1. Introduction
HENGTONG PETROLIC MACHINERY manufactures4140 cold drawn stator 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 : 139.7x177.8
Length : Depends on customer requirement.
Material : 4140 / 42CrMo
Delivery Condition: hot rolled + cold drawn + Quenched and tempered
ID and OD Tolerance : Depends on customer requirement.
Brand : Hengtong
3.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.
