Welded Coiled Tubing
Austenitic / Duplex Steel / Nickel Alloy / Cobalt Alloy
1 . Our company has been dedicated to producing seamless coiled tubing since 2014 , owning complete producing technology and abundant managing experience .
2 . The raw material such as mother tube , round bar we use is from Chinese biggest and well-known steel mill : Walsin , Yongxing etc .
3 . We have advanced NDT equipments for the tests such as Eddy Current test , Ultrasonic test , Hydraulic test and so on .
4 . We have ISO 9001 and PED certificate , and the Third Party Inspection Certificates such as TUV , BV , Lloyd's , SGS , etc , also can be provided according to customers' requirements .
1.4404 / 1.4306 / 1.4407 ASTM A213 Stainless Steel Seamless Coiled Tube For Fuild And Gas Industry
1 . Our company has been dedicated to producing seamless coiled tubing since 2014 , owning complete producing technology and abundant managing experience .
2 . The raw material such as mother tube , round bar we use is from Chinese biggest and well-known steel mill : Walsin , Yongxing etc .
3 . We have advanced NDT equipments for the tests such as Eddy Current test , Ultrasonic test , Hydraulic test and so on .
4 . We have ISO 9001 and PED certificate , and the Third Party Inspection Certificates such as TUV , BV , Lloyd's , SGS , etc , also can be provided according to customers' requirements .
5 . Iron case package which is strong and suitable for sea transportation is our main method to pack the tubing . And the economical packing method such as packed in bundles is also welcomed by some customers .
6 . The tolerance control is strictly accordance to produce standards . Our products are always satisfied with customers . Customers purchased our products created more profits .
7 . The surface condition is one of our main advantages : in order to meet different requirements for surface condition , we have annealing and pickling surface , bright annealing surface , polished surface etc .
ASTM A213 / A213M Chemical Composition :
| Elements | 304L(wt%) S30403 | 304(wt%) S30400 | 316L (wt%) S31603 | 316 (wt%) S31600 |
| (C) Carbon, max | 0.035 | 0.08 | 0.035 | 0.08 |
| (Mn) Manganese, max | 2 | 2 | 2 | 2 |
| (P) Phosphorus, max | 0.045 | 0.045 | 0.045 | 0.045 |
| (S) Sulfur, max | 0.03 | 0.03 | 0.03 | 0.03 |
| (Si) Silicon, max | 1 | 1 | 1 | 1 |
| (Ni) Nickel | 8.0 - 12.0 | 8.0 - 11.0 | 10.0 - 14.0 | 10.0 - 14.0 |
| (Cr) Chromium | 18.0 - 20.0 | 18.0 - 20.0 | 16.0 - 18.0 | 16.0 - 18.0 |
| (Mo) Molybdenum | N/A | N/A | 2.0 - 3.0 | 2.0 - 3.0 |
| (Fe) Iron | Bal. | Bal. | Bal. | Bal. |
| (Cu) Copper | N/A | N/A | N/A | N/A |
| (N) Nitrogen | N/A | N/A | N/A | N/A |
Manufacturing Experience
Plant Area
Max Diameter of Welded Pipe
Annealing Furnace Length
Nickel Alloy
NI-MO: N10001,N10665,N10675...
NI-CR-MO: N10276,N06022,N06035,N06455,N06002...
NI-CR-MO-CU: N06030,N06200,N08031,N08825,N08020...
NICR-MO-W: N06230...
NICKEL: N02200,N02201...
NI-CU: N04400,N05500...
NI-CR-FE: N06600,N06601,N06690,N08800,N08810,N08811...
NI-CR-MO-NB: N06625,N07718...
Austenitic
304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L...
Duplex Steel
31803, 32205, 32750, 32760...
Cobalt Alloy
Alloy 188/ UNS R30188, Alloy L-605/ UNS R30605, Alloy S-816, Alloy 6B, UMCo50, FSX-414, MP-159...
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