Our firm has a excellent assurance program have already been established for Induction Chrome Bar, Skived And Roller Burnished Seamless Tube, Hard Chrome Plated Hardened Round Bar. We pride ourselves on top notch customer service and response. With the care of government departments at all levels, our company has achieved good development, its industry status has been significantly improved, and a series of honors have been obtained.
1. Introduction
Hengtong Petrolic Machinery manufactures seamless steel tube for hydraulic cylinder, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods, high-precision cold-drawn steel tubes and 4140 drilling tube, 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.
2. Product Details
Application: Used for drilling, down hole motor stator tubes.
Size : ID from 70mm to 250mm
Length : Depends on customer requirement.
Material : 4140
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.Packaging & Delivery
Packaging Details | in bundle, with plastic caps, anti-rusted oiled, with woven bags. |
5. Our Advantages
a. Extensive Production Experience: We are specialized in honed tubes, skived tubes, cold drawn pipes, 4140 drilling tubes, and chrome bar with an experience of 20 years.
b. Complete Production Facilities: Owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
c. High Quality Raw Material: We mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
d. Strict Physical/Chemical Testing Procedures: Meeting the requirements of the product design and process, providing reliable testing data.
e. Short Delivery Time: Usually one container 20 days. We also stock some standard-sized tubes and bars.
f. Safe Packing: Anti-Rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.
The success of our company is that our Qualified Hardness 36-40HRC 42CrMo/4140 Seamless Steel Tube is of high quality, safe to use, and have earned the confidence of customers. We adhere to the corporate goal of 'creating a first-class brand', actively explore and innovate, and continuously improve our technical and service levels, so that users are more satisfied with us. We all significantly promise: same excellent, better selling price; exact selling price, better quality.
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