With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welded pipe manufacturer in China. Annual sales reached $15 billion. Yuantai Derun has 59 black ERW pipe production lines, 10 galvanized pipe production lines and 3 spiral welded pipe production lines. Square pipe 20 * 20 * 1mm to 500 * 500 * 40MM, rectangular steel pipe 20 * 30 * 1.2mm to 400 * 600 * 40MM, spiral pipe Ø 219-1420mm can be made of steel grades from Q (s) 195 to Q (s) 345B / gr.a-gr.d. Yuantai Derun can produce square rectangular tubes according to ASTM A500, JIS g3466, en10219, din2240 and as1163. Yuantai Derun has the largest square rectangular tube inventory in China, which can meet the direct purchasing demand of customers.
Welcome everyone to cantact Yuantai Derun,E-mail:
sales@ytdrgg.com, and Real time connection inspection plant or factory visit！
| roduct Name |
Spiral welded steel pipe |
| Standard |
API 5L psl1/psl2, ISO3183, BDIN2458, ASTM A139, A252, EN10219/EN10217, KS F4602, KS D3583 etc. |
| Sizes |
8" to 138" |
| Thickness |
4mm to 25.4mm |
| NDT Test |
UT, RT, hydrostatic, |
| Beveled Edges |
30DEG,(-0, +5) |
| Length |
max.24meters, |
| Surface treatment |
Black painted/3PE/3PP/FBE/galvanizing etc. |
| Hot Expanded Ends |
Available |
| Packing |
Loosed PCS/nylon rope(for the coating pipes) |
| Transportation |
by 20/40FT containers or by bulk vessels as per conditon |
| Pile shoe |
OEM(for piling) |
| Mill Test Certificate |
EN 10204/3.1, 3.2 |
| Third party inspection |
SGS/BV/ITS |
| Payment Term |
TT, LC at sight, DP etc. |
| Application |
water/fluid transportation, piling, structural supports, dredging etc. |