Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for E355 Honed Tube, Hydraulic Chrome Rod, Hydraulic Cylinder Cold Drawn Tube. Respect customers, understand customers, and create value for customers is our service tenet. First-class products and professional services are our constant pursuit, and we will work hard to achieve it and never stop. We will recommend the most suitable products for customers through efficient team collaboration.
1. Introduction
42crmo drilling tube is a new high technology energy-saving product, application of high precision cold drawn precision steel tube to save steel, improve the processing efficiency and save energy High precision cold drawn pipe refers to the inner and outer diameter size accuracy (tolerances) strictly, both inside and outside surface roughness, roundness, straight degree good, fine uniform wall thickness The technology of high precision cold drawn pipe production by the main technical indicators have reached or part of a national standard GB8713 -- more than 88 international standard ISO4394 / I - 1980 (E).
2. Product Details
Application: Used for drilling, down hole motor stator tubes.
Size : ID from 70mm to 250mm
Length : Depends on customer requirement.
Material : 42CrMo
Delivery Condition: Cold drawn / Q+T
ID and OD Tolerance : Depends on customer requirement.
Brand : Hengtong
3. Size List
72*90 | 75*95 | 76*98 | 86*105 | 86*110 | 95*120 |
95*127 | 106*136 | 127*161 | 127*165 | 134*172 | 139.7*177.8 |
140*172 | 147*185 | 158.75*209.55 | 159*197 | 165*203 | 172*210 |
172*228 | 200*245 | 235*288 | 203*120 | 172*103 | 197*120 |
165*106 |
4. Quality Control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
5. Our Services
Pre-Sale 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.
Sale Of Services:
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant.
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract.
After-Sales Service:
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.

The company has a good heritage, strives to innovate, and fully considers the market needs of Factory Direct Sale 42CrMo4 Seamless Alloy Steel Tube for Building Material thoughout its many years of business. Customer satisfaction is the goal and direction of our work. Over the years, continuous feedback from customers has prompted us to continuously develop and improve the comprehensive performance of our existing products. Let's cooperate hand in hand to jointly make a beautiful future.
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