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3 Years
Qingdao Jero Steel Co., Ltd.
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DX51D Zero Spangle Z180g Galvanized Steel Coil No Spangle Gi Product
Galvanized steel coils are produced through continuously hot dipped galvanizing steel
line production, and galvanized steel coils have different rust-resistance performance
according to different coating requirement.
High performance, thick zinc layer, zero zinc galvanized sheet, and equipped with electrostatic
coating, polishing roller and other advanced technology, it is the first choice for high-grade
building materials and home appliances substrate.
regular spangle Vs. zero spangle
For zero spangle galvanized steel product, the appearance is smooth and silvery white without
zincoma or burr. The surface is much more beautiful on the sample, but I can just show a small size
photos here, if you need a sample, please contact us.
the Capacity of our production Line ( for zero spangle product)
| Project | Hot dip galvanizing unit |
| Maximum process speed(m/min) | 180 |
| thickness(mm) | 0.15-1. 2 |
| width(mm) | 685-1250 |
| Coating weight(double-sided)g/m2 | 30-275 |
| Inside diameter of steel coil(mm) | 508/610 |
| Productive capacity(tons/year) | 320,000 |
| Surface structure | Smooth without zinc flower |
| Surface treatment | Oiling, passivation or chromium-free passivation, passivation + oiling, fingerprint resistance or chromium-free fingerprint resistance |
3 different forms of Galvanized Steel Material
We export the Galvanized steel material with 3 different forms: Coil, Strip, Plate.
(over 600mm width, we call it "coil", less than 600 width, it is "strip".)
applications of Galvanized steel material
They are mainly used for building roof door; window, roller shutter door and lightgage
steel joist For automobile industry,vehicle shell, chassis, trunk lid, oil tank, and fender;
metallurgy steel sash back, and electric equipment, such as refrigerator base and shell,
and kitchen equipment, color coated steel baseplate etc.
Quality Control
The company introduced testing equipment for product testing,
including raw materials, semi-finished products, finished products,
and we refuse any unqualified product.
detection of specific items
♦ Metal material mechanical property test at room temperature and high temperature
♦ Brinell hardness test, HRC hardness, Vickers hardness
♦ Expanding, squash, cupping test, bending test,compression test
♦ Metal material in the high,macrostructure analysis, conductivity / resistance
♦ Density,grain size analysis,hydrogen embrittlement test,residual stress test,dezincification corrosion test