JIS G3463 Stainless Steel Boiler And Heat Exchanger Tubes
OD: 15.9 mm- 139.8mm
WT: 2.0mm – 14 mm
Length: max 19000mm
The materials of JIS G3463 Stainless Steel Boiler and Heat Exchanger Tubes include SUS 304TB, SUS304HTB, SUS304LTB, SUS309TB, SUS309STB, SUS310TB, SUS310STB, SUS312LTB, SUS316TB, SUS316HTB, SUS316LTB, which a chromium-nickel austenitic stainless steel with good corrosion resistance and high temperature strength, and are particularly suitable for manufacturing boilers and heat exchangers.
Why Choose Our JIS G3463 Stainless Steel Boiler and Heat Exchanger Tubes?
✔ Superior Heat Resistance – Withstands continuous operation at 800°C+
✔ Excellent Corrosion Resistance – Ideal for acidic/alkaline environments
✔ Precision Manufacturing – Seamless & welded options available
✔ Full Compliance – Meets JIS G3463 standards with mill certification
Chemical Composition
| Grade | C (≤) | Si (≤) | Mn (≤) | P (≤) | S (≤) | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| SUS304TB | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-11.0 | - |
| SUS316TB | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| SUS321TB | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 17.0-19.0 | 9.0-13.0 | - |
Note: Ti-stabilized (321TB) for improved intergranular corrosion resistance.
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| SUS304TB | ≥520 | ≥205 | ≥35 | ≤187 |
| SUS316TB | ≥520 | ≥205 | ≥35 | ≤187 |
| SUS321TB | ≥520 | ≥205 | ≥35 | ≤187 |
Key Advantage: Higher creep resistance than standard ASTM A213 tubes.
Applications
Power Generation
Superheaters & reheaters in coal-fired plants
Nuclear reactor heat exchangers
Petrochemical
Crude oil heaters
Catalytic reforming units
Industrial Boilers
Waste heat recovery systems
High-pressure steam line
Case Study: A Japanese power plant extended tube life from 5 to 15 years by switching to our SUS321TB tubes.
Quality Assurance
✅ Hydrostatic Testing – Every tube is pressure-tested
✅ Ultrasonic Inspection – Full-length flaw detection
✅ PMI Verification – Ensures correct alloy composition
✅ Third-Party Certification – Available (SGS, TÜV, BV)
Product Advantages
One of the key advantages of JIS G3463 Stainless Steel Boiler Tubes is their exceptional resistance to high temperatures.
Designed for continuous service under elevated temperatures, these tubes maintain excellent mechanical strength, oxidation resistance, and structural stability
Precision manufacturing ensures:
Uniform wall thickness
Excellent concentricity
Smooth internal surface
High dimensional accuracy
These characteristics promote efficient heat transfer, reduce pressure loss, and improve the overall energy efficiency of boilers and heat exchangers.
Excellent Weldability and Fabrication
Our stainless steel boiler tubes are easy to process using conventional fabrication methods.
Supported processing includes:
TIG Welding
Orbital Welding
Bending
Expanding
Flaring
Machining
CNC Processing
Excellent weldability minimizes fabrication time while maintaining corrosion resistance.
Long Service Life
Premium raw materials combined with advanced manufacturing technology provide exceptional durability.
Compared with ordinary steel tubes, JIS G3463 stainless steel tubes offer:
Longer maintenance intervals
Lower replacement costs
Improved equipment reliability
Reduced lifecycle costs
This makes them an economical solution for long-term industrial projects.
Available Stainless Steel Grades
We supply various grades under JIS G3463, including:
SUS304TB
SUS304HTB
SUS316TB
SUS316HTB
SUS321TB
SUS347TB
SUS310TB
Each grade is selected according to different operating temperatures, corrosion environments, and pressure requirements.
Surface Finish Options
01
Annealed & Pickled (AP)
02
Bright Annealed (BA)
03
Polished
04
Mechanical Polished
Typical Applications
Power Generation
Steam Boilers
Superheater Tubes
Economizers
Waste Heat Boilers
Heat Exchanger Industry
Shell & Tube Heat Exchangers
Condensers
Cooling Systems
Thermal Equipment
Petrochemical Industry
Refineries
Chemical Reactors
Pressure Equipment
Process Pipelines
Marine Engineering
Seawater Cooling Systems
Ship Heat Exchangers
Offshore Platforms
Food & Pharmaceutical Industry
Sterile Heat Exchangers
Dairy Equipment
Beverage Processing
Pharmaceutical Systems
Energy & Environmental Protection
Biomass Boilers
Waste Incineration Plants
Solar Thermal Systems
Hydrogen Energy Equipment
Quality Control
Each JIS G3463 tube undergoes comprehensive inspection before shipment.
Inspection includes:
Chemical Composition Analysis
Mechanical Property Testing
Hydrostatic Pressure Test
Eddy Current Test (ECT)
Ultrasonic Testing (UT)
PMI (Positive Material Identification)
Dimensional Inspection
Surface Inspection
Straightness Inspection
EN 10204 3.1 Mill Test Certificate
Third-party inspection by SGS, BV, TÜV, DNV, or other internationally recognized agencies is available upon request.
Why Choose Our JIS G3463 Stainless Steel Tubes?
Premium Raw Materials
We source stainless steel from leading mills to ensure consistent quality, excellent corrosion resistance, and reliable mechanical performance.
Advanced Manufacturing Equipment
Our production facility is equipped with:
Precision Cold Drawing Lines
Bright Annealing Furnaces
Online Eddy Current Testing
Automatic Straightening Machines
CNC Finishing Equipment
This ensures high dimensional accuracy and stable product quality.
Strict International Quality Standards
Our products are manufactured under comprehensive quality management systems and comply with:
JIS G3463
ASTM Standards (equivalent grades where applicable)
EN Standards (on request)
ISO 9001 Quality Management System
Custom Manufacturing Services
We offer:
Custom Lengths
Special Wall Thickness
Tube Bending
End Beveling
Tube Cutting
OEM & ODM Services
Laser Marking
Global Export Experience
Our stainless steel tubes are exported to more than 50 countries and are widely used in power generation, oil & gas, petrochemical, marine, food processing, and industrial equipment manufacturing.
FAQ
01.What is JIS G3463?
02.Which grades are available?
03.Are these tubes suitable for high-temperature service?
04.Can you provide customized dimensions?
05.Do you provide EN 10204 3.1 certificates?
Contact Us for a Free Quote
As a professional JIS G3463 Stainless Steel Boiler and Heat Exchanger Tube Manufacturer, we supply high-quality seamless stainless steel tubes for demanding industrial applications worldwide.
We provide:
Factory Direct Pricing
Fast Production
OEM & Custom Manufacturing
Technical Support
Global Shipping
24-Hour Professional Quotation
Contact us today to discuss your project requirements and receive a competitive quotation.
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