WELDED TUBE, WELDED PIPE SUPPLIER IN CHINA
As known as China stainless steel tube and pipe manufacturer, Dingshang Stainless has the over 15-year experience and focuses on production technologies and quality control. We offer a wide range of stainless steel products based on standards and quality management system, such as tubes, pipes, and fittings, with a large range of sizes and dimensions, As an ISO 9001:2015 and PED 2014/68/EU certified company, we guarantee our products high grade and consistently offer quality products and services.
Our welded tube manufacturing process begins with cold rolled strip of metal, roll-formed into a tubular shape and seam welded without the use of any filler material. The welded tube is then reduced in size a number of times through various rollers until reaching the exact size, and tolerances. bright annealing or pickling finish.
Standards
ASTM A249/ASME SA249, ASTM A269, ASTM A270, ASTM A312/SA312, ASTM A554, ASTM A789/SA789,
EN10217-7, EN10296-2, EN 10357
Alloys
TP304, TP304L, TP310S, TP316, TP316L, TP316Ti, TP321, TP347, 904L, S31803
1.4301, 1.4306, 1.4845, 1.4401, 1.4404, 1.4571, 1.4541, 1.4550, 1.4539, 1.4462
Optional processing
Heat treatments
Pickling
Outer surface brushing
Inner and outer surface polishing
Inner and outer surface mirror polishing
Bead rolling or weld seam removing
Customer defined tolerances
Cut to length
Customer defined marking
Tubes individually sleeved
Special packaging
