Seamless steel tube is a channel of extracting the oil, gas or water on the surface and delivering into oil and gas industrial company.
Seamless steel tube includes two types: Seamless steel tube and welding steel tube
The seamless steel tube: SMLS
The welding steel tube:
(1) Resistance welding(ERW)
(2) SAW spiral steel tube(SSAW)
(3)LSAW steel tube(LSAW)
The ends of the seamless steel tube includes smooth-port, thread-port and socket-port
The connecting types of seamless steel tube are end-welding, the coupling linking, link-SW
The common O. D range:
10.3mm, 13.7mm, 17.1mm, 21.3mm, 26.7mm, 33.4mm, 42.2mm, 48.3mm, 60.3mm, 73.0mm, 88.9mm, 101.6mm, 114.3mm, 141.3mm, 168.3mm, 219.1mm, 323.9mm, 355.6mm, 406.4mm, 508mm, 610mm