'The more focused, the more professional' is the basis for us to become a leader in Pneumatic Cylinder Tube, 1020 Cold Drawn Tube, Adjustable Welding Rotator. We strive to be perfect, meticulous, not focusing on the moment, but looking for the long-term! We create a unique brand concept and style with reliable quality, unique design, and high-quality service around the world.
1. Introduction
HENGTONG PETROLIC MACHINERY manufactures 4140 Alloy Steel Tubes and transmission roller steel pipes more than 20 Years.The 4140 Alloy Steel Tubes is much thick hot rolled alloy steel tubes, which goes through boring and milling to make sure uniform thickness.
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.Our services
1). Where to buy our products for one year warranty and life long maintenance.
2). 24-hour telephone service.
3). A large stock of components and parts, easily-worn parts.
We sincerely design and customized all kinds of AISI 4140 High Temperature Alloy Steel Boiler Tube with Qt for our customers. We firmly believe that marketing is the source and R&D is the backing. Our company has trained a group of business teams and technical personnel with strong professional knowledge to provide customers with accurate and timely product information and excellent after-sales service in all aspects.
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