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Boiler Tubes

Boiler Tubes – ASTM A210 / A213 / DIN 17175 Manufacturer in India

High-Temperature · High-Pressure · Seamless Boiler & Superheater Tubes
Inox Steel India

Inox Steel India is a leading manufacturer, stockist, and global exporter of Seamless Boiler Tubes conforming to ASTM A210, ASTM A213, and DIN 17175 standards.

These tubes are engineered for high-temperature and high-pressure service in boilers, superheaters, reheaters, economizers, heat exchangers, and thermal power generation units.

Our boiler tubes operate reliably under the harshest operating conditions involving:

  • Superheated steam (up to 650°C)
  • Pressure up to 200+ bar
  • Thermal shock & cyclic temperature variations
  • Oxidation, sulphur-bearing flue gases, and corrosive environments
  • High creep, stress rupture, and long service life expectations

With precision manufacturing, strict heat-treatment control, advanced NDT testing, and full certification, Inox Steel India supplies boiler tubes for power plants, refineries, petrochemical units, sugar factories, industrial boilers, HRSG units, and process heating systems across India, GCC, Africa, Europe, USA, South Asia, and South America.

Table of Contents

Understanding Boiler Tubes – Why These Standards Matter

Boiler tubes must withstand extreme mechanical and thermal conditions. The materials and standards ensure:

  • High Pressure Strength – continuous steam pressure resistance
  • High Temperature Stability – stable properties at 450°C – 650°C
  • Resistance to Oxidation & Flue Gases
  • Dimensional Accuracy – precise OD/WT for tube sheets & headers
  • Reliability in Continuous Operation

Because of these critical needs, industries rely only on globally proven standards like ASTM A210, ASTM A213 & DIN 17175.

Overview of Boiler Tube Standards

ASTM A210 – Medium Carbon Steel Boiler Tubes

  • Fire-tube boilers
  • Economizer tubes
  • Low-to-medium temperature heating systems

Key properties:

  • Good pressure resistance
  • Suitable for high wall thickness
  • Cost-effective for carbon steel boilers

ASTM A213 – Alloy & Stainless Steel Boiler Tubes

  • Superheaters
  • Reheaters
  • High-temperature steam lines

Popular grades:

  • T11, T22
  • TP304, TP316, TP321

DIN 17175 – German Standard High-Temperature Tubes

  • St35.8 / St45.8
  • 15Mo3
  • 13CrMo4-5 / 10CrMo9-10

How High-Temperature Boiler Tubes Are Manufactured

1. Hot Piercing & Hollow Tube Formation

2. Cold Drawing / Hot Finishing

3. Heat Treatment – Normalizing · Annealing · Quenching & Tempering · Stress-relieving

4. Surface Finishing – Pickled · Black · Polished

5. NDT Testing – EC · UT · Hydrotest · MPI

6. Final Processing – Bevelled ends · Deburring · Oil coating

Applications by Standard / Grade / Service Condition

ASTM A210 (Carbon Steel Boiler Tubes)

ApplicationTemperaturePressureIndustry
Fire-Tube BoilersUp to 400°CMediumProcess Heating
Economizer Tubes200–400°CMediumChemical · Sugar
Steam Lines100–450°CMediumFood · Beverage
Heating CoilsAmbient–350°CLow/MediumBoilers · HVAC

ASTM A213 & DIN 17175 High-Temperature Applications

GradeTemperature CapabilityApplication
T11 / T22450–600°CSuperheaters · HRSG
T91 / T92550–650°CUltra-high temp steam lines
15Mo3Sulphur resistanceRefinery heaters
13CrMo4-5High creep strengthPower plant boilers

Dimensional Range

  • Outside Diameter (OD): 6 mm – 120 mm
  • Wall Thickness (WT): 2 mm – 25 mm
  • Length: 3M · 6M · 12M · Custom Cut
  • Surface Finish: Black · Pickled · Polished

Indicative Price Range — 2025

StandardMaterialPrice (INR/kg)Price (USD/kg)
ASTM A210Carbon Steel₹95 – 150$1.20 – $1.90
ASTM A213 (Alloy)T11 / T22₹165 – 280$2.20 – $3.50
ASTM A213 (SS)TP304/316₹260 – 550$3.20 – $6.80
DIN 1717515Mo3 / 13CrMo4-5₹120 – 350$1.60 – $4.30

Testing & Quality Assurance

  • Mechanical tests (tensile, yield, hardness, impact)
  • Hydrostatic, UT, EC, MPI tests
  • PMI & metallurgical analysis
  • Dimensional accuracy checks
  • EN 10204 3.1 / 3.2 certification

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