mini excavator hydraulic cylinder for machine
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- Supplier: Donggang Hongyang Machinery Co. Ltd. [Liaoning China]Donggang
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Product Overview
Description
Product categories
mini excavator hydraulic cylinder for machine
HTR Series
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. Testing: Ultrasonic detector, spectrograph, CMM, metallography, chrome thickness tester.
6. Advantage: Simple structure & reliable work, easy maintenance & diverse connecting ways.
7. Plan: Different manufacturing plans for different customers.
8. MOQ: 10 PCS of hydraulic cylinders ram
9. Lead time: 10~30 days depends on quantity & whether customized.
10. Warranty: Change a new one and we pay for the air freight in 3 years warranty time.
| Bore | B | C | D | E | F | G | H | I | J | K | M | N | Tube O.D. | Ports (NPT) |
| 2.00 (50.80) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.000 (25.40) | 1.000 (25.40) | 1.142 (29.01) | 2.520 (64.01) | 2.835 (72.01) | 1.142 (29.01) | 2.520 (64.01) | M10 | 1-1/8 -12UNF | 2.375 (60.3) | 3/8 |
| 2.50 (63.50) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.000 (25.40) | 1.000 (25.40) | 1.142 (29.01) | 2.520 (64.01) | 3.150 (80.01) | 1.142 (29.01) | 2.520 (64.01) | M10 | 1-1/8 -12UNF | 2.875 (73.0) | 3/8 |
| 3.00 (76.20) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.125 (28.58) | 1.000 (25.40) | 1.142 (29.01) | 2.600 (66.04) | 3.740 (95.00) | 1.142 (29.01) | 2.520 (64.01) | M12 | 1-1/4 -12UNF | 3.375 (85.7) | 1/2 |
| 3.50 (88.90) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.125 (28.58) | 1.125 (28.58) | 1.142 (29.01) | 2.600 (66.04) | 4.134 (105.00) | 1.142 (29.01) | 2.520 (64.01) | M12 | 1-1/4 -12UNF | 3.875 (98.4) | 1/2 |
| 4.00 (101.60) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.125 (28.58) | 1.125 (28.58) | 1.142 (29.01) | 2.600 (66.04) | 4.724 (119.99) | 1.142 (29.01) | 2.600 (64.01) | M12 | 1-1/4 -12UNF | 4.375 (111.1) | 1/2 |
| 5.00 (127.00) | 1.015 (25.78) | 2.125 (53.98) | 1.625 (41.28) | 1.250 (31.75) | 1.500 (38.10) | 1.260 (3200) | 2.677 (68.00) | 6.000 (152.40) | 1.260 (32.00) | 3.500 (88.90) | M16M | 1-1/4 -12UNF | 5.453 (138.5) | 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 |
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