SA312 TP316 refers to a specific grade of stainless steel pipe that conforms to the SA312 (ASME/ASTM A312) standard. This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes intended for high-temperature and general corrosive service.

API 5L is an industry standard for steel pipes that transfer oil, gas and water across long distances. It comes in a variety of grades, from GR.

316L stainless steel is a commonly used material for pipes and tubing in various industries due to its excellent corrosion resistance and versatility.

ASTM A213 is the standard specification for seamless ferritic and austenitic alloy steel boilers, superheaters, and heat exchanger tubes.

SA312 TP316L steel pipe is a stainless steel pipe that meets ASTM A312/SA312 standards.

Black steel seamless pipes that conform to the ASTM A53 and ASTM A106 standards are commonly used in a wide range of applications, including plumbing, industrial processes, and construction.