Description
Hot-dip galvanized pipe is a common treatment method of steel pipe, its main purpose is to improve the corrosion resistance of steel pipe by galvanizing process. This treatment method can effectively prevent the corrosion of the steel pipe due to contact with various corrosive substances during use, thus extending its service life.
Hot dip galvanized steel pipe is mainly divided into two types: hot dip galvanized and electric galvanized. The main difference between the two methods is the process and effect of galvanizing.
Hot dip galvanizing is a process in which steel pipe is immersed in molten zinc liquid to form a zinc-iron alloy layer on the surface of the steel pipe. The characteristic of this method is that the thickness of the galvanized layer is larger, which can provide better anti-corrosion protection. However, due to the large amount of energy consumed in the hot dip galvanizing process, its production cost is relatively high.
Electrogalvanizing is a method of plating a layer of zinc on the surface of steel pipe using the principle of electrolysis. The advantage of this method is low cost, but the disadvantage is that the galvanized layer is thin and the surface may not be very smooth. Therefore, although the corrosion resistance of galvanized steel pipe is not as good as that of hot-dip galvanized steel pipe, its cost is lower, so it is still widely used in some occasions where the corrosion resistance is not high.
Parameter
Product Name | Galvanized steel pipe standard sizes welded hot dip steel square pipe |
Pipe Process Type | Seamless: Hot dip, Welded: ERW |
Standard | API 5L/ASTM A523/ASTM A252/GB-T8711/BS 6363 etc |
Grades | S235JR,S235JO,S235J2,SS330,SPHC, S185,CS Type B |
Pipe Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
Zinc Coating | 30g-275g/㎡ |
Length | 6M/12M/According to customer’s requirement |
Application | 1. Fence, greenhouse, door pipe,greenhouse |
Package | Bundle;Bulk;Plastic bags ,etc It can be packed according to customer's requirement. |
AFQ
1. Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.
2. Q:what is your delivery time ?
A: Our delivery time is about 5-10 working days, timing according to the number of customers.
3. Q:What is your payment terms?
A: Our usual payment methods are T/T, L/C, payment methods can be negotiated and customized with customers.
4. Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.
5. Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them. No matter where they come from.
6. Q:How about MOQ?
A: The minimum order quantity is 1 Ton.
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Zhishang Steel Co., Ltd
Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···
