Our firm aims to operating faithfully, serving to all of our shoppers, and working in new technology and new machine consistently for Ck45 Chrome Plated Bar, Round Chrome Bar, welding rotators. As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. In the future, our company will continue to develop new products and, as always, pursue the principle of 'pursuing quality, credit first' and wholeheartedly serving new and old customers. We provide customized and comprehensive pre-sales and in-sales services and the most reliable after-sales guarantee for our customers. We are here waiting for you for your inquiry.
1. Introduction
HENGTONG PETROLIC MACHINERY manufactures 4140 seamless tube and transmission roller steel pipes more than 20 Years.The 4140 seamless tube 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). Providing professional technical support.
2). Send the product catalog and instruction manual.
3). If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time!
4). Personal call or visit are warmly welcome.
Our commitment is to provide high quality ASTM A519 1010 1020 1045 4130 4140 Seamless Steel Tube and create more value for customers, proving that we are the most trusted partner in this sector by hard work. Because of our company has been persisting in the management idea of 'Survival by Quality, Development by Service, Benefit by Reputation'. We take innovation as our quality policy, follow quality promises, service promises and reputation promises, and take customer satisfaction as our highest pursuit.
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