ASME SA106 Gr.B Seamless Carbon Steel Boiler Tube – High-Temperature & High-Pressure Resistance​​

​​1. Product Overview​​

​​ASME SA106 Gr.B Seamless Boiler Tubes​​ are designed for high-temperature and high-pressure applications in boilers, heat exchangers, and power plants. Manufactured under ASTM A106/ASME SA106 standards, these tubes ensure durability, corrosion resistance, and excellent thermal conductivity.

​​2. Material & Chemical Composition​​

• ​​Material​​: Carbon steel (equivalent to China’s ​​20# steel​​).
• ​​Key Chemical Properties​​:

​​3. Mechanical Properties​​

​​4. Key Features & Advantages​​

• ​​High-Temperature Resistance​​: Suitable for ​​-29°C to 565°C​​ environments .
• ​​Seamless Design​​: No welds, ensuring leak-proof performance under pressure.
• ​​Easy to Weld & Fabricate​​: Low carbon content minimizes post-weld brittleness.
• ​​Certified Quality​​: Complies with ​​ASME, ASTM, and EN standards​​.

​​5. Applications​​

• ​​Boilers​​: Superheaters, reheaters, and steam pipelines.
• ​​Oil & Gas​​: Refinery pipelines, heat exchangers.
• ​​Power Plants​​: High-pressure fluid transport.

​​6. FAQ​​

​​Q: What’s the difference between SA106 Gr.B and 20G tubes?​​
A: SA106 Gr.B has higher Mn content (0.29–1.06%) vs. 20G (0.35–0.65%), offering better strength at elevated temperatures.

​​Q: Do you provide custom sizes?​​
A: Yes! We support OD: ​​10–1200mm​​, thickness: ​​1–50mm​​, and lengths up to ​​18m​​.

​​About Yuhong Holding Group Co., Ltd​​

With ​​20+ years of export experience​​, Yuhong Group is a top-5 Chinese manufacturer of finned tubes and seamless pipes. Our ​​55 production lines​​ and ​​20,000㎡ facility​​ ensure high-capacity output, while advanced technology guarantees precision.

• ​​Website​​: www.steelfintube.com
• ​​Contact​​: Jimmy (Email: jimmy@steelseamlesspipe.com, WhatsApp: +86 18892647377).