International Steel Supply

Hot-formed seamless steel pipes of carbon steel
Seamless steel pipes for oil refinery and oil chemist industries
Seamless steel pipes for boiler equipment and conduits
Seamless steel pipes for steam-boilers and conduits
Seamless hot-formed steel tubes for gas tube lines for gas lift systems

Cold-formed seamless steel pipes of carbon steel
Seamless steel pipes for oil refinery and oil chemist industries

ASTM A 53 Standard specification for steel black seamless pipes.
ASTM A 106-02 Seamless carbon steel pipes for high-temperature service.
ASTM A179/A179M-01 Standard specification for seamless cold-drawn low-carbon steel heat- exchanger and condenser tubes.
ASTM A192/A192M-02 Standard specification for seamless carbon steel boiler tubes for high- pressure service.
ASTM A 210/A 210M-02 Standard specification for seamless medium-carbon steel boiler and superheater pipes.
ASTM A 213/A 213 M - 04b Standard Specification for seamless ferritic alloy steel boiler, superheater and heat-exchanger pipes
ASTM A333/A333M-99 Standard specification for seamless steel pipe for low-temperature service.
ASTM A334/A334M-04 Standard specification for seamless carbon and alloyed steel pipes .