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[China]
Trade Verify
Address: Yangshan Industrial Park Huishan District Wuxi Jiangsu China
Contact name:Patty
Jiangsu New Heyi Machinery Co., Ltd |
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Verified Suppliers
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42CrMo4 , 40Cr Chrome Piston Bar Quenched Tempered High Strength
| Piston Rod |  |
| Size: Ø 6-300mm | |
| Length: 1m -8m | |
| Material: ck45,42CrMo4,40Cr | |
| Tolerance: ISO f7 | |
| Chrome thickness: 20~30micron | |
| Hardness of the chrome layer: 850HV(min) | |
| Roughness: Ra 0.2micron (max) | |
| Straightness: 0.2/1000mm | |
| Mechanical properties: (CK45/JIS 45C) | |
| Yield Strength ≥320 Mpa | |
| Tensile Strength ≥580 Mpa | |
Elongation ≥ 15% |
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 |
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ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 |
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20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 |
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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 |
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| 0.80-1.10 |
Mechancial Properties:
Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
CK45 | 800 | 630 | 20 | >41J | Q + T |
ST52 | 500 | 355 | 22 |
| NORMALIZE |
20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
40Cr | 1000 | 800 | 10 |
| Q + T |
COHESION
No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling
in water)
POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
WELDABILITY
Good
PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
CERTIFICATE
All certificate related with material heat treatment and plating is required
Jiangsu New Heyi is specialized in hydraulic piston rod with an experience of 16 years on research and machining technology. There are more than 200 employees, including 22 technical engineers, 10 researchers and one Senior technicians. Through technical innovation and exquisite machining process, our products have played the leading role at home and aboard many years.
1.Q: How many days of your delivery?
A: The general delivery is 30~50 days according to your quantity.
2.Q: What's your main market?
A: We mainly export to Middle East and South Eastern Asia. And this year our products enter into South America.
