum-Zinc Coated Steel Sheet
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desc: Has good mechanical processing performance and better corrosion resistance, with beautiful crystal structure on the surface, suitable for construction, home appliances and other internal and external covering parts and structural parts that have higher requirements for formability and corrosion resistance.
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models:
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- GB/T14978, EN10346: DC(X)51D+AZ, DC(X)52D+AZ, S220GD+AZ, S250GD+AZ, S280GD+AZ, S300GD+AZ, S320GD+AZ, S350GD+AZ;
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- ASTM A792/A792M: CSA, CSB, CS C, FS, SS230, SS255, SS275, SS340
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place: Jiaxiang Kelunpu Heavy Industry Co., Ltd.
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publishedTime: 2025-10-21
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images:
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- http://kelunpuzhonggong.com/upload/20251021161717.jpg
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detail:
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spec:
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- 'Thickness: 0.32~2.0mm'
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- 'Width: 1000~1540mm'
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- 'Equal-Thickness Coating: AZ60-Z150'
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packaging:
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slug: '2'
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---
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## Mechanical Properties
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| Purpose | Grade | Yields strength/Re/MPa | Tensile strength/Rm/MPa | Elongation/A80/% |
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| :--- | :--- | :--- | :--- | :--- |
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| **Commercial** | DC01/51D·AZ | — | ≥500 | ≥22 |
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| **Drawing** | DC03/53D·AZ | ≥300 | ≥420 | ≥26 |
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| **Structure** | S250GD·AZ | ≥250 | ≥330 | ≥19 |
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| **Structure** | S280GD·AZ | ≥280 | ≥360 | ≥18 |
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| **Structure** | S300GD·AZ | ≥300 | ≥380 | ≥17 |
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| **Structure** | S320GD·AZ | ≥320 | ≥390 | ≥17 |
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| **Structure** | S350GD·AZ | ≥350 | ≥420 | ≥16 |
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1. When there is no obvious yield, use Rp0.2; otherwise use Rel. Structural steel uses ReH.
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2. When the nominal thickness of the product is greater than 0.5mm but less than 0.7mm, the elongation after fracture is allowed to decrease by 2%; when the nominal thickness of the product is less than 0.5mm, the elongation after fracture is allowed to decrease by 4%.
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## Usage
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| Purpose | Grade | Yields strength/Re/MPa | Tensile strength/Rm/MPa | Elongation/A80/% |
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| :--- | :--- | :--- | :--- | :--- |
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| **Commercial** | CSA | 205-410 | - | ≥20 |
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| **Drawing** | CSB | 245-410 | - | ≥20 |
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| **Structure** | CSC | 205-450 | - | ≥15 |
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| **Structure** | FS | 170-275 | - | ≥24 |
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| **Structure** | SS230 | ≥230 | ≥310 | ≥20 |
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| **Structure** | SS255 | ≥255 | ≥360 | ≥18 |
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| **Structure** | SS275 | ≥275 | ≥380 | ≥16 |
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| **Structure** | SS340¹ class1 | ≥340 | ≥450 | ≥12 |
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---
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> Surface treatment: Oiling, passivation or chromium-free passivation, passivation + oiling, chromium-free passivation + oiling, fingerprint resistance or chromium-free fingerprint resistance
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