
St52 Cold Drawn Bks Honed Tube for Hydraulic Cylinder Barrel
Product Introduction
We are committed to reducing the time it takes to bring a new and improved Split Master Link Bolts, Bucket Teeth, Track Tensioner to market, solving business problems faster, and meeting customer requirements immediately. We hope that all our employees will establish a sense of teamwork, strengthen communication, learning and cooperation, and cultivate team cooperation. 'Integrity and mutual benefit' is the key to sustainable development, and we are willing to cooperate sincerely with you by offering high-quality products and perfect services. We focus on customer needs, meet customer requirements and strive to exceed customer expectations.
Product Description
Hydraulic Cylinder Barrel and Piston Rod is a connecting part that supports the work of the piston, and is a moving part with frequent movements and high technical requirements. Its function is to connect the piston and the crosshead, transmit the force acting on the piston and drive the piston to move. Hydraulic Cylinder Barrel and Piston Rod is really a good tool for many machinery, such as crane, excavating machinery, etc.
Features
♦A lot of cylinders fail because of rod scratched by its machined steel scraps from the beginning
♦A lot of cylinders fail because of too thin chromium coating or wrong treatment of hydraulic rod before coating; We treat hydraulic rod properly and have from 30 to 60 micro-millimeter chromium
Hydraulic Cylinder Barrel and Piston Rod is coating for different type or tonnage rate hydraulic rod—free from chromium peel off or rusting—heavier chromium coating available for big hydraulic cylinders.
♦A lot of cylinders fail because of saving 2 dollars on seals to have their cylinders sell cheap and quick. We only use proper quality seals, although it cost bit more
♦A lot of cylinders fail because of use lower grade steel and without proper Quenching and Tempering to save 20 dollars in cost. We use proper steel and treat steel properly according to ISO standard on hydraulic cylinders


Bucket rod head, stick rod head and boom rod head
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Unless otherwise specified round: R3; break burrs and sharp edges;
3. Forging surface should be smooth and clean after shot or sand blasted,
Not allow any crack, overheating, scratch and dent existed
Bucket head, stick head and boom head
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Surface roughness in grooves: XXX chamfer R0.5, not allow any tool marks.
3. Break burrs and sharp edges
Bucket barrel, stick barrel and boom barrel
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Break burrs and sharp edges;
Bucket / Stick / Boom rod eye side
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Unless otherwise specified round: R3
Break burrs and sharp edges
3. Not allow any crack, overheating, scratch and dent existed on forging
Bucket / Stick / Boom Cap End
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Break burrs and sharp edges
3. Forging surface should be smooth and clean after shot or sand blasted,
Not allow any crack, overheating, scratch and dent existed
4. Unless otherwise specified round: R3
Unless otherwise specified pattern draft angle: 5
Bucket / Stick / Boom rod
Technical Requirements
1. Quenching and tempering hardness: HB220-225;
2. Surface hardness: HRC48-52
Hardness depth: 2.5-3mm (after grinding)
3. One chrome coating: 0.03-0.05mm;
Hardness: HV900-1000;
4. Break burrs and sharp edges;
Application

Advanced Machine Centre and Precision CNC Machine Facilities to Assure Top Quality

Packing and Shipping

We follow the concept of "integrity, professionalism, pragmatism and creation", always adhere to the guiding ideology of technology as the foundation, and strive to be professional, refined and strong St52 Cold Drawn Bks Honed Tube for Hydraulic Cylinder Barrel, and make unremitting efforts to achieve world-renowned goals . So far our products have been exported to all over the world. We always take innovation and technology as the development direction, repay the new and old customers with the highest quality and most efficient products, so as to maximize the interests of customers.
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