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
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
High resistance to stress corrosion cracking in chloride-bearing
Good resistance to general corrosion and pitting
UNS 31500 is a duplex (austenitic-ferritic) stainless steel
characterized by the following properties:
- High resistance to stress corrosion cracking (SCC) in
- Good resistance to general corrosion and pitting
- High mechanical strength – roughly twice the proof strength of
- Good resistance to erosion corrosion and corrosion fatigue
- Physical properties that present design advantages
- Good weldability
- UNS S31500
- EN number 1.4424
- EN name X2CrNiMoSi18-5-3
- W.Nr. 1.4417
- DIN X 2 CrNiMoSi 19 5
- SS 2376
- AFNOR Z2 CND 18.05.03
Stainless Steel Pipe:
1.Material: S31803/S31500/S32750 ETC
2.O.D: 6mm-710mm , 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
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
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: 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
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