Galvanized steel is a carbon flat rolled steel product that is covered in a zinc coating on its surface. This coating increases a steel coil’s, slit coil’s, or sheet’s resistance to corrosion. The most common method of galvanizing steel is the hot dip galvanized process.
In the hot dipped galvanized process, base carbon steel coil is submerged in an acid bath to remove steel scale. Once the steel is cleaned and its scale is removed, it is continually submerged in bath of molten zinc forming a metallurgical bond and protective coating at a controlled coating weight. The coating weight immediately increases the corrosive resistance of the steel.
The zinc bath during the hot dipped galvanized process contains trace amounts of elements like aluminum. The presence of these trace amounts optimize coating adhesion and improve the malleability of galvanized steel sheet, galvanized steel coil, and galvanized steel slit coil allowing the material to be formed into hundreds of products that we use every day.
KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate, seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.
Content | |||
Material: | SG550/SG280/SG350DX51D+Z | SGCC/ CS TYPE | |
Finish | NBMinimized Spangle (M) | ||
Surface Treatment | Chemically Passivated (C) | ||
Oil | Not Oiled | ||
Zinc | Z30--275 | ||
Thickness tolerances | Normal thickness tolerances | 0.40 < thickness ≤ 0.60 | ± 0.060 |
0.60 < thickness ≤ 0.80 | ± 0.070 | ||
0.80 < thickness ≤ 1.00 | ± 0.080 | ||
1.00 < thickness ≤ 1.20 | |||
Width tolerances | 1200 < width ≤ 1500 | 6 ~ 0 |
Designation | Chemical composition % by mass max. | ||||||
Steel grade | C | Si | Mn | P | S | TI | |
Steel name | Symbols for the types of available coatings | ||||||
DX51D | +Z | 0.18 | 0.5 | 1.2 | 0.12 | 0.045 | 0.3 |
Product name | Hot dipped zinc coated/galvalume steel coil / sheet GI GL Used for making corrugated roofing sheets |
Grade | SGCC,SGCH, SGCD1-SGCD3, SGC340-SGC570, DX51D |
Size | Thickness 0.16mm-1.5mm, width 750mm-1500mm; |
Coil ID | 508/610mm |
Zinc weight | 30g-275g/m2 |
Coil weight | 3-7Tons |
Surface | Unoiled/oiled,Tension levellert skin pass,Anti-fingerprint/fingerprint,spangle |
Spangle | Mini/regular/big/zero spangle |
Delivery time | within 20 days after receipt of T/T or L/C |
Packing | 1. Galvanized metal & waterproof paper around the coil. 2. Both ends are covered with disks. 3. Inner and outer protective steel rings on edges. 4.Four metal strapping bands and circumferential bands to make it stable. |
Application | Making pipes,cold strip-welded pipes,cold-bent shaped-steel,bicycle structures,small-sized press-pieces and household decoration goods,boating |
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Galvanized steel coil are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
oil and gas
Kuaima Steel provides a complete set of equipment and installations for drilling, transportation and storage in the oil and gas industry.
energy
Kuaima Steel serves the entire service cycle of power generation and synchronous activities in design, construction, repair and maintenance.
construction
Kuaima Steel provides comprehensive products and services for infrastructure, bridges, pipelines, etc.
marine
Kuaima Steel is a trusted supplier for subsea to surface operations and shipbuilding operations.
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