Super Duplex Seamless Stainless Steel Tubes UNS31803 A789 A790
Stainless Steel Tube
We BWSS offer an extensive range of Seamless Pipes to our clients.
We also deal with super duplex pipes. Our stainless steel seamless
pipe was width used in Mining, Energy, Petrochemical, Chemical
Industry, Food plant, Paper plant, Gas and Fluid Industry etc
1 Standard: ASTM A790/A789 PICKLED AND ANEANLED
2 Material: S31803/S31500/S32750 etc
3 OD: 6MM---710MM
4 Certificate: PED, ISO, GB, GOST
5 Producing method: cold drawn and cold rolled
Stainless Steel Seamless Pipe:
1.A999/A999M: Each pipe shall be subjected to the nondestructive electric test
or the hydrostatic test, the pipe of test to be used shall be at
the option of the mfg, unless otherwise specified in the PO.
2. 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
3. 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 less than the permitted in Section 9 of
4. Butt Weld End: According to ANSI B 16.25
5. Pipe Marking: Specified in A999/999M, include “Logo+Standard+SIZE+Heat No.+Lot
6. 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.
7. Packing Mark: SIZE + STEEL GRADE+ QTY OF PIECE/WEIGHT/METRE.
8.MTC: BWSS Official Original MTC paper will be supplied for each order.
We can dealing with a wide range material as following:
TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H,
TP317,TP317L, TP321, TP321H,TP347, TP347H,904L…
Duplex Steel :
Others:TP405,TP409, TP410, TP430, TP439,...
1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501
By Wooden Yoke
By Wooden Case
OUR BWSS PRODUCTION WORKSHOP
The safety in production, quality first.
Specialized production workshop, professional production staff.
Shop the '7 s' principle
The standardized production, the comprehensive treatment
BWSS CHARISMA :
Make development by enlarging scale brand building and
Keep Challenging and Innovation.
Advance manufacturing instruments.
Create perfect quality.
Take strict testing as guarantee, upgrade grade as object.
EXHIBITION AND CUSTORMER SATISFACTORY
APPLICATIONS FIELD :
1. Pipe and Tubes for petrochemical industry
2. Pharmaceutical industry
3. Food industry
4. Aviation and aerospace industry
5. Architectural decoration industry