Our Qt Chrome Bar, chrome steel bar, Cold Drawn Tube has extremely excellent performance and exquisite workmanship because of the standardized production base, advanced production equipment, modern enterprise management mode, procedural and strict quality monitoring system. We are committed to working with customers to find the best applicable solutions. We hope we can have a pleasant relationship with businessman from all around the earth.
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 always adhere to the principle of market-oriented, technological innovation as the driving force, and customer service as the purpose. We combine product technology with production management to provide customers with 4140 Heavy Wall Thickness Seamless Steel Tubing solutions. We solemnly promise to all sectors of society that we would like to verify and show our super comprehensive strength through your comprehensive investigation and comparison. At Present, our products have been exported to all over the world.
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