Question 1: What is ASTM B167 and which products does it cover?
Answer: ASTM B167 is the standard specification for seamless nickel and nickel-alloy pipe and tube. It covers Inconel 601 (UNS N06601) seamless pipes and tubes intended for high-temperature and corrosion-resistant applications.
Question 2: What are the key properties of Inconel 601 (N06601)?
Answer: Inconel 601 offers excellent resistance to oxidation and carburization at elevated temperatures. It also has good mechanical strength and corrosion resistance, making it suitable for furnace equipment and heat-treatment applications.
Question 3: What are the typical applications of ASTM B167 Inconel 601 seamless pipes and tubes?
Answer: These products are widely used in heat-treatment furnaces, petrochemical processing, thermal processing equipment, power generation, and other high-temperature industrial environments.
Question 4: What sizes and dimensions are commonly available?
Answer: ASTM B167 Inconel 601 seamless pipes and tubes are available in a wide range of outer diameters and wall thicknesses. Common outside diameters range from 6 mm to 114 mm, with wall thicknesses according to ASTM or customer-specific requirements. Lengths can be fixed or random.
Question 5: How is quality and compliance ensured for these products?
Answer: Quality is ensured through strict chemical composition control, mechanical testing, dimensional inspection, heat treatment, and non-destructive testing such as eddy current or ultrasonic testing. Each shipment is typically supplied with a Mill Test Certificate in accordance with EN 10204 3.1.





