---
title: 锌铝镁钢板
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。
models: 
  - GB/T 38935-2020 ：Q235
  - EN10346-2015：DX51D、S350GD
place: 嘉祥科伦普重工有限公司
publishedTime: 2023-08-01
images: 
  - /images/product/20251021161717.jpg
detail: 毛化/无毛化
spec: 
  - '厚度(Thickness)：0.7~6.0mm'
  - '宽度(Width):  1000~ 1350mm'
packaging: 单卷
slug: '1'
---

## 化学成分

| 牌号 | C | Mn | Si | P | S |
| --- | --- | --- | --- | --- | --- |
| Q235 | ≤0.22 | ≤1.40 | ≤0.35 | ≤0.035 | ≤0.035 |
| DX51D | ≤0.18 | ≤1.20 | ≤0.5 | ≤0.12 | ≤0.045 |
| Q235 | ≤0.2 | ≤1.70 | ≤0.6 | ≤0.045 | ≤0.045 |

## 力学性能

| 牌号 | 屈服强度 | 抗拉强度 | 断后伸长率 | 洛氏硬度 | 弯曲试验 |
| --- | --- | --- | --- | --- | --- |
| Q235 | ≥235 | 370-500 | ≥22 | - | d = 1a |
| DX51D | ≥270 | ≥290 | ≥26 | - | d = 0.5a |
| S350GD | ≥350 | ≥420 | ≥16 | - | - |

1. 无明显屈服是，采用RP0.2, 否则用ReL。
2. 试样宽度B ≥ 20mm, 仲裁时 B = 20mm; a 为试样厚度。
3. 拉伸试验、弯曲试验取横向取样。