High precision and heat exchanger tubes are essential components in various high-performance industrial systems, each serving specialized functions. High precision tubes are manufactured through cold-drawing processes that ensure tight dimensional tolerances, smooth surface finishes, and excellent mechanical properties. These tubes are commonly used in applications that demand high accuracy and consistency, such as hydraulic systems, fuel injection components, medical instruments, and precision engineering assemblies. Their superior formability and surface quality also make them ideal for machining and automated manufacturing environments.
These tubes are typically produced in accordance with international standards like DIN 2391, EN 10305, and ASTM A519, ensuring compatibility and performance across global markets.Heat exchanger tubes, on the other hand, are specifically engineered for efficient heat transfer in thermal systems such as boilers, condensers, evaporators, and shell-and-tube heat exchangers.
| Parameter | Specification |
|---|---|
| Manufacturing Type | Cold Drawn Seamless / Welded (High Precision Tubes); Seamless / Welded / U-Bent (Heat Exchanger Tubes) |
| Outer Diameter (OD) | 4 mm to 80 mm (High Precision Tubes); 6 mm to 50.8 mm (1/4" to 2") (Heat Exchanger Tubes) |
| Wall Thickness | 0.5 mm to 10 mm (High Precision Tubes); 0.7 mm to 5 mm (Heat Exchanger Tubes) |
| Length | Up to 12 meters (custom lengths available) (High Precision Tubes); Up to 24 meters straight; U-bend radius per design (Heat Exchanger Tubes) |
| Surface Finish | Bright Annealed, Phosphated, Oiled, Pickled (High Precision Tubes); Bright Annealed, Pickled, Polished (Heat Exchanger Tubes) |
| Tolerances | OD ±0.05 mm; WT ±10% (EN 10305 / DIN 2391) (High Precision Tubes); OD ±0.1 mm; WT ±10% (ASTM A213 / A179) (Heat Exchanger Tubes) |
| Operating Pressure | Up to 6000 psi (varies by material and size) (High Precision Tubes); Designed as per system requirement (Heat Exchanger Tubes) |
| Temperature Range | -40°C to +400°C (High Precision Tubes); -196°C to +650°C (material dependent) (Heat Exchanger Tubes) |
| Applicable Standards | EN 10305-1/2, DIN 2391, ASTM A519, ISO 8535-1 (High Precision Tubes); ASTM A213, A179, A192, B111, EN 10216-2, ASME SA213, TEMA (Heat Exchanger Tubes) |
| Testing | Eddy Current, Hydrostatic, Flattening, Flaring, NDT (High Precision Tubes); Hydrostatic, Pneumatic, Eddy Current, NDT, PMI (Heat Exchanger Tubes) |
| End Types | Plain, Chamfered, Threaded (on request) (High Precision Tubes); Plain, Beveled, U-bent (Heat Exchanger Tubes) |
| Applications | Hydraulic systems, Automotive, Medical, Mechanical Equipment (High Precision Tubes); Boilers, Heat Exchangers, Condensers, HVAC, Petrochemical Plants (Heat Exchanger Tubes) |
| Material | Grades |
| Stainless Steel | Stainless Steel 304, 304L, 304H, 310S, 310H, 316, 316L, 316H, 316Ti, 317, 317L, 321, 321H, 347, 347H, 904L |
| Carbon Steel | ASTM A53 GR A, ASTM A53 GR B, ASTM A53 GR C, ASTM A333 GR 1 & 6, ASTM A106 GR B, ASTM A106 GR C, API 5L GR B, API 5L X42 / X46 / X52 / X56 / X60 / X65 / X70 |
| Alloy Steel | P1, P5, P9, P11, P12, P22, P91, P92 |
| Duplex Steel | Duplex 2205, Duplex 2507 |
| Super Duplex Steel | Super Duplex 2507, Super Duplex 4501 |
| Monel | Monel 400, Monel K500 |
| Inconel | Inconel 600, Inconel 625, Inconel 718, Inconel X-750 |
| Hastelloy | Hastelloy C22, Hastelloy C276, Hastelloy B2 |
| Alloy 20 | Alloy 20 |
| Titanium | Titanium Grade 2, Grade 5, Grade 7, Grade 12 |
| Cupro Nickel | Cupro Nickel 70/30, Cupro Nickel 90/10 |
