**09CrCuSb alloy seamless steel pipe (38 × 3, ND steel) * * is a steel pipe with specific chemical composition and excellent performance. The following is a detailed explanation of the steel pipe:

Chemical composition: The 09CrCuSb alloy seamless steel pipe is mainly composed of elements such as chromium (Cr), copper (Cu), antimony (Sb), etc. Its specific chemical composition includes C ≤ 0.12, Si ≤ 0.50, Mn ≤ 0.20-0.50, P ≤ 0.020, S ≤ 0.010, Cr: 0.30-1.25, Cu: 0.25-0.55, etc. The proportion of these elements endows the steel pipe with unique properties.

Performance characteristics:

Corrosion resistance: The 09CrCuSb alloy seamless steel pipe has excellent corrosion resistance, especially the ability to withstand sulfuric acid low-temperature dew point corrosion, allowing it to operate stably for a long time in high sulfur flue gas environments.

High strength: This steel pipe has high mechanical strength and can withstand significant pressure and bending stress.

Good high-temperature resistance: The heat treatment and alloy composition of the steel pipe enable it to maintain good mechanical properties and corrosion resistance in high-temperature environments.

Usage: 09CrCuSb alloy seamless steel pipe is widely used in fields such as petroleum, chemical, power, and environmental protection. In the petroleum industry, it is often used for oil and gas transportation pipelines, downhole tools, oil extraction equipment, etc; In the chemical industry, it is mainly used to manufacture various equipment such as reactors, heat exchangers, pipelines, etc; In the power industry, it is used to manufacture equipment such as boiler tubes and superheater tubes. In addition, it is also used in the field of environmental protection to manufacture chimneys, desulfurization pipelines, sewage treatment equipment, etc.

ND steel: ND steel is another term for 09CrCuSb steel, which has the same chemical composition and performance characteristics. ND steel is currently the most ideal steel for "sulfuric acid low-temperature dew point corrosion resistance" both domestically and internationally, and is widely used in the manufacturing of equipment working in high sulfur flue gas.

In summary, 09CrCuSb alloy seamless steel pipe (38 × 3, ND steel) is a type of steel pipe with excellent corrosion resistance, high strength, and high temperature resistance, widely used in multiple fields.