Place of Origin: | China |
Brand Name: | Torich |
Certification: | IS09001 ISO14001 TS16949 |
Model Number: | A928 / A928M |
Minimum Order Quantity: | 1 TONS |
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Price: | Negotiation |
Packaging Details: | IN BUNDLES OR WOODEN BOX |
Delivery Time: | 30-60DAYS |
Payment Terms: | T/T L/C |
Supply Ability: | 50000 TONS PER YEAR |
Type: | Welded | Steel Grade: | 300 Series |
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A928/A928M Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric
Fusion Welded with Addition of Filler Metal
Electric-fusion-welded Steel Pipe for corrosive service.
Grade:
S31200, S31260, S31500,
S31803, S32003, S32205,
S32304, S32550, S32750,
S32900, S32950, S32760, S32520
Manufacture:
Welding, the joints are fully penetration double-welded or single-welded
Five Classes of pipes are covered :
Class 1 - Pipes shall be double welded by processes using filler metal in all passes and shall be
radiographed completely
Class 2 - Pipes shall be double welded by processes using filler metal in all passes.
No radiograph is required
Class 3- Pipes shall be single welded by processes using filler metal in all passes and
shall be radiagraphed
Class 4 - Same as Class 3, except that the weld pass exposed to the inside pipe surface is permitted to be made without the addition of filler metal
Class 5 - Pipes shall be double welded by processes using filler metal in all passes and shall be spot radiographed
TABLE 1 Heat Treatment
UNS Designation |
GradeA |
Temperature,°F[°C] |
Quench |
S31200 |
… |
1920-2010[1050-1100] |
Rapid cooling in water |
S31260 |
… |
1870-2010[1020-1100] |
Rapid cooling in water |
S31500 |
… |
1800-1900[980-1040] |
Rapid cooling in air or water |
S32205 |
2205 |
1870-2010[1020-1100] |
Rapid cooling in air or water |
S32304 |
2304 |
1700-1920[925-1050] |
Rapid cooling in air or water |
S32550 |
255 |
1900[1040],min |
Rapid cooling in air or water |
S32750 |
2507 |
1880-2060[1025-1125] |
Rapid cooling in air or water |
S32900 |
329B |
1700-1750[925-955] |
Rapid cooling in air or water |
S32950 |
… |
1820-1880[990-1025] |
Rapid cooling in air or water |
A Except as indicated, common name, not a trademark, widely used, not associated with any one producer.
B A grade designation originally assigned by the American Iron and Steel Institute (AISI).
Reference Documents:
ASTM Standard:
A 240/A 240M Specification for Chromium and
Chromium-Nickel Stainless Steel Plate, Sheet, and Strip
for Pressure Vessels and General Applications
A 480/A 480M Specification for General Requirements for
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
Sheet, and Strip
A 941 Terminology Relating to Steel, Stainless Steel, Related
Alloys, and Ferroalloys
A 999/A 999M Specification for General Requirements for
Alloy and Stainless Steel Pipe
E 426 Practice for Electromagnetic (Eddy-Current) Examination
of Seamless and Welded Tubular Products, Austenitic
Stainless Steel and Similar Alloys