Construction

Drill collar as one component of a drill string is extremely industrial tubulars used to drill into ground to provides weight on bit for drilling.

The JIS G3458 standard is formulated for heat-resistant alloy steel pipes used as high-temperature fluid conveying pipes for heaters and boiler tubes.

We GNEE Steel is the manufacturer, supplier and exporter of the high quality of API 5L Gr B SAW Pipes.

ASTM A 179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel pipe is supplied and produced by cold drawning.