Marine engineering

Seamless steel pipes are widely used in various fields, such as petroleum, chemical, natural gas, electric power, shipbuilding, papermaking, food and other industries.

ASTM A252 pipe piles are typically used in construction projects involving deep foundations, such as bridge and building construction, marine structures, and retaining walls.

ASTM A513 ERW carbon steel pipe is a straight seam electric resistance welded (ERW) carbon steel pipe produced in accordance with ASTM A513 standards.

20# steel pipe, generally 20 seamless steel pipe, the strength is slightly higher than 15 steel, rarely quenched, no temper brittleness.