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Accurate Engineering is one of the largest 309 Stainless Steel Tubing Manufacturers in India, which is superior to 304 stainless in both strength and corrosion resistance. 309 SS Pipe is known for good strength and oxidation resistance in continuous service temperatures up to 2000 Degree F (1093 Deg C). SS UNS S30900 Pipe and Tubes do not react to heat treatment. Strength and hardness of Alloy 309 Pipe & Tubes can be increased by cold working. Alloy 309 Tubes & Pipes cannot be hardened through heat treatment because it consists solely of austenite at room temperature. SS Din 1.4301 Seamless Tubing and SS DIN 1.4828 pipes have higher tensile and yield strengths that can be obtained through cold working and not followed by full annealing are not stable at the higher temperatures where these alloys are used. Alloy 309 tubes and Pipe are essentially nonmagnetic as annealed and become slightly magnetic when cold worked. Buy TP309 Stainless Steel Pipe, Stainless Steel 309 ERW Tubes, SS UNS S30908 Seamless Pipe, DIN 1.4833 Pipe, SS 309 Welded Tubes, 309 EFW tubes at reasonable cost from us.
Stainless Steel 309 Tube
Stainless Steel 309 Seamless Pipe
Stainless Steel 309 Welded Tube
| 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 |
Properties :
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.
Applications :
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.
Origin & Make :
We Supply Stainless Steel 309 Pipe & Tubes of various origins and companies like Nippon Steel & Sumitomo Metal, Sandvik, Sanyo Special Steel, Kobe Steel, Schoeller Bleckmann, Salzgitter Mannesmann Stainless Tubes, Tubacex, etc.
| NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
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1/8″
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1/4″
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3/8″
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1/2″
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3/4″
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1″
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1 1/4″
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1 1/2″
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2″
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2 1/2″
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3″
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4″
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5″
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6″
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The below table shows the chemical composition of the used for SS Tube:
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
309 |
min. |
- |
- |
- |
- |
- |
18.0 |
- |
8.0 |
- |
max. |
0.20 |
2 |
1 |
0.045 |
0.030 |
23 |
14 |
- |
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Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
309 |
620 |
310 |
45% |
85 |
169 |
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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BS |
En |
No |
Name |
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309 |
S30900 |
- |
- |
- |
- |
- |
- |
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 310 | 1.4541 | S30900 | SUS 309 | X6CrNiTi18-10 |
| SS 310H | 1.4878 | S30909 | SUS 309H | X12CrNiTi18-9 |
| Stainless Steel 309 Pipe | Stainless Steel 309 Tubes |
| AISI 309 Seamless Pipes Dealer | ASTM A269 TP 309 Stainless Steel Seamless Tubes |
| AISI 309 Welded Pipe Supplier | ASTM A213 TP309 Stainless Steel Seamless Tubes |
| SS UNS S30900 Pipe | AISI 309 Schoeller Bleckmann Seamless Tube |
| Nippon Steel Make SS TP 309 Pipes | Salzgitter Mannesmann AISI 309 welded Tube |
| SS DIN 1.4828 Pipes Manufacturer | ASTM A358 TP 309 SS EFW Pipes |
| SS TP309 Seamless Pipes | SS TP309 Sanyo Special tubes |
| SS TP309 Welded Pipe | SS 309 Seamless Tubing |
| AISI Kobe TP309 ERW Pipes | ASTM A249 TP 309 SS Welded Tubes |
| ASTM A312 TP 309 SS Seamless Pipes | ASTM A312 TP 309 SS Welded Pipes |
| SS TP309 Rectangular Tubes | TP 309 SS Capillary Tubing Stockholder |
| SS TP 309 Rectangular Pipes | ASME SA312 SS TP 309 Square Pipes Stockist |
| ASME SA312 SS TP 309 ERW Pipes Exporter | TP 309 SS Square Tubing Distributor |
These SS 309 Tube are sold to a wide range of industries/markets, due to their overall corrosion resistance and good machinability: