ASTM A335 Pipe (ASME S/A335, Chorme-Moly) is a seamless ferritic Alloy-Steel Pipe for high temperature service. The ASTM A335 specification covers chrome moly seamless pipes for the power generation and petrochemical industries. A335 pipes offer remarkable resistance to corrosion, good tensile strenght and resistance at high temperature service. They are commonly found in power plants, where these features are mandatory requirements. ASTM A335M/ASME SA335M seamless steel pipe is a kind of alloy steel pipe. It has a hollow section and it is used as a large number of pipes conveying fluid, and used as boiler tube. It is applicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes and to transport liquid, gas, oil, etc.