What is ASTM A691?

ASTM A691 for high temperature and high pressure applications on pipe and fittings.

This standard specification covers electric-fusion-welded (EFW) steel pipes made of materials such as stainless steel, alloy steel, and carbon steel.

These steel pipes are often used in pipeline systems in the fields of oil, gas, chemical industry, electric power, etc. to withstand the requirements of high temperature and high pressure.

Our Steel Pipe & Services

These pipes, designed for enduring high-pressure and high-temperature environments, are electric-fusion-welded with an added filler metal.

UNIASEN’s ASTM A691/A691M pipes are available in a wide range of dimensions to suit your specific requirements.

Our pipes are your ideal choice for challenging applications that demand high pressure and temperature resistance.