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TP309 Stainless Steel Tubing are austenitic chromium-nickel ss that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. The lower nickel content of Alloy 309 tubes improves resistance to sulfur attack at high temperatures. The high chromium and nickel content of SUS 309 Pipe & tubes provides comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic Alloy 304.
STAINLESS STEEL 309 SEAMLESS PIPES SPECIFICATIONS
| EFW 309 Pipes & Tubes | 6" NB - 100" NB |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Schedule 5S - Schedule XXS. |
| Length | Single Random, Double Random & Cut Length. |
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL |
| Dimensions | ASTM, ASME and API |
| Size - Seamless 309 Pipes & Tubes | 1/2" NB - 16" NB |
| ERW 309 Pipes & Tubes | 1/2" NB - 24" NB |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
STAINLESS STEEL 309 PIPES PHYSICAL PROPERTIES
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
BS | En | No | Name | ||||
309 | S30900 | - | - | - | - | - | - |
EQUIVALENT GRADES FOR 309 STAINLESS STEEL PIPE
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 310 | 1.4541 | S30900 | SUS 309 | X6CrNiTi18-10 |
| SS 310H | 1.4878 | S30909 | SUS 309H | X12CrNiTi18-9 |
Austenitic Grade 309 Pipes are often used in Furnaces — burners, fans, doors, piping, and recuperators; Fluidized Bed Furnaces — grids, piping, wind boxes; Paper Mill Equipment; Petroleum Refining — catalytic recovery systems, recuperators. These Austenitic Grade 309 Tubes are also used in Power Generation — pulverized coal burners, tube hangers; Thermal Processing — annealing covers and boxes, burners grids, doors, fans, lead pans and neutral salt pots, muffles and retorts, recuperators, walking beams; and Waste Treatment — incinerators, rotary kilns and calciners.
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