LSAW steel pipe brief introduction API 5L steel pipe is for oil and gas industries pipelines, developed for different working environments. The steel line pipe material generally in carbon steel and comply to API SPEC 5L specifications. Applied for petroleum and natural gas industries, oil industries requirements for transportation and are expected working in extreme situations, low and high temperatures, corrosion resistance for corrosive environments, and for sour services in H2S conditions. LSAW steel pipe grade feature Common Class: API 5L Gr.B PSL1, PSL2, Sour Service pipe Medium: X42, X46, X52 Medium and high: X56 High level: API 5L X60 PSL1, PSL2 LSAW line pipe; API 5L X65 PSL1, PSL2 LSAW line pipe Premium high: API 5L X70, API 5L X80 914 lsaw steel pipe