AP Finished Seamless Stainless Steel Pipe ASTM A312 AISI304 304L 316L SS Pipe
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 purchaser.
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 Specification A999/A999M
4. Butt Weld End: According to ANSI B 16.25
5. Pipe Marking: Specified in A999/999M, include “Logo+Standard+SIZE+Heat No.+Lot No.+H.T/E.T/U.T”
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.
Quick Detail:
| Standard Specification | ASTM A312,A213,A249,A269,A270A789,A554,A790,etc. |
| Material | 304,304L,309S,310S,316L,317L,321,,347,347H,2205 etc. |
| Outer Diameter | 6mm to 325mm |
| Wall Thickness | 0.5mm to 25mm |
| Length | 6m, 12m, 18m |
| Type | Round Pipe |
Specifications
Designation: A312/A312M-04a
Standard specifications For Seamless,Welded,And Heavily Cold Worked Austenitic
Stainless Steel Pipe
| Specification covers | Seamless,straight-seamless welded, and heavily cold worked austenitic stainless steel pipe |
| Manufacture Process | Seamless (SML) Pipe |
| Diameter Tolerance | +/-1% |
| Permitted Variations In Wall Thickness | Tolerance,% from Nominal NPS Designator Over Under 1/8 to 21/2 inc., all t/D ratios 20 12.5 3 to 18 inc., t/D up to 5% incl. 22.5 12.5 3 to 18 inc., t/D over 5% 15 12.5 20 and larger,welded,all t/D ratios 17.5 12.5 20 and larger,seamless,t/D up to 5% incl. 22.5 12.5 20 and larger,seamless,t/D over 5% 15 12.5 Where: t = Nominal Wall Thickness D = Ordered Outside Diameter |
| Inspection item | - Size(outside,wall,length);
- 2.Surface of Pipe;
- Chemical Composition;
- 4.Mechanical Testing
- Hydro-static Or Nondestructive Electric Test
- ICT(Inter-granular Corrosion Test) etc.
|
| Ordering Information | - Quantity(feet,meters, or number of lengths)
- Steel Grade
- Size(outside diameter,nominal wall thickness,length)
- Test report requirements etc.
|
Our advantage
- Competitive price with good quality
- Soonest delivery days (Big enough stock 304L Seamless Pipe in warehouse)
- Good quality control system
- Good after sales services
- Good package
