Jiangsu New Heyi Machinery Co., Ltd
Jiangsu New Heyi Machinery Co., Ltd Be the benchmark in the field of China pneumatic and hydraulic piston rod.
Add to Cart
Great Performance Chrome Hydraulic Cylinder Rod Length 1m - 8m
Detailed Product Description
1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr, HY4520, HY4700
2. Manufacturer specialized in producing precision long small diameter axes and hydraulic piston rod
3. Ground and chrome plated
4. Application: Mining machinery industry, textile / printing industry and so on
5. Diameter: 6mm - 1000mm, Length: 1000mm-8000mm
Detailed Description
1. CHEMICAL COMPOSITION(%)
| Material | C% | Mn% | Si% | S% | P% | V% | Ni | Cr% | Mo | Cu |
| ck45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |
| ≤0.25 | ≤0.25 |
| ≤0.25 |
| ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | 0.02-0.15 |
|
|
|
|
| 20MnV6 | 0.17-0.24 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | 0.035 | 0.10-0.20 | ≤0.30 | ≤0.30 |
| ≤0.30 |
| 42CrMo | 0.38-0.45 | 0.5-0.8 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.07-0.12 | ≤0.03 | 0.90-1.20 | 0.15-0.25 | ≤0.03 |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 |
| ≤0.3 | 0.80-1.1 |
| ≤0.03 |
| HY4700 | 0.38-0.45 | 1.20 ~1.60 | 0.30~0.50 | ≤0.035 | ≤0.020 | 0.05～0.15 | ≤0.25 | 0.10～0.20 | ≤0.15 | 0.25 |
| HY4520 | 0.40 ~0.48 | 0.80 ~1.40 | 0.15 ~0.35 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 | ≤0.15 | ≤0.25 |
2. MECHANICAL PROPERTIES
|
Material | T.S / Rm(MPa) | Y.S / Rel(MPa) | A% |
CHARPY |
CONDITION |
| ck45 | 610 | 355 | 16 | >41J | Normalized |
| ck45 | 800 | 540 | 20 | >41J | Q+T |
| ST52 | 500 | 355 | 22 |
| Normalized |
| 20MnV6 | 750 | 590 | 12 | >40J | Normalized |
| 42CrMo4 | 980 | 850 | 14 | >47J | Q+T |
| 40Cr | 1000 | 800 | 10 |
| Q+T |
3. MICRO ALLOY STEEL
| Material | MECHANICAL PROPERTIES | Surface hardness(HBW) | |||||
| Rm(MPa) | Rel(MPa) | A% | Z% | KU2(J) |
| ||
| HY4700 | Φ35 - Φ100 | 900 - 1100 | ≥650 | ≥16 | ≥35 | ≥39 | 270-340 |
| ＞Φ100 - Φ140 | 850 - 950 | ≥600 | ≥16 | ≥35 | ≥39 | 270-340 | |
| HY4520 | Φ40 - Φ100 | 750 - 900 | ≥520 | ≥19 | ≥40 | ≥39 | 230-290 |
| ＞Φ100～Φ140 | 750 - 900 | ≥520 | ≥17 | ≥35 | ≥39 | 230-290 | |
|
|
|
|
|
|
|
|
|
4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micron
7. TOLERANCES ON DIA
ISO f7 on the diameter
8 .SURFACE HARDNESS
850-1150HV (vickers 100g)
9.OVALITY
Half of the tolerance ISO f7
10. STRAIGHTNESS
≤0.2MM/M
11. COHESION
No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)
12 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
13. CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-120hours
Results evaluation according to ISO 4540 RATING 7-10
14. WELDABILITY
Good
15. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
16. CERTIFICATE
All certificate related with material heat treatment and plating is required
