The ASTM A335 P91 Pipes are a representative of state-of-the-art engineering. As a pipe, it finds its application in places where the temperature and pressure are high. They are, therefore, fabricated to meet the strict guidelines laid down by ASME, ASTM, and API. These pipes find the most demand for oil and gas, petrochemical, and power industries. A M Industries are proud to be one ... https://www.am-industries.com/alloy-steel-astm-a335-p91-pipes-manufacturer-exporter-suppliers.html