ASTM A 53 specification for black steel seamless pipes

ASTM A 106 Gr. B seamless carbon steel pipes for high-temperature service

ASTM A 161 seamless low-carbon and carbon molybdenum steel still tubes for refinery service

ASTM A179 specification for seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes

ASTM A192 specification for seamless carbon steel boiler tubes for high-pressure service

ASTM A 210 specification for seamless medium-carbon steel boiler and superheater pipes

ASTM A 213 specification for seamless ferrite alloy steel boiler, superheater and heat-exchanger pipes

ASTM A 519 seamless carbon and alloy steel for mechanical tubing

ASTN A 556 seamless cold-drawn carbon steel feedwater heater tubes

Size: OD20mm - OD325mm   Wallthickness:4mm-70mm /sch10-XXS/std wall/Extra