DX51D+AZ Sheet Roughness Size Range
Author: SZTC
2025-01-16
DX51D+AZ is a common hot-dip galvanized steel sheet, widely used in construction, automobiles, home appliances and other fields. The roughness size range of this material is usually determined by its thickness and production process. The following are some specific size ranges and related information:
1. Thickness range
The thickness of DX51D+AZ sheet is usually between 0.4mm and 3.20mm, and common thickness specifications include 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, etc.
The thickness of DX51D+AZ sheet is usually between 0.4mm and 3.20mm, and common thickness specifications include 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, etc.
2. Width range
The width is generally 600mm to 1250mm, of which 1000mm and 1250mm are more common.
The width is generally 600mm to 1250mm, of which 1000mm and 1250mm are more common.
3. Length range
The length can be customized according to demand, and the common length is between 1m and 12m.
The length can be customized according to demand, and the common length is between 1m and 12m.
4. Roughness size range
Roughness refers to the flatness of the sheet surface, which is usually expressed by the height difference between the peak and the trough. The unevenness size range of DX51D+AZ plate is as follows:
Roughness refers to the flatness of the sheet surface, which is usually expressed by the height difference between the peak and the trough. The unevenness size range of DX51D+AZ plate is as follows:
Steel plate with thickness of 0.6mm - 0.8mm: unevenness tolerance is ±0.06mm.
Steel plate with thickness of 0.8mm - 1mm: unevenness tolerance is ±0.07mm.
Steel plate with thickness of 1mm - 1.2mm: unevenness tolerance is ±0.08mm.
V. Surface quality
The surface quality of DX51D+AZ plate is usually divided into different grades, the common ones are:
The surface quality of DX51D+AZ plate is usually divided into different grades, the common ones are:
FA (ordinary grade): slight defects are allowed on the surface.
FB (higher grade): better surface quality and fewer defects.
FC (higher grade): higher surface quality and fewer defects.
FD (super-high-grade finishing surface): the highest surface quality and almost no defects.
VI. Coating parameters
The coating weight of DX51D+AZ plate is commonly 80g, 120g, 150g, 180g, 275g per square meter and other specifications. The coating thickness is related to the coating weight, for example:
The coating weight of DX51D+AZ plate is commonly 80g, 120g, 150g, 180g, 275g per square meter and other specifications. The coating thickness is related to the coating weight, for example:
The thickness of the zinc layer of 80g per square meter is about 11μm.
The thickness of the zinc layer of 180g per square meter is about 27μm.
VII. Summary
The unevenness size range of DX51D+AZ sheet mainly depends on its thickness. The common thickness range is between 0.4mm and 3.20mm, the width is generally 600mm to 1250mm, and the length can be customized according to needs. The unevenness tolerance varies at different thicknesses, as follows:
The unevenness size range of DX51D+AZ sheet mainly depends on its thickness. The common thickness range is between 0.4mm and 3.20mm, the width is generally 600mm to 1250mm, and the length can be customized according to needs. The unevenness tolerance varies at different thicknesses, as follows:
0.6mm - 0.8mm: ±0.06mm
0.8mm - 1mm: ±0.07mm
1mm - 1.2mm: ±0.08mm
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