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.
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High Performance Durable Hydraulic Piston Rods Length 1m - 8m
Detailed Product Description
1. Material: CK45,42CrMo4, ST52, 20MnV6, 40Cr, HY4520, HY4700
2. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened
3. Application: Mining machinery industry, textile / printing industry and so on
4. Specification length: Ø6mm-12mm length 1000mm - 2000mm
Ø16mm-35mm length 2000mm - 4000mm
Ø40mm-220mm length 4000mm - 8000mm
Ø250mm-1000mm length 4000mm - 8000mm
5. Completed manufactured equipments
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 |
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| 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) |
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| 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 | |
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4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6. TOLERANCES ON DIA
ISO f7 on the diameter
7.OVALITY
Half of the tolerance ISO f7
8. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micron
9.SURFACE HARDNESS
850-1150HV (vickers 100g)
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
