Chrome-molybdenum steel pipe, Manganese titanium steel pipe and other Alloy steel pipes, exported overseas for more than 10 years with experience. 30crmo, 25crmo4, 20crmnti, 16mncr5, 40mn2, 34mnb5, 4140 and other alloy steels offered. Ask and get a quote now!

--Precise custom outer diameter and inner diameter --Tight tolerances, resulting in reduced machine time / Dimensional accuracy --Smooth and Clean OD and ID surfaces --Excellent machining characteristics --Wider range of physical properties attainable through process and annealing options

ASTM A179 heat exchanger tubes A 179 Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus. This specification covers tubes 1/8 to 3 in. [3.2 to 76.2 mm], inclusive, in outside diameter.

--Precise custom outer diameter and inner diameter
--Tight tolerances, resulting in reduced machine time / Dimensional accuracy
--Smooth and Clean OD and ID surfaces
--Excellent machining characteristics
--Wider range of physical properties attainable through process and annealing options

--Materials :ASTM519/1026/1035/1045 seamless steel pipe
--Inner Surface roughness is less than 0.4μm
--The Low-pressure Hydraulic cylinder can be used 20# steel pipe
--The High-pressure Hydraulic cylinder can be used 45# steel pipe
--The commonly used materials are 20#,35#，and 45# seamless steel pipe

--Precise custom outer diameter and inner diameter
--Tight tolerances, resulting in reduced machine time / Dimensional accuracy
--Smooth and Clean OD and ID surfaces
--Excellent machining characteristics
--Wider range of physical properties attainable through process and annealing options