ASTM A 53 specification for black steel seamless pipes
STM 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: OD16mm - OD426mm Wallthickness: 1.65mm-35.71mm /sch40-sch160/std wall/Extra Strong
OCTG PIPE, OIL PIPELINE: Material:J55,K55,N80,P110,L80/Gr.B X42,X46,X52,X56/X65,X70 and more. Certificate: API spac 5L/5CT, ISO9001:2000
Process method: hot ro
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