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Duplex Tubes Specification
| Tubes Specifications | ASTM A213, A269 / ASME SA213, SA269 |
|---|---|
| Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| ASTM A213 Seamless Tube Size | 1 / 2" NB - 16" NB |
| ASTM A213 Welded Tube Size | 1 / 2" NB - 24" NB |
| ASTM A269 EFW Tube Size | 6" NB - 24" NB |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Duplex steel 2205 Tubes Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Duplex Tube Manufacturing Techniques | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
| Duplex Tube Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Ferritic Stainless Steel Tubes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Delivery Condition of Duplex steel Tube | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
| Marking | Specification Grade Nominal Tube Sizes Tube Schedule or Wall Thickness Manufacturing Method (Seamless / Welded) Heat Number Manufacturer’s Name or Custom Logo - on request Marked Tube Sample: ANSI B36.19 ASTM A 213 12" NB SCH 40S SEAMLESS HEAT NO. XXXX |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Duplex Tubes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Packing of Duplex Tubes | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
| Specials | Sizes and Specifications other than above can be on request |
Outside Diameter, OD (in mm) & Wall Thickness, WT (in mm) of Duplex Tubes
| Product Description | Outside Diamter, OD (in mm) | Wall Thickness, WT (in mm)> |
|---|---|---|
| Duplex Round Tube | 6mm – 630mm | 0.5mm-30mm |
| Duplex Square Tube | 12.7mm* 12.7mm to 300mm* 300mm | 0.5mm-30mm |
| Duplex Rectangular Tube | 10*20mm to 100*200mm | 0.5mm-30mm |
| Duplex Colour Coated Tube | 6mm to 630mm | 0.5mm-30mm |
| Duplex Ornamental Tubes | 12.7mm to 76.2mm | 0.5mm-2.0mm |
| Duplex Electropolished Tubes | 12.7mm to 250mm | 0.5mm-30mm |
| Duplex Slot Round Tube | 12.7mm to 76.2mm | 0.5mm-2.0mm |
| Duplex Triangle Tube | 16mm to 85mm | 0.5mm-3.0mm |
| Duplex Hexagonal Tubes | 13mm to 85mm | 0.5mm-2.0mm |
| Duplex U Shaped Tube | 20mm to 200mm | 0.5mm-2.0mm |
| Thin-Wall Duplex Tubes | 22mm*0.7mm to 108mm*2.0mm | 0.5mm-2.0mm |
| Inner/Outside Polished Duplex Tubes | 12.5mm to 203.2mm | 1.0mm – 5mm |
| Duplex Seamless Tubes | 6mm to 430mm | 0.8mm – 30mm |
| Duplex Capillary Tubes | 0.28mm to 10mm | 0.08mm – 1.2mm |
ASTM A213 / A269 Duplex Tubing Forms & Availability
| Products | Size | |
| ASTM A213 Duplex steel Square Tube | ASTM A213 Duplex steel High Pressure Tubing | Sizes 3.35 mm OD To 101.6 mm OD |
| ASTM A213 Duplex steel Exhaust Tube | ASTM A269 Duplex Flexible Tube | |
| ASTM A213 Duplex Instrumentation Tube | ASTM A269 Duplex steel Rectangular Tube | |
| ASTM A213 Duplex steel Round Tube | ASTM A269 Duplex steel Sanitary Tubing | |
| ASTM A213 Duplex Heat Exchanger Tubes | ASTM A213 Duplex U Shaped Tubing | |
| ASTM A269 Duplex steel Triangle Tubes | ASTM A213 Duplex Threaded Tube | |
| ASTM A213 Duplex Seamless Tube | ASTM A269 Duplex ERW Tubes | |
| ASTM A269 Duplex steel Welded Tubes | ASTM A269 Duplex steel Electric Resistance Welded Tubing | |
| ASTM A269 Duplex steel Coiled Tubing | ASTM A213 Duplex steel Structural Steel Furnace Tubing | |
Application Industries
| Off-Shore Oil Drilling Companies | Power Generation |
| Petrochemicals | Gas Processing |
| Specialty Chemicals | Pharmaceuticals |
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Condensers | Pulp and Paper Industry |