Construction

SUS630 also known as 17-4PH, is a high-strength, corrosion-resistant martensitic stainless steel alloy.

API 5L B-grade pipe is a pipe grade in the API 5L standard issued by the American Petroleum Institute. This pipe grade is mainly used in pipeline systems for transporting oil, natural gas and other fluids.

Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete.

T91/P91 steel pipes are widely used in superheaters and reheaters of subcritical and supercritical boilers, as well as high-temperature headers and steam pipes with lower wall temperatures.