ISO 14001:2015
Oil & Gas
Mission-critical control lines and subsea hydraulic systems for upstream refineries.
High Precision, Heat Exchanger & Boiler Seamless U-Tube
Custom-engineered seamless U-tubes combining precision manufacturing with dependable industrial performance.
High Precision, Heat Exchanger & Boiler Seamless U-Tube
Custom-engineered seamless U-tubes combining precision manufacturing with dependable industrial performance.
Why Our Products Stand Out
Superior surface finish and controlled dimensions support efficient heat transfer, smooth fluid flow, and long-term operational reliability.
Core Technical Parameters
Our manufacturing range covers all major industrial standards, ensuring compatibility with globally recognized instrumentation brands.
- Outside Diameter
- 12.7 mm to 60.3 mm
- Wall Thickness
- 0.71 mm to 3.5 mm
- Length
- Custom requirements — enquire with our team.
- Standard Specifications
- EN 10216-5, ASTM/ASME A/SA 213, ASTM/ASME A/SA 668, ASTM/ASME A/SA 789
Customise Your Steel Tubes & Pipes
Every application has unique requirements. We offer a wide range of customisation options to ensure your tubes and pipes meet your exact specifications. Explore the tabs below to compare available configurations and select the right combination for your project.
Material Grade Table
A comprehensive selection of austenitic and duplex stainless steel grades to match your system’s corrosion resistance requirements.
| AUSTENITIC | SUPER AUSTENITIC | NICKEL ALLOYS |
|---|---|---|
| TP 304 / TP 304L / 1.4301 / 1.4307 | TP 904L / UNS N08904 / 1.4539 | Monel 400 / 2.4360 / Alloy 400 |
| TP 304H / 1.4948 | TP 304LN / 1.4311 | 6600 / 2.4816 / Alloy 600 |
| TP 1.4306 | TP 316LN / 1.4406 | 6625 / 2.4856 / Alloy 625 |
| TP 310 / TP 310S / 1.4845 | 8800 / 1.4876 / Alloy 800 | |
| TP 316 / TP 316L / 1.4401 / 1.4404 | DUPLEX & SUPER DUPLEX | 8810 / 1.4876 / Alloy 800H |
| TP 316 / 316L (MIN. 2.5% mo) | UNS S31803 | 8825 / 2.4858 / Alloy 825 |
| TP 316H / 1.4918 | UNS S32205 / 1.4462 | FERRITIC & MARTENSITIC |
| TP 316Ti / 1.4571 | UNS S32304 / EN 1.4362 | TP 405 / 1.4002 |
| TP 317 / TP 317L / 1.4438 | UNS S32750 / 1.4410 / Super Duplex F53 | TP 410 / 1.4006 |
| TP 321 / TP 321H / 1.4541 / 1.4878 | UNS S32760 / 1.4501 / Super Duplex 25CR | |
| TP 347 / TP 347H / 1.4550 / 1.4912 |
Tubing Dimension Chart
Tubing dimensions: wall thickness by gauge (SWG and BWG), followed by outside diameters in fractional inches, decimal inches and millimetres.
| Gauge | 22 | 20 | 19 | 18 | 14 | 13 | 12 | 10 | 8 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wall Thickness in mm | SWG | 0.711 | 0.914 | 1.018 | 1.219 | 2.032 | 2.337 | 2.642 | 3.251 | 4.064 | ||
| BWG | 0.711 | 0.889 | 1.067 | 1.245 | 2.108 | 2.413 | 2.769 | 3.404 | 4.191 |
| Outside Diameter | Inch | 1/4 | 5/16 | 3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.25 | 0.31 | 0.37 | 0.50 | 0.62 | 0.75 | 0.87 | 1.00 | 1.12 | 1.25 | 1.37 | ||
| mm | 6.35 | 7.95 | 9.52 | 12.70 | 15.87 | 19.05 | 22.22 | 25.40 | 28.57 | 31.75 | 34.92 | |
| Inch | 1-1/2 | 1-3/4 | 2 | 2-1/4 | 2-3/8 | 2-1/2 | 2-7/8 | 3 | 3-1/2 | 4 | ||
| 1.50 | 1.75 | 2.00 | 2.25 | 2.37 | 2.50 | 2.87 | 3.00 | 3.50 | 4.00 | |||
| mm | 38.10 | 44.45 | 50.80 | 57.15 | 60.32 | 63.50 | 73.02 | 76.20 | 88.90 | 101.60 |
Pipe Sizing Table
S.S. piping dimensions: nominal pipe size, outside diameter and nominal wall thickness by schedule. Outside diameter and wall thickness values are in millimetres.
| Inch | NB | OD (mm) | SCH 5S | SCH 10S | SCH 40S | SCH 80S | SCH XS | SCH XXS |
|---|---|---|---|---|---|---|---|---|
| 1/8 | 6 | 10.3 | - | 1.24 | 1.73 | 2.41 | - | - |
| 1/4 | 8 | 13.7 | - | 1.65 | 2.24 | 3.02 | - | - |
| 3/8 | 10 | 17.1 | - | 1.65 | 2.31 | 3.20 | - | - |
| 1/2 | 15 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | 3.73 | 7.47 |
| 3/4 | 20 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | 3.91 | 7.82 |
| 1 | 25 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | 4.55 | 9.09 |
| 1 1/4 | 32 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | 4.85 | 9.70 |
| 1 1/2 | 40 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | 5.08 | 10.15 |
| 2 | 50 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | 5.54 | 11.07 |
| 2 1/2 | 65 | 73.0 | 2.11 | 3.05 | 5.16 | 7.01 | 7.01 | 14.02 |
| 3 | 80 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | 7.62 | 15.24 |
| 3 1/2 | 90 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | 8.08 | - |
| 4 | 100 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | 8.56 | 17.12 |
| 5 | 125 | 141.3 | 2.77 | 3.40 | 6.55 | 9.53 | 9.53 | 19.05 |
| 6 | 150 | 168.3 | 2.77 | 3.40 | 7.11 | 10.97 | 10.97 | 21.95 |
| 8 | 200 | 219.1 | 2.77 | 3.76 | 8.18 | 12.70 | 12.70 | 22.23 |
| 10 | 250 | 273.1 | 3.40 | 4.19 | 9.27 | 12.70 | 12.70 | 25.4 |
| 12 | 300 | 323.8 | 3.96 | 4.57 | 9.53 | 12.70 | 12.70 | 25.4 |
Applications
Our tubing is deployed in some of the most challenging industrial environments globally, ensuring safety and operational reliability.
Aerospace
Ultra-lightweight high-strength fuel and hydraulic lines meeting aviation safety specs.
Chemical Process
Acid-resistant instrumentation lines for hazardous fluid transport and analysis.
Power Generation
Boiler instrumentation and heat exchanger tubing for thermal and nuclear facilities.