1.Brief Introduction to the Quenched and Tempered Piston Rod
The quenched and tempered piston rods are characterized by high strength and good ductility.
Thermal refining: Generally, the heat treatment method combined of quenching and high-temperature tempering is called thermal refining, which is widely applied to various important structural parts, especially the connecting rods, bolts, gears and shafts working under alternating load. The tempered sorbite has better mechanical property than normalized sorbite of the same hardness. Its hardness depends on tempering temperature and relates to stability of tempering and sectional dimension of workpiece, and is generally HB200-350.
2.Product Specifications of Quenched and Tempered Cylinder Rod
In a general sense, quenching is a form of heat treatment performed on various types of steel. Although there is a special heat treatment cycle for each steel type, the thermal refining heat treatment process generally involves heating carbon steel for mechanical structures with a greater than 0.3% carbon content together with alloy steel until they reach the austenite region of around 850 degrees Celsius. Then, they are rapidly cooled by water or oil which transforms them into a martensite structure.
Tempering is a heat treatment used to give toughness to steel that has been hardened through quenching. From a martensite structure, the steel is reheated to between 550 and 650 degrees Celsius. Cooling is then performed after the structure retains this temperature for a certain predetermined period of time.
Quenching and tempering heat treatment is used to adjust the mechanical properties of the steel, with the entire series of processes referred to as thermal refining heat treatment.
(Although the hardness of steel will increase by quenching alone, tempering is generally performed to achieve a greater resilience since toughness will decline as a result of quenching.)
| Grade | 304 stainless steel、316 stainless steel, 630 stainless steel, CK45, S45C, 1045, 16Mn, Q345D, ST52, 40Cr, 41Cr4, SCr440, 5140, 42CrMo, 42CrMo4, SCM440, 4140 |
| Outside diameter tolerance | f7 - f8 (other tolerances can be custom-made) |
| Surface roughness | Ra0.2-0.4 |
| Hard chromium thickness | 0.015 - 0.025 mm |
| Surface hardness | HV700-1150 |
| Straightness | 0.05 - 0.10 m/m |
| Standard length | 1- 6 m |
| Package | Bundle with steel strip and knitting strip, or wooden case |
| Conservation | Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends |
| Impact test | -20°C, 27 J (only for special requirement) |
3. Our Advantages in Manufacturing Quenched and Tempered Steel Rod
a. Extensive production experience: we are specialized in cylinder, piston rod and cylinder barrel with an experience of 10 years.
b. Complete production facilities: owning 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 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: If one container 15-20 days. We also stock some standard-sized tubes and rods, if you need 3-5 pcs, we can delivery soon.
f. Safe packing: anti-rust oil be spread on tubes and rods before shipping, plastic caps on tube ends to protect inside surface, each rod be protected with cardboard tube. Finally be packed with seaworthy package or in wooden case.
g. Best after-sale service: Over 60% products are sold to the Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.
4. Main Equipments to Manufacture Quenched and Tempered Rod
5. Testing Devices of Quenched and Tempered Piston Rod
6. Packages of the Piston Rods
7. FAQ
Q1:Can your products be customized?
We are specialized in cylinder, piston rod and cylinder barrel with an experience of about 10 years. We have a strong designing team, so any conventional product can be customized.
Q2:What about the after-sale services?
We provide 12 months quality warranty after dispatch. We also offer long-time technical advisory services.
Q3.What about the transpotation?
We can take any type of transpotation according to the customer's demand.
Please feel free to send us your detailed requirements, you would be satisfied with our service.
Contact Below:
Wuxi Longzhichen Machinery Co., Ltd
Att:Mr.Min
Phone:+86-18921387058
Tel:+86-510-83050629
Fax:+86-510-83050596
Email:sales@wxlongchen.com
Add: Yangshan Supporting Area, Huishan District, Wuxi City, Jiangsu Province