API Spec 5L PSL1 X42 Pipeline steel Specification:


API Spec 5L X42 is one of the most popular and running grade in all API 5L Grades from API 5L B to X100. This is cost effective and durable for all Oil and Gas pipelines, It also used in power generation plants, oil refineries, sour service and off-shore piping projects.

API Spec 5L PSL1 X42 Pipeline steel Chemical Composition and Mechanical Property:


Chemical Composition(%)

C Max

Mn Max

P Max

S Max







Mechanical Property


Yield Strength(MPa)

Tensile Strength(MPa)

% Elongation 

API Spec 5L PSL1 X42 (L290)




API Spec 5L PSL1 X42 Pipeline steel mainly used in Oil Refineries, Petrochemicals, Power Generation (Nuclear/Thermal), Steel, Sugar, Boiler Equipments, Pressure Vessels and General Engineering Purposes.

Contact BBN Steel today for a API Spec 5L PSL1 X42 Pipeline steel competitive quotation.

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