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Seamless Stainless Steel Boiler Tube

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Seamless Stainless Steel Boiler Tubes are critical components designed for high-temperature and high-pressure applications, particularly in industrial boilers used for power generation, chemical processing, oil & gas, marine engineering, and petrochemical industries. Engineered to withstand extreme operating conditions, these tubes provide excellent heat resistance, superior mechanical strength, corrosion resistance, and long-term operational reliability.

TENGQI, a professional stainless steel boiler tube manufacturer and supplier based in Fujian, China, specializes in producing high-quality seamless stainless steel boiler tubing using advanced cold-drawing and precision manufacturing processes. Our product range includes seamless boiler tubes, water tube boiler pipes, fire tube boiler tubes, and ERW boiler tubing, available in various sizes, wall thicknesses, and stainless steel grades to meet diverse industrial requirements.

All our stainless steel boiler tubes comply with international standards such as ASTM, ASME, and EN specifications, ensuring consistent quality, dimensional accuracy, and performance stability. Designed for efficient heat transfer and structural integrity, our tubes are widely used in high-pressure boilers, heat exchangers, superheaters, and condensers.

With strict quality control, competitive pricing, customized solutions, and reliable global delivery, TENGQI has established a strong reputation as a trusted supplier of stainless steel boiler tubes in both domestic and international markets.

Seamless Stainless Steel Boiler Tube (TP304 / UNS S30400 / W.Nr. 1.4301) is a general-purpose austenitic grade with excellent formability and resistance to oxidizing media. Manufactured by Tengqi in Fujian, China, every heat is fully traceable, hydro-tested and available with third-party inspection (SGS / BV / TUV) on request.

Product Specifications

  • ASTM A213 / ASME SA213 — Seamless
  • ASTM A269 / A269M — Seamless & Welded
  • ASTM A270 / A270M — Sanitary Tubing
  • ASTM A1016 / A1016M — General Requirements
  • EN 10216-5 — Seamless Pressure Tubing
  • Finishing: solution annealed, pickled & polished; bright annealed available on request

Size Range

Outside Diameter (OD)Wall ThicknessLength
6.35 mm – 257 mm (1/4"– 10.1")0.5 mm – 12.7 mm≤ 22 m

Chemical Composition

TP304 (UNS S30400) — Composition %

UNSCMnPSSiCrNi
S30400≤ 0.08≤ 2.00≤ 0.045≤ 0.030≤ 1.0018.0 – 20.08.0 – 11.0

Mechanical Properties

PropertyValue
Delivery ConditionSolution annealed, pickled & polished
Tensile Strength≥ 515 MPa
Yield Strength (0.2% offset)≥ 205 MPa
Elongation in 2 in. / 50 mm≥ 35%

Physical Properties

PropertyValue
Density8.0 g/cm3
Thermal Conductivity16.2 W/m·K
Specific Heat Capacity500 J/kg·K
Elastic Modulus193 GPa
Magnetic PropertiesNon-magnetic (slightly magnetic when cold worked)
PREN (Pitting Resistance Equivalent)18.0-20.0

Industry Applications

Heat Exchangers & Boiler Tubes
Chemical & Petrochemical Industry
Dairy, Brewery & Beverage
Pharmaceutical & Food Processing
Boiler Feedwater Heaters
Condensers & Coolers
Pulp & Paper Industry
Pressure Vessels & Reactors

Related Products

Related Seamless Pipes & Tubes

Explore more grades and sizes from XTD Special Steel — related seamless pipe and tube products:

Browse the complete ranges: All Stainless Steel Boiler Tubes | Explore Stainless Steel U tube | Seamless Stainless Steel Tubes Catalog

CONTACT US

Lidun Industrial Park, Lidun Town, Zhouning County, Ningde City, Fujian Province,355400,China

+86-577-88877003
+86-577-88877015
+86-577-88877019

+86 13587686960

info@xtd-ss.com
sales@xtd-ss.com

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Lidun Industrial Park, Lidun Town, Zhouning County, Ningde City, Fujian Province,355400,China

+86-577-88877003
+86-577-88877015
+86-577-88877019

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