309 Stainless Steel Description
309/309s stainless steel is a type of chromium-nickel austenitic stainless steel,with high chromium and nickel content, Alloy 309 and 309S are highly corrosion resistant, have outstanding resistance to oxidation, and excellent heat resistance,often used for higher temperature applications.
309S Stainless steel is a lower carbon version of type 309. Type 309S has a low carbon content, which minimizes carbide precipitation, reduces the risk of sensitization and improves weldability and corrosion resistance.
HNJBL is a professional manufacturer and supplier of SS pipes in different shapes, sizes and dimensions.Stainless pipe is built in seamless, welded, and other forms and comes in round, square, and rectangular shapes,etc.
309 SS Pipe Specification
| Type: | Stainless Steel Pipe |
| Outer Diameter | 6-2500mm,(3/8"-100") |
| Thickness | 0.3-150mm,(SCH10-XXS) |
| Length: | 2000mm,2500mm,3000mm,5800mm,6000mm,12000mm,etc |
| Standard: | ASTM,AISI,JIS,GB,DIN,EN |
| Surface: | BA,2B,NO.1,NO.4,4K,HL,8K,etc |
| Certification: | ISO,SGS,BV |
| Technique: | Cold Drawn,Seamless Tube,Welded pipe |
| Edge: | Mill Edge/Slit Edge |
309 Stainless Steel Chemical Composition
| | C | Mn | Si | P | S | Cr | Ni | Fe |
| 309 | max: 0.20 | 2.0 max | 0.75 max | 0.045 max | 0.03 max | min: 22.0 max: 24.0 | min: 12.0 max: 15.0 | Balance |
| 309H | min: 0.04 max: 0.10 | 2.0 max | 0.75 max | 0.045 max | 0.03 max | min: 22.0 max: 24.0 | min: 12.0 max: 15.0 | Balance |
309 SS Mechanical Properties
Typical Values at 68°F (20°C)
Yield Strength
0.2% Offset | Ultimate Tensile
Strength | Elongation
in 2 in. | Hardness |
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
SS Seamless Pipe Surface Finish
Details:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sand blast,brush.
Multiple specifications are available.
Seamless Pipe End Protection:Plastic Caps
Ends:Plain End, Beveled End, Threaded
Stainless Steel Pipe Show
Stainless Steel Pipe FAQ
Q: What about Stainless steel pipe price information?
A: Negotiation.Prices vary due to changes in raw material prices on a regular basis.
Q: What are your company's main stainless steel products?
A: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.
Q: What are your payment terms?
A: We can accept the TT,LC or Negotiation
Q: How do you control quality?
A: Mill Test Certification is supplied with shipment, Third Party Inspection is available.
Q: Can I pay you a visit at your factory?
A: Customers from all around the world are welcome to visit our factory.
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309/309S Stainless Steel Seamless Pipe And Tube For Elevated Temperature Applications Images
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