Carbon Steel Seamless Pipes For Structural, Length : specific random

We are one of the key manufacturer of seamless steel pipe of china,products include common seamless steel pipe,cold-drawing pipe,cold-rolling pipe and special shape pipes.
standard:
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
din specifications seamless steel pipes
din 17175 seamless steel tube for elevated temperature
material: st35.8, st45.8, 17mn4, 19mn5, 15mo3, 13crmo44
din 2391 cold drawn seamless precision pipes
material: st35, st45, st52
din 2393 seamless steel pipes for structural purpose
material: rst34-2, rst37-2, rst44-2, st52.