
309/309S Stainless Steel Pipe
SKU: HC-1131262963113357312
309 stainless steel is a stainless steel type with incredible corrosion resistance and high temperature performance. It is widely used in fields such as aviation, chemical industry, and petroleum.

Key Features
- ✓Third-Party Inspection Support
- ✓Sufficient Inventory Supply
- ✓International Standard Certification
- ✓Custom Processing Service
Contact Us
- Phone:+86 15052357278
- Email:juniper@hongchen-steel.com
- WhatsApp:+86 15052357278
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Product Description
309 stainless steel is a stainless steel type with incredible corrosion resistance and high temperature performance. It is widely used in fields such as aviation, chemical industry, and petroleum. 309 stainless steel pipe is made of austenitic stainless steel that contains higher chromium and nickel content . 309 stainless steel pipe has excellent corrosion resistance in various corrosive media, including acid, alkali, salt and other solutions, as well as organic solvents. Moreover, it shows good high-temperature strength and creep properties so it can work stably continuously in high-temperature environments. 309 stainless steel pipe can be formed and welded through various processing methods aside from its good processing performance. Lastly, 309 stainless steel is non-magnetic and works for manufacturing parts and components without magnetic requirements.
Product Parameters
| Product Name | 309/309S Stainless Steel Pipe | |
| Type | Steel Pipe | |
| Outer diameter | Round Tube | 4mm-200mm |
| Square Tube | 10*10mm-100*100mm | |
| Rectangular Tube | 10*20mm-50*100mm | |
| Wall Thickness | 0.6mm-6.0mm | |
| Length | 1-6 meters,Length can be customized | |
| Standard | ASTM,AISI,JIS,GB,DIN,EN,etc. | |
| Surface | Black,Bright Polished,Rough Turning,Matt Surface Treatment,No.4. BA,etc. | |
| Scope of Application | Common applications for stainless steel pipes include food processing,Textile operations,Breweries,Water treatment plants,Oil and gas processing,Fertilizers and pesticides,Chemical applications,Construction,Pharmaceuticals,Auto parts,etc. | |
| Certificate | ISO,SGS,BV,etc. | |
| Production Technology | Hot Rolling,Cold Rolling | |
| Edge Processing | Edging,Trimming | |
Chemical Composition
| C | Si | Mn | Cr | Ni | S | P |
|---|---|---|---|---|---|---|
| ≤ 0.08 | ≤ 0.75 | ≤ 2.0 | 22.0~24.0 | 12.0~15.0 | ≤ 0.03 | ≤ 0.045 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥ 515 | ≥ 205 | ≥ 35 | ≤ 217HB |
Physical Performance
| Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10 -6 /°C) | Coefficient of Thermal Conductivity(W/m * K) | Resistivity(ΜΩ. cm) |
|---|---|---|---|---|
| 7.98 | 200 | 14.9 | 15.6 | 78 |