Tubes
Certified steel products, dependable supply and application-focused support for industrial buyers.
Industrial tubes are supplied for instrumentation, heat transfer, structural fabrication and precision process applications. Tubes demand closer OD and wall thickness control than general piping, making finish, straightness and dimensional consistency important. Kwality Steel (India) offers seamless, welded, U tubes and instrumentation tubes in grades suited for heat exchangers, condensers, boilers and control panels.
Size Range6 mm OD to 200 mm OD
Wall / Pressure Class0.5 mm to 12 mm
wall
TypesSeamless, Welded, U Tubes,
Instrumentation Tubes
StandardsASTM A213, A269, A249, EN
10216
FinishBright annealed, Polished,
Pickled
Length3 m, 6 m, cut length
Materials Grades
Available in corrosion-resistant, high-temperature and pressure-grade materials for industrial service. Grade selection can be aligned with pressure, temperature, corrosion allowance and client specification.
Stainless Steel 304/304LStainless Steel 316/316LCarbon SteelAlloy
SteelDuplex 2205Super Duplex 2507InconelMonelHastelloyTitanium
Tubes Types
Seamless Tubes
Preferred for boilers, heat exchangers and precision pressure applications.
Welded Tubes
Used in fabrication, condensers, structures and general industrial service.
Instrumentation Tubes
Clean, accurate tubing for control panels, gauges and hydraulic lines.
Dimensions Chart
Tube charts include separate seamless and welded OD based dimensions with wall thickness and approximate weight ranges.
Seamless Tube Dimensions Chart
Reference OD, wall thickness and weight range for seamless stainless steel tubes.
| OD (mm) | Wall 1 (mm) | Wall 2 (mm) | Wall 3 (mm) | Approx Wt kg/m | Remarks |
|---|---|---|---|---|---|
| 6 | 1.0 | 1.5 | 2.0 | 0.13 - 0.20 | Instrumentation / coil |
| 8 | 1.0 | 1.5 | 2.0 | 0.18 - 0.30 | Hydraulic line |
| 10 | 1.0 | 1.5 | 2.0 | 0.23 - 0.40 | Precision tube |
| 12 | 1.0 | 1.5 | 2.0 | 0.28 - 0.50 | Heat exchanger |
| 16 | 1.5 | 2.0 | 2.5 | 0.54 - 0.83 | Instrumentation |
| 19.05 | 1.2 | 1.65 | 2.11 | 0.53 - 0.88 | 3/4 inch OD |
| 25.4 | 1.65 | 2.11 | 3.05 | 0.98 - 1.68 | 1 inch OD |
| 38.1 | 1.65 | 2.77 | 3.05 | 1.50 - 2.64 | Process tube |
| 50.8 | 1.65 | 2.77 | 3.40 | 2.03 - 3.98 | Fabrication tube |
Welded Tube Dimensions Chart
Reference OD, wall thickness and weight range for welded stainless steel tubes.
| OD (mm) | Wall 1 (mm) | Wall 2 (mm) | Wall 3 (mm) | Approx Wt kg/m | Remarks |
|---|---|---|---|---|---|
| 6 | 1.0 | 1.5 | 2.0 | 0.13 - 0.20 | Instrumentation / coil |
| 8 | 1.0 | 1.5 | 2.0 | 0.18 - 0.30 | Hydraulic line |
| 10 | 1.0 | 1.5 | 2.0 | 0.23 - 0.40 | Precision tube |
| 12 | 1.0 | 1.5 | 2.0 | 0.28 - 0.50 | Heat exchanger |
| 16 | 1.5 | 2.0 | 2.5 | 0.54 - 0.83 | Instrumentation |
| 19.05 | 1.2 | 1.65 | 2.11 | 0.53 - 0.88 | 3/4 inch OD |
| 25.4 | 1.65 | 2.11 | 3.05 | 0.98 - 1.68 | 1 inch OD |
| 38.1 | 1.65 | 2.77 | 3.05 | 1.50 - 2.64 | Process tube |
| 50.8 | 1.65 | 2.77 | 3.40 | 2.03 - 3.98 | Fabrication tube |
Applications
Oil & Gas
Reliable performance for demanding fabrication, maintenance and process piping needs.
Petrochemical
Reliable performance for demanding fabrication, maintenance and process piping needs.
Power & Energy
Reliable performance for demanding fabrication, maintenance and process piping needs.
Marine
Reliable performance for demanding fabrication, maintenance and process piping needs.
Chemical
Reliable performance for demanding fabrication, maintenance and process piping needs.
Construction
Reliable performance for demanding fabrication, maintenance and process piping needs.
