VEFLOX Logo
Download Catalogue
06 // Industrial Pipes

Boiler Tubes

VEFLOX manufactures premium Boiler and Heat Exchanger Tubes engineered specifically for critical thermal processing systems. Designed to operate flawlessly under extreme heat-flux and relentless internal pressures, our tubes undergo strict metallurgical processing to eliminate the risk of creep deformation, high-temperature oxidation, and thermal fatigue in superheaters, re-heaters, and high-pressure boiler circuits.

Industrial Boiler Tubes
Creep & Heat Resistant Alloys

Detailed Technical Specifications

Structural Types
Seamless (SMLS): Standard recommendation for high-pressure supercritical circuits.
Welded / ERW: Utilized in lower-pressure configurations, with 100% heat-treated inline normalization of the weld line.
Dimensional Standards
ASME / ASTM: ASME SA-192 / SA-210 (Carbon), SA-213 (Alloy & Stainless Steel ferritic/austenitic).
EN / DIN: EN 10216-2, DIN 17175 Standards for elevated temperature service.
Material Grades
Medium Carbon Steel: Grade A1, Grade C (ASME SA210)
Low Alloy / Chrome-Moly: T11, T12, T22, T91, T92 (ASME SA213 - Critical for creep strength and scaling resistance)
Stainless Steel: TP304H, TP316H, TP321H, TP347H (High-carbon variants for elevated thermal capability)
Size Matrix (Outside Diameter)
Outer Diameter (OD): 1/2" up to 5" (12.7mm to 127mm). Available in exact millimetric outside measurements.
Wall Thickness (Gauges)
Specified in **Minimum Wall (MW)** or **Average Wall (AW)** matching Birmingham Wire Gauge parameters (BWG 4 to BWG 20), or precise decimal dimensions.
Thermal Processes
Full Isothermal Annealing, Normalizing and Tempering, Solution Annealing for stainless variants to maximize mechanical tensile parameters.
Testing Matrix
100% Non-Destructive Electromagnetic / Eddy Current Testing, Ultrasonic (UT), Hydrostatic verification, Flaring & Flattener physical deformation tests, and microstructural analysis.

Core Advantages

Elite Creep Rupture Strength

Formulated with critical trace elements like Molybdenum and Vanadium, our Chrome-Moly tubes exhibit exceptional resistance to microstructural grain sliding (creep) under continuous load up to 650°C.

Superior Scaling Resistance

The tightly regulated Chromium chemistry provides an impenetrable protective layer that suppresses surface oxidization and scaling, maintaining excellent thermal conductivity across cycles.

Flawless Cold Bending

Subjected to rigorous elongation and flattening tests during manufacturing, our tubes provide supreme ductility, allowing them to handle strict field tight-radius U-bending without cracking.

Industries Served

Thermal Power Plants
Petrochemical Refineries
Heat Exchanger Mfg
Sugar Process Plants
Chemical Processing
Marine Boiler Systems