Pipes and Tubes
Seamless Pipes
Seamless Pipes are supplied for industrial assemblies where dimensional accuracy, material traceability and corrosion resistance matter. Stellex Overseas offers project-based sourcing with standard and custom size support.
Specification Table
| Size Range | 1/8 inch NB to 24 inch NB, custom OD tubes |
|---|---|
| Dimensions | Metric and imperial sizes, project drawing dimensions available |
| Standards | ASTM A312, A106, A213, A269, API |
| Types | Seamless Pipes, ERW Pipes, Heat Exchanger Tubes |
| Length | Standard, cut length and custom length |
| Finish | Black, bright, pickled, polished, galvanized, PTFE or zinc coated as applicable |
| Testing | MTC, PMI, hardness, tensile and third party inspection on request |
Material Grades
ASTM A312 TP304 / TP316ASTM A106 Gr BASTM A213 T11 / T22Duplex S32205Super Duplex S32750Inconel / Monel
Applications
Oil and gas plants
Chemical processing
Marine and shipbuilding
Power generation
Construction and fabrication
Water treatment systems
Technical Information
Chemical Composition
| Grade | C | Cr | Ni | Mo |
|---|---|---|---|---|
| SS 304 | 0.08 max | 18-20 | 8-10.5 | - |
| SS 316 | 0.08 max | 16-18 | 10-14 | 2-3 |
| Duplex 2205 | 0.03 max | 21-23 | 4.5-6.5 | 2.5-3.5 |
Mechanical Properties
| Grade | Tensile | Yield | Elongation |
|---|---|---|---|
| SS 304 | 515 MPa min | 205 MPa min | 40% min |
| SS 316 | 515 MPa min | 205 MPa min | 40% min |
| Duplex 2205 | 620 MPa min | 450 MPa min | 25% min |