Active Member
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[China]
Address: No.208, Lvdi Road ,Baihe Town, Qingpu District, Shanghai
Contact name: Tobo Pipeline Equipment (Shanghai) Co., Ltd.
Tobo Pipeline Equipment (Shanghai) Co., Ltd. |
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| Characteristic: | High Mechanical Strength,Good Weldability,Good Corrosion Resistance,Low Thermal Expansion | Material Grade: | S31803/S31500/S32750 Etc |
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| Outer Diameter: | 6mm-710mm | Producing Method: | Cold Drawn And Cold Rolled |
| Standard: | ASTM A790/A789 | Surface Finish: | Pickled And Aneanled |
| Type: | Duplex Stainless Steel Pipe / Tube | Wall Thickness: | 2.5mm-50mm |
Quick Detail:
We TOBO GROUP 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
Thickness: 2.5mm---50mm
4 Certificate: PED, ISO, GB, GOST
5 Producing method: cold drawn and cold rolled
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 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: BWSS Official Original MTC paper will be supplied for each order.
Specifications
General corrosion resistance similar or better than 316L, but with a yield strength double of austenitic stainless steel.
UNS 32304 Duplex Stainless Steel Seamless Pipe 1.4362
General Introduction
Grade 2304 is a lean Duplex stainless steel with general corrosion resistance similar or better than 316L, but with a yield strength nearly double that of austenitic stainless steels.
Chemical Composition(%)
| Alloy | 2304 |
| UNS Designation | S32304 |
| Carbon (C) max. | 0.030 |
| Manganese (Mn) max. | 2.50 |
| Phosphorus (P) max. | 0.040 |
| Sulfur (S) max. | 0.030 |
| Silicon (Si) max. | 1.00 |
| Chromium (Cr) | 21.5 - 24.5 |
| Nickel (Ni) | 3.0 - 5.5 |
| Molybdenum (Mo) | 0.05 - 0.60 |
| Nitrogen (N) | 0.05 - 0.20 |
| Copper (Cu) | 0.05 - 0.60 |
| Iron (Fe) | Balance |
Characteristic properties
• High mechanical strength
• Good weldability
• Good corrosion resistance
• High resistance to Stress Corrosion Cracking (SCC)
• Good machinability
• Very good wear and abrasive resistance
• Low thermal expansion
• Good fatigue properties
• Temperature range -40°C to 250°C
Size Available at TOBO GROUP
Pipes
• OD: 6-710.0 mm
• WT: 2.5-50 mm
• Lengths: up to 12 m
Heat exchanger tubes
• OD: 21.3-114.3 mm
• WT: 1.5-3.05 mm
• Lengths: up to 12 m
Applications
• Chloride containing environments
• Welded pipe systems within Pulp and Paper-, Chemical and Petrochemical-, Water Treatment Industries
• Transportation
• Architecture, Building and Construction
• Heat exchanger tubes
