Posts

IS IT THE HIGHER THE CHROME LAYER, THE BETTER THE HYDRAULIC CYLINDER PISTON ROD?

As a professional manufacturer of hydraulic cylinder ,we usually will receive the requirements that customers ask chrome layer thickness of the cylinder rod , 20/25/30/50 Micron or customized can available for us. Hydraulic cylinder piston rod chromium plating layer is not thicker, the better, the reasons: 1, chromium coating in the process is reciprocating multiple coating, that is, the single coating amount is about 0.03-0.06, and the coating effect on the substrate surface is better, the secondary coating effect on the already coated surface is not good, easy to produce delamination, off the skin small defects, and the hydraulic system is the most taboo there are such defects; 2, when the coating thickness reaches more than 0.10, the domestic is not good, not can not be done, but is not necessary in the use of special occasions. 3, supplement: plating process can achieve 0.15-0.20 coating thickness; Coating thickness should vary according to the use of different occasions. When the
Post a Comment
Read more

TYPICAL APPLICATIONS FOR HOT ROLLED ROUND BAR

  Hot rolled round bar , usually named “round bars”, are produced by hot rolling continuously cast steel billets. it's used in hot die pressing and forging but they may also undergo cold finishing. Hot rolled round bar is a strong, tough, ductile, formable and weldable steel material that can be used for numerous types of applications. It also provides a rougher surface and can be easily shaped and formed. Hot rolled steel bar stock is generally easy to drill and form while maintaining excellent mechanical properties. It is also characterized by its unique radius corners, compared to the sharp corners of cold rolled steel. It also maintains very good mechanical properties and is easy to fabricate.  Hot rolled round bars are used in hot die pressing and forging but they may also undergo  cold finishing . A variety of mechanical components such as gears, hubs, shafts, drives and many more can be obtained by die pressing and forging. They all have to resist, sustain and transfer motio
Post a Comment
Read more

Datong Hydraulic #cylinderbarrel/cylinder tubes/ cold drawn seamless tu...

Image
Post a Comment
Read more

WORKING PRESSURE OF ST 37.4 NBK HYDRAULIC TUBE

   ST37.4 NBK Hydraulic tubes are made in accordance to DIN 2391 or DIN 2445. It also called as cold drawn precision tube . ST37.4 NBK hydraulic tubes have a NBK finishing, where tubes are normalized, phospated, and oiled inside and outside. ST37.4 Hydraulic tubes  are measured by Outer Diameter (OD) and varies tube thickness (THK). Difference of OD and tube thickness will lead to different working pressure.  There are two type of material grade for hydraulic steel tubes , ST52.4 and ST37.4. ST52.4 is high tensile strength tube means it has higher permissible working pressures by reduced tube wall thickness, and leading to reduced system overall weight. Please refer to chemical composition for ST52.4 and ST37.4 tube material: CHEMICAL COMPOSITIONS OF HYDRAULIC STEEL TUBE MATERIALS Chemical Composition (%) Carbon (C) Silicon (Si) Manganese (Mn) Phosphorus (P) Sulfur (S) E355 (ST52.4) ⩽0.22 ⩽0.55 ⩽1.6 ⩽0.045 ⩽0.045  E235 (ST37.4) ⩽0.17 ⩽0.35 ⩽1.2  ⩽0.045  ⩽0.045 Steel grade Yield stren
Post a Comment
Read more

Datong Hydraulic/Skiving Roller Burnished Tubes/Hydraulic Tubes/ #cylind...

Image
Post a Comment
Read more

THE MECHANICAL PROPERTIES OF S45C HARD CHROME PLATED STEEL BAR

  S45C Hard Chrome Plated Steel Bar usually used for producing hydraulic cylinder piston rods,It goes through the machining process of cold drawn , peeling,  grinding, polishing, and hard chrome plating , in order to enhance the surface hardness for friction and corrosion resistance; the material will also be easier for further machining, and its precision can achieve international standard.The S45C  chrome plated rods can be application for Join Pen, High-Strength Screw, Bolting, Sliding Bar and Auto Parts.For Plastic Machines parts: Main Rods, Screw Bars and Feeding Bars.Features: Material：JIS S45C、SAE1045、DIN CK45、EN8 Application：Pneumatic/ Hydraulic Cylinder , Engineering Machine, Hydraulic/ Pneumatic Auto Machine, Plastic Injection Molding Machine. Thickness of Chrome Layer：min 20/25/30/50 Micron or customized Hardness of Chrome Layer： HV850 min. (0.1) Surface Roughness：Ra 0.2μm max. External Diameter Accuracy：ISO h7、f7、h8、f8、g6 Straightness： 0.5/1000 Roundness： Ra <= 0.2u ●M
Post a Comment
Read more

Datong Hydraulic/4140 4130 hard chrome rods/chrome plated bar/Induction hardened chrome rod/shafts

Image
Post a Comment
Read more