What is the material grade of DX53D+Z galvanized steel?
DX53D+Z is a hot-dip galvanized steel grade under the European standard (EN 10346), which belongs to commercial grade high-formability galvanized steel:
DX: Commercial grade hot-dip galvanized steel code
53: Formability grade (deep drawing grade, better than DX51D/DX52D)
D: Hot-dip galvanized (Hot-dip Galvanized)
+Z: Pure zinc coating (GI)
Implementation standard: EN 10346 (corresponding to DC53D+Z in the national standard GB/T 2518)
What is the difference between DX53D+Z steel and HC260Y+Z?
|
Comparison items |
DX53D+Z |
HC260Y+Z |
|
Formability |
Excellent (r≥1.8) |
General (r≥1.2) |
|
Strength |
Low (YS≤300MPa) |
Higher (YS≥260MPa) |
|
Cost |
Economical |
Premium 20-30% |
|
Applicable process |
Deep drawing/complex bending |
Welding of structural parts |
DX53D+Z galvanized steel is used for?
|
Industry |
Component examples |
Recommended coatings |
Advantages |
|
Home appliances |
Washing machine inner drum, refrigerator panel |
Z90+ polishing |
High formability, no surface defects |
|
Automobile |
Interior decoration, fuel tank shell |
Z60+ passivation |
Thinning and cost reduction, fuel oil corrosion resistance |
|
Construction |
Ceiling keel, ventilation duct |
Z120 |
No need for painting, more than 10 years of corrosion protection |
|
Electronics |
Chassis shell, power distribution cabinet |
Z60+ fingerprint resistance |
Can be directly sprayed/printed |
DX53D+Z Will galvanized steel rust?
DX53D+Z will rust, but its zinc coating can significantly slow down the rust process. The specific anti-rust performance depends on the coating weight, the use environment and the maintenance method.
DX53D+Z uses hot-dip pure zinc (GI)
It can prevent rust for a long time under reasonable use conditions. Please note:
For normal environment (C1-C3), choose Z90 coating, which can last for 5-15 years
For high corrosion environment (C4-C5), Z120+ passivation or zinc-aluminum-magnesium coating is required
Avoid mechanical damage and acid-base contact, and check and maintain regularly
What is the chemical composition of DX53DZ?
The base material (steel strip) of DX53D+Z is usually low carbon steel, with typical composition range (%):
|
Element |
C(碳) |
Mn(锰) |
P(磷) |
S(硫) |
Al(铝) |
|
Content |
≤0.08 |
≤0.50 |
≤0.03 |
≤0.025 |
≥0.015 |