Duplex stainless steel pipe:
1. Material: S31803/S31500/S32750 ETC
2. O.D: 6mm-2020mm , Thickness:2.5-50mm
3. A999/A999M: Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test, the Thpe of test to be used shall be at the option of the mfg, unless otherwise specified in the PO.
4. The Pipe lengths : Unless otherwise agreed upon, all size from NPS 1/8" TO AND INCLUDING nps 8 are available in a length up to 24ft with the permitted range of 15 to 24 ft. Short length are acceptable and the number and min, length shall be agreed upon between mfg and purchaser.
5. The finished pipe shall be reasonably straight and shall have workmanlike finish, Removal of imperfections by grinding is permitted, provided the W.T are not decreased to the lenss than the permitted in Section 9 of Specification A999/A999M
6. Butt Weld End: According to ANSI B 16.25
7. Pipe Marking: Specified in A999/999M, include "Logo+Standard+SIZE+Heat No.+Lot No.+H.T/E.T/U.T"
8. Packing: Each Pipe end is protected by Plastic cap. Then packed by Anti-rust steel strip, The outside of the bundle is plastic woven bag, or Plastic film.
9. Packing Mark: SIZE + STEEL GRADE+ QTY OF PIECE/WEIGHT/METRE.
10. MTC: GANYEAH Original MTC paper will be supplied for each order.
We can dealing with a wide range material as following:
Duplex stainless steel pipe material grade:
American Standard | Austenitic Steel: TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H, TP317,TP317L, TP321, TP321H,TP347, TP347H,904L… Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760 Others:TP405,TP409, TP410, TP430, TP439,... |
Europen Standard | 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501 |
Russia Standard | 08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ |
Duplex stainless steel pipe Inspection & Test |
1. 100% PMI, Spectro Chemical Analysis Test for Raw Material |
2. 100% Dimension & Visual Examination |
3. Mechanical Properties Test Include Tension Test, Flattening Test,Flange Test, Hardness Test ,Reversed Flattening Test |
4. 100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
5. Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor) |
6. Straightness Test (optional) |
7. Roughness Test (optional) |
8. Intergranular Corrosion Test(optional) |
9. Impact Test (optional) |
10. Grain Size Determinations (optional) |
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |
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