We will continue to expand our production scale and product range in an effort to become the leading Round Chrome Bar, Seamless Honed Tube, Cold Drawn Tube manufacturer in the world. We firmly follow the concept of "harmony, pragmatism, innovation, and endless pursuit". Allow us to move ahead hand in hand and attain win-win situation.
1. Introduction
HENGTONG PETROLIC MACHINERY manufactures high-precision cold-drawn steel tubes, which are mainly used for producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts, ASTM A519 4140 tubing and transmission roller steel pipes more than 20 Years.
2. Product Details
Application: Used for drilling, downhole motor, mud motor
Size : ID from 70mm to 300mm
Length : Depends on customer requirement.
Material : 4140 / 42CrMo
Delivery Condition: hot rolled + boring and milling
ID and OD Tolerance : Depends on customer requirement.
Brand : Hengtong
3.Size List
4.About HENGTONG
We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.
We will adhere to the business philosophy of 'creating high-quality products and providing professional services' and wholeheartedly provide all kinds of SAE 1020 Seamless Mechanical Tubing to customers all over the world. We stick to the spirit of craftsmanship to the end, reflecting the love and dedication of each of our employees in every job. We look forward to supplying you with our products in the near future, and you will find our quotation is very reasonable and the quality of our products is very excellent!
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