A312/ A312M TP309H S30909 Stainless Steel Pipe Tube Chromiumnickel Austenite
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng steel
Product Description
A312/A312M TP309H S30909 Stainless Steel Pipe Tube
Stainless Steel Pipe Tube A312/A312M TP309H S30909 Used in furnace material
Product Introduction
The corresponding Chinese brand of 309S is 0Cr23Ni13, and the American standard S30908 (American AISI, ASTM). Features and applications: Offers superior corrosion and heat resistance compared to 0Cr19Ni9.
309S is a low-carbon variant of 309 stainless steel designed for welding applications. The reduced carbon content minimizes carbide precipitation in the heat-affected zone near welds, preventing intergranular corrosion (weld decay) in certain environments.
Applications
Primary use: furnace materials. Widely employed in boilers, energy sectors (nuclear power, thermal power, fuel cells), industrial furnaces, incinerators, heating furnaces, chemical processing, petrochemical industries, and other critical applications.
Chemical Composition of 309S (S30908)
| Element | Min | Max |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1 |
| Mn | - | 2 |
| Ni | 9 | 12 |
| P | - | 0.045 |
| S | - | 0.030 |
| Cr | 22 | 24 |
| Mo | - | 0.75 |
Production Specifications
- Name: Stainless Steel Seamless Pipe
- Standard: A213
- Material Grade: S34709
- Diameter: OD: 6-830mm
- Wall Thickness: 0.6mm - 60mm
- Length: Up to 13 meters or custom requirements
- Tolerance: According to standard specifications
- Surface Finishes: Natural annealing & pickling color, 180G, 320G, 400G Satin/Hairline, 400G, 500G, 600G or 800G Mirror finish
- Testing: UT, ET, HT, RT, and other standard tests or customer-specific requirements
Product Packaging
Tensile Requirements - Stainless Steel 310S/310H
- Tensile Strength: 75 KSI
- Yield Strength: 30 KSI
Technical Notes
10-6*K-1 = 10-6/K
1 Ω*mm²/m = 1 μΩ*m
1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
1 GPa = 1 kN/mm2
1 MPa = 1 N/mm2
1 Ω*mm²/m = 1 μΩ*m
1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
1 GPa = 1 kN/mm2
1 MPa = 1 N/mm2
Additional Specifications
- Each pipe undergoes nondestructive electric testing or hydrostatic testing per A999/A999M standard
- Pipe lengths from NPS 1/8" to NPS 8 available up to 24ft (15-24ft range), with custom short lengths available
- Finished pipes are straight with workmanlike finish; imperfection removal by grinding permitted within wall thickness limits
- Butt weld ends conform to ANSI B 16.25 standards
- Pipe marking includes: Logo + Standard + Size + Heat No. + Lot No. + H.T/E.T/U.T
- Packaging includes plastic end caps, anti-rust steel strip bundling, and plastic woven bag or film outer wrapping
- Packing marks indicate: Size + Steel Grade + Quantity/Weight/Meter
- Official BWSS Material Test Certificate provided with each order
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Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN