2025-12-10 11:32:50 +08:00
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---
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2026-01-27 12:57:27 +08:00
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title: 锌铝镁钢板
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desc: 锌铝镁是一种新型高耐腐蚀性镀层钢板，主要成分是锌，外加铝、镁和微量硅。应用在建筑、家电、汽车等行业。
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models:
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- GB/T 38935-2020 ：Q235
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- EN10346-2015：DX51D、S350GD
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2025-12-10 11:32:50 +08:00
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place: 嘉祥科伦普重工有限公司
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publishedTime: 2023-08-01
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images:
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2026-01-31 16:42:34 +08:00
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- /images/product/20251021161717.jpg
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2025-12-10 11:32:50 +08:00
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detail: 毛化/无毛化
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spec:
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2026-01-27 12:57:27 +08:00
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- '厚度(Thickness)：0.7~6.0mm'
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- '宽度(Width): 1000~ 1350mm'
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2025-12-10 11:32:50 +08:00
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packaging: 单卷
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2026-01-27 12:57:27 +08:00
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slug: '1'
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---
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## 化学成分
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| 牌号 | C | Mn | Si | P | S |
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| --- | --- | --- | --- | --- | --- |
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| Q235 | ≤0.22 | ≤1.40 | ≤0.35 | ≤0.035 | ≤0.035 |
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| DX51D | ≤0.18 | ≤1.20 | ≤0.5 | ≤0.12 | ≤0.045 |
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| Q235 | ≤0.2 | ≤1.70 | ≤0.6 | ≤0.045 | ≤0.045 |
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## 力学性能
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| 牌号 | 屈服强度 | 抗拉强度 | 断后伸长率 | 洛氏硬度 | 弯曲试验 |
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| --- | --- | --- | --- | --- | --- |
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| Q235 | ≥235 | 370-500 | ≥22 | - | d = 1a |
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| DX51D | ≥270 | ≥290 | ≥26 | - | d = 0.5a |
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| S350GD | ≥350 | ≥420 | ≥16 | - | - |
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1. 无明显屈服是，采用RP0.2, 否则用ReL。
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2. 试样宽度B ≥ 20mm, 仲裁时 B = 20mm; a 为试样厚度。
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3. 拉伸试验、弯曲试验取横向取样。
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