Marine engineering

ASTM A790 UNS S31803 stainless steel pipe is a high performance duplex stainless steel material with excellent corrosion resistance, high strength and good machinability.

This specification of ASTM A 671 Carbon Steel Tubes covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures.

JIS G3461 STB510 is a steel pipe standard for boilers and heat exchangers that belongs to the Japanese Industrial Standard (JIS). STB510 is a high-pressure seamless steel pipe commonly used in the manufacture of heat exchangers and boilers.

API 5CT L80-9Cr 13Cr casing is specially designed for the oil and gas industry, mainly used for oil and gas well casing or oil pipe steel pipe.