Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A213/ASME SA213 |
| Material Grade | T5 (UNS S50100) |
| Product Type | Seamless Tube |
| Material | Chromium-Molybdenum Alloy Steel |
| Application | High Temperature Boiler Tubes |
| Size Range | OD 1/4" to 4" |
| Brand Name | YUHONG |
| Model Number | ASTM A213 T5 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 800 Tons/ Month |
| Delivery Time | 15-20 Days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A213/ASME SA213 | Material Grade | T5 (UNS S50100) |
| Product Type | Seamless Tube | Material | Chromium-Molybdenum Alloy Steel |
| Application | High Temperature Boiler Tubes | Size Range | OD 1/4" to 4" |
| Brand Name | YUHONG | Model Number | ASTM A213 T5 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASTM A213 T5 alloy steel tube ，chromium molybdenum steel tube ，high temperature seamless steel tube | ||
ASTM A213 T5 Alloy Steel Seamless Tube Chromium Molybdenum Steel for High Temperature Service
YUHONG GROUP leverages 35 years of industrial expertise and a global presence spanning 85 countries to deliver high-performance alloy steel tubing for critical high-temperature applications. Our ASTM A213 T5 chromium-molybdenum alloy seamless tubes are engineered for the power generation and petrochemical industries, where elevated-temperature resistance and durability are paramount.
With decades of experience in metallurgy and precision manufacturing, we provide ASTM-compliant tubing solutions that ensure reliability in boiler systems, heat exchangers, and high-pressure piping applications worldwide. Our commitment to quality and technical excellence makes us a trusted partner for energy and process industry clients worldwide.
Chemical Composition of Grade T5 (UNS K41545)
| Element | Requirement (%) |
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.50 max |
| Nickel (Ni) | ... |
| Chromium (Cr) | 4.00 - 6.00 |
| Molybdenum (Mo) | 0.45 - 0.65 |
| Vanadium (V) | ... |
| Boron (B) | ... |
Heat Treatment Requirements for Grade T5 (UNS K41545)
| Parameter | Specification | Notes |
| Grade | T5 | Chromium-Molybdenum Alloy Steel |
| UNS Number | K41545 | |
| Heat Treat Type | Full or Isothermal Anneal, or Normalize and Temper | Multiple approved heat treatment processes are available. |
| Subcritical Annealing or Tempering Temperature | 1200 to 1350 °F [650 to 730 °C] | This is a critical step following normalization (if performed). |
| Subcritical Annealing or Tempering Temperature (Alternative) | 1250 °F [675 °C] | A specific temperature within the range is called out. |
| ASTM Grain Size No. | Not Specified | - |
Mechanical Properties of Grade T5 (UNS K41545)
| Property | Requirement | Notes |
| Grade | T5 | Low Alloy Steel (Chromium-Molybdenum) |
| UNS Designation | K41545 | |
| Tensile Strength, min | 60 ksi [415 MPa] | |
| Yield Strength (0.2% Offset), min | 30 ksi [205 MPa] | |
| Elongation in 2 in. or 50 mm, min | 30% | See footnotes a, b, c for test exceptions |
| Hardness, max | 163 HBW / 170 HV / 85 HRB | Brinell, Vickers, or Rockwell B Scale |
Key Application Advantages of ASTM A213 T5 Alloy Steel Seamless Tube
1. Excellent High-Temperature Performance
The chromium-molybdenum alloy composition (T5 grade) provides outstanding oxidation resistance and sustained strength at temperatures up to 538°C (1000°F), making it ideal for high-temperature service in boilers and heat exchangers.
2. Superior Corrosion & Oxidation Resistance
Offers enhanced resistance to oxidation, sulfidation, and creep under elevated temperatures, significantly extending service life in thermal power plants and refinery applications.
3 . Optimized Thermal Efficiency
The seamless tube structure ensures uniform wall thickness and smooth internal surface, promoting efficient heat transfer and reducing energy consumption in power generation systems.
4 . Proven Reliability in Critical Applications
Widely used in superheaters, reheaters, and heat exchanger components, demonstrating reliable performance under cyclic thermal conditions and high-pressure environments.
5 . Global Standard Compliance
Manufactured in full compliance with ASTM A213/ASME SA213 standards, ensuring material quality and safety for international power and process industry projects.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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