| Customization: | Available |
|---|---|
| Type: | Clay Dry Sand |
| Casting Method: | Thermal Gravity Casting |
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Product categories:
1. Seals kit: From USA, durable and hard-wearing with long service life.
2. Heat treatment: Quenching&Tempering which makes the piston rod super high hardness.
3. Cleaning: Ultrasonic cleaning
4. Cutting: High precision provided by automatic roller cutting machine.
5. Welding: Welded by the automatic welding machine.
6. Testing: Ultrasonic detector, spectrograph, CMM, metallography, chrome thickness tester.
7. Advantage: Simple structure & reliable work, easy maintenance & diverse connecting ways.
8. Plan: Different manufacturing plans for different customers.
9. MOQ: 10 PCS of small telescopic hydraulic cylinder
10. Lead time: 10~30 days depends on quantity & whether customized.
11. Warranty: Change a new one and we pay for the air freight in 3 years warranty time.
| Bore Size | B | C | D | E | Ports(NPT) |
| 1.50(38.10) | 0.77(19.56) | 2.25(57.15) | 2.00(50.80) | 2.00(50.80) | 1/4 |
| 2.00(50.80) | 1.02(25.91) | 2.75(69.85) | 2.25(57.15) | 2.50(63.50) | 3/8 |
| 2.50(63.50) | 1.02(25.91) | 3.25(82.55) | 2.25(57.15) | 3.00(76.20) | 1/2 |
| 3.00(76.20) | 1.02(25.91) | 3.75(95.25) | 2.25(57.15) | 3.50(88.90) | 1/2 |
| 3.50(88.90) | 1.27(32.26) | 4.25(107.95) | 2.25(57.15) | 4.00(101.60) | 1/2 |
| 4.00(101.60) | 1.52(38.61) | 4.75(120.65) | 2.50(63.50) | 4.50(114.30) | 1/2 |
| 5.00(127.00) | 1.77(44.96) | 5.75(146.05) | 3.25(82.55) | 5.50(139.70) | 1/2 |
1.Descriptions of Chrome Plated Shaft
| Size | 25.4~100mm |
| Length | 0.2m~2m |
| Material | 45#DIN CK45/JIS 45C |
| Tolerance | ISO f7 |
| Chrome Thickness | 25~30micron |
| Hardness of The Chrome Layer | 45~50HRC |
| Roughness | Ra0.4micron |
| Straightness | 0.2/1000mm |
| Yield Strength | ≥320Mpa |
| Tensile Strength | ≥580Mpa |
| Elongation | ≥15% |
| Supply Condition | 1.Hard chrome plated |
| 2.Induction hardened | |
| 3.Quenched&Tempered | |
| 4.Induction hardened with Q&T |
2.Chemical Composition
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| CK45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
| ST52 | 0.22 | 1.60 | 0.55 | 0.035 | 0.04 | ||
| ST37 | 0.17 | 1.60 | 0.55 | 0.04 | 0.04 | ||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.08-1.10 |
3.Mechanical Properties
| Material | T.S N/MM² | Y.S N/MM² | E%(MIN) | Condition |
| CK45 | 610 | 355 | 15 | Normalized |
| CK45 | 800 | 630 | 20 | Q+T |
| ST52 | 500 | 355 | 22 | Normalized |
| 20MnV6 | 750 | 590 | 12 | Normalized |
| 42CrMo4 | 980 | 850 | 14 | Q+T |
| 40Cr | 1000 | 800 | 10 | Q+T |
Declaration:
Products shown herein are made to the requirements of specific customers and are illustrative of the types of manufacturing capabilities available within Densen group of companies.
Our policy is that none of these products will be sold to 3rd parties without written consent of the customers to whom the tooling, design and specifications belong.
Shenyang New Densen Casting and Forging Company is the sales company of Shenyang Densen Group of Companies. Features of New Densen simply summarized as below:
1. Trusted supplier of steel, iron & non-ferrous components;
2. Extensive documented quality program in place.
3. Castings, forgings, stampings, machining, welding & fabrication services.
4. 9 related factories, over 50 joint-venture sub-contractors.
5. 25+ years of manufacturing experiences, 10+ years of exporting experience
6. 100% of products sold to overseas customers.
7. 50% of customer base is forturne 500 companies.
Densen Group Architecture:
Processing support
Casting Service:
Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.
New Densen offers multiple investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, lost foam casting, etc. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.01Kg to 150 tons separately.
Forging Service:
Forging is a manufacturing process involving the shaping of metal using localized compressive forces. New Densen offers open die forging, closed die forging and ring forging services. Material can be steel, iron and non-ferrous. Material can be handled include steel, iron, non-ferrous. Single component weight range is from 0.1Kg to 50,000Kgs.
Stamping Service:
Stamping (also known as punching) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.
New Densen-XBL has more than 60 sets stamping equipments, is the designed supplier for several famous bands automotive companies, has the full ability to offer whole processes from blanking, stamping, welding, to electrostatic spraying for worldwide customers.
Welding & Fabrication Service:
Welding Frabrication is the fabrication process of metal structures by cutting, bending, then assembling the components together through welding
New Densen offers manual arc welding ,laser welding and robot welding etc. UT, MPT,RT,PT all are available used for inspection, WPS &PQR (Welding Process Specification& Procedure Qualification Records) before production is available under clients' requirement.
Machining Service:
Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process.
New Densen-XBL has more than 60 sets precision machines incl. CNC center, boring, milling, lathing, etc., and more than 300 inspection instruments incl. 3 sets CMM with grade μm. Repeated tolerance can be maintained as 0.02mm. Meanwhile awarded by certificates ISO9001-2008; ISO/TS16949. New Densen-XBL specialized in high precise machining for small-middle-big metal components.
3rd Party Inspection:
New Densen worked as 3rd party inspection center besides its sister factories or sub-contractors' self inspection, Offers process inspection, random inspection and before delivedry inspection services for material, mechanical, inside defects, dimentional, pressure, load, balance, surface treatment, visual inspection and test. Weekly project follow-up report together with pictures and videos, full quality inspection documentation available.
New Densen also designed as 3rd party inspection representative for several customers when their products made by other suppliers.
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