Galvanized pipes are divided into hot galvanizing and electric galvanizing. The hot galvanizing zinc coating is thick and has the advantages of uniform coating, strong adhesion and long service life. The cost of galvanization is low, the surface is not very smooth, and its corrosion resistance is much worse than that of hot-dip galvanized pipe.
Hot galvanized steel pipe
The complex physical and chemical reactions between the steel pipe substrate and the molten plating solution form a corrosion resistant zinc-iron alloy layer with compact structure. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, it has strong corrosion resistance.
Cold galvanized steel pipe
The zinc layer is an electroplating layer, which is separated from the steel pipe substrate. The zinc layer is relatively thin, and it is easy to fall off because it is simply attached to the steel pipe substrate. Therefore, its corrosion resistance is poor. In newly built houses, it is forbidden to use cold galvanized steel pipes as water supply pipes.
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.
Name | Galvanzied Steel Pipe |
Surface | Galvanized (40-60g/m2 usual,can be request by customer) |
Material | Q195,Q215,Q235 |
MOQ | 5 tons for normal size and material |
WT | 0.3-2.2mm |
Payment terms | TT deposit +BL copy / LC or 100% LC at sight |
Trade terms | FOB,C&F,CIF,EXW |
Length | fixed or random,as customer request. |
End Treatment | Palain(can be threaded,punch,shrink,extension... ) |
Lead time | within 7 days from stock with 6m length (stock pipe with our factory name in Chinese),20-25 days for customized pipe according to the qty |
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Galvanized steel pipes 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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