---
title: Zinc-Aluminum-Magnesium Coated Steel Sheet
desc: Zinc-Aluminum-Magnesium is a new type of high corrosion resistance coated steel sheet, mainly composed of zinc, plus aluminum, magnesium and trace silicon. Used in construction, home appliances, automotive and other industries.
models: 
  - GB/T 38935-2020: Q235
  - EN10346-2015: DX51D, S350GD
place: Jiaxiang Kelunpu Heavy Industry Co., Ltd.
publishedTime: 2023-08-01
images: 
  - http://kelunpuzhonggong.com/upload/20251102082125.jpg
detail: Textured/Non-textured
spec: 
  - 'Thickness: 0.7~6.0mm'
  - 'Width: 1000~1350mm'
packaging: Single coil
slug: '1'
---

## Chemical Composition

| Grade | 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 |

## Mechanical Properties

| Grade | Yield Strength | Tensile Strength | Elongation After Fracture | Rockwell Hardness | Bending Test |
| --- | --- | --- | --- | --- | --- |
| Q235 | ≥235 | 370-500 | ≥22 | - | d = 1a |
| DX51D | ≥270 | ≥290 | ≥26 | - | d = 0.5a |
| S350GD | ≥350 | ≥420 | ≥16 | - | - |

1. When there is no obvious yield, use RP0.2, otherwise use ReL.
2. Sample width B ≥ 20mm, B = 20mm for arbitration; a is sample thickness.
3. Tensile test and bending test take transverse sampling.
