Q235 Astm A53 B Xs Sch 120 Erw Boiler Tubes Seamless

ASTM A53 B Xs Sch 120 Carbon Steel Seamless ERW Steel Pipe

　　For pipes or tubes size 4 inch (10.2mm) OD and below, strip is fed into a set of forming rolls which consists of horizontal and vertical rollers so placed as to gradually from the flat strip in to a tube which is then allowed to pass the welding electrodes. The electrodes are copper disks connected to the secondary of a revolving transformer assembly. The copper disk electrodes make contact on each side of the seam and temperature is raised to the welding point. Outside flash is removed by a cutting tool as the tube leaves the electrodes, inside flash is removed either by an air hammer or by passing a mandrel through the welded tube after the tube has been cooled. This is termed as Electric Resistance Welded or ERW tube/pipe.

Product Description

Parameters Of ERW Steel Pipe

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FAQ

　　Q:Can you accept a trial order only for several tons?
　　A:We can ship the regular specifications with LCL service.

　　Q: Do you provide free samples?
　　A: Yes, we could offer the sample for free, with the cost of freight paid by customer.

　　Q:How long is your delivery time?
　　A:Generally it is 7-10 days if goods are in stock or as your order requirement.

　　Q:How can you guarantee what I got will be good ?
　　A: We are factory with 100% pre delivery inspection which guarantee the quality.

　　Q:What is your terms of payment?
　　A: Payment<=8000USD, 100% in advance.
　　Payment>=8000USD, 30% T/T in advance ,balance before shippment. Or L/C at sight (For big order, LC at 30-90days can be acceptable)

　　Established in 1989, Hebei Shengtian Pipe-Fitting Group Co., Ltd. located in Mengcun County Hebei Province China, covering a land area of 100,000 square meters, with a workshop of 25,000 square meters and registered capital of 110 million RMB. Our company has a strong staff team. There are over 360 employees, including over 30 professionals and technicians.

　　We are capable of manufacturing various pipe fittings. Our main products scope: steel elbow, tees, bends, reducers, caps, forged flanges and sockets. We have been in this line for over 20 years. Our products are exported to many countries and regions, such as Southeast Asia, the Middle East, Europe and America etc. Our pipes and pipe fittings enjoy a good reputation in domestic and foreign markets. Every year, hundreds of foreign visitors and innumerable domestic visitors come to our company for business cooperation.

　　We have first-class inspection devices, perfect detecting means and well-trained specialists. And we stick to ISO9000:2000 quality system and efficiently control procedure in production. We have confidence that we can supply the best quality products. We would like to take responsibility for any quality uncertainty. Even so, our price is competitive. Besides, we can provide the best service to you.

　　In order to avoid the policy of the anti-dumping duties imposed on pipe & fittings from the Europe, United States and other countries, We can re-export through other countries like Malaysia, etc, to circumvent the anti-dumping duties, which could make you to win more competitive price .

　　Our products are in compliance with many international standards

　　Pipe Standard: ASTM A53,A106,API 5L,ASME B36.10M---1996.

　　Pipe-Fittings Standard: ANSI B16.9/16.28,DIN 2605 / 2616,JIS P2311 / 2312,GOST.

　　Flange Standard: ANSI B16.5,DIN Series,JIS Series,GOST Series.

　　KEYWORD: butt welded pipe fittings,ANSI B16.9 pipe fittings,seamless pipe fitting.