Natural Gas

ASTM A139 is a standard specification for electric-fusion (arc)-welded steel pipe (NPS 4 and over).

S32750, a duplex stainless steel variety, is used in heat exchangers and cold showers and devices that are resistant to seawater, high temperature and concentrated nitric acid in oil refining, fertilizer, papermaking, petroleum, chemical and other industries.

S275J0H This designation refers to a structural steel grade in accordance with the European standard EN 10210-1

ASTM A179 and ASTM A192 are specifications for carbon steel pipes used in different applications.