Seamless steel pipe for liquid transport Usage: applicable to transport liquid, gas, oil etc. Quality standard: Gb/t 8163: seamless steel tubes for liquid service Gb 3087: seamless steel tubes for low and medium pressure Gb 5310: seamless steel tubes and pipes for high pressure boiler Astm a106: standard specification for seamless carbon steel pipe for high-temperature service Astm a179: standard specification for seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes Astm a192: standard specification for seamless carbon steel boiler tubes for high-pressure service Astm a333: standard specification for seamless and welded steel pipe for low-temperature service Astm a335: standard specification for seamless ferritic alloy-steel pipe for high-temperature service Jis g3452: carbon steel pipes for ordinary piping Jis g3454: carbon steel pipes for pressure service Bs 3059: steel boiler and superheater tubes Din 1629: seamless circular tubes of non alloy steels with special quality requirements Din 17175: seamless steel tubes for elevated temperatures Api 5l: line pipe In bundle or according to your requirements