
China Factory OEM Micro Alloy Steel Chrome Piston Rod With High Strength
China Factory OEM Micro Alloy Steel Chrome Piston Rod with High Strength
Product Description
China Factory OEM Micro Alloy Steel Chrome Piston Rod With High Strength
Piston rod is made of 45 #,35# steel material, after high-frequency quenching, finishing and centerless grinding, har
Product process: cold drawn---blanking---straightening---coarse grinding---heat treatment---straightening---CNC blank---finishing---half coarse grinding---half fine grinding---fine grinding---fine polishing---plating---fine grinding---fine polishing---full inspection d chrome plating use micro-cracks plating process HV800-1050 (modulation processing hardness, high frequency quenching hardness,plating thickness and depth shall be subject to the user's drawing).
Heyi introduction
Our quality idea: Next process is customer, Excelsior to every process
Heyi spirit: Solidarity, Enterprise, Loyalty, Responsibility
Company tenet: Quality first, Credit principal
Service idea: Devoted to both benefits is our persistent style, Satisfy clients’ needs is our eternal pursue
Heyi target: be the benchmark in the field of China pneumatic and hydraulic piston rod

Quality Control
1. External Inspection: Purchased Item Inspection, Outsourcing Item Inspection
2. Process Inspection: First Inspection, Random Inspection, Handover Inspection
3. Final Quality Inspection: External Dimensions Inspection, 100% Hydraulic Test
4. Type Inspection
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 | 1.6 | 0.55 | 0.035 | 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 | 0.80-1.10 |
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 |

FAQ
1.Q:May i know which payment will be accepted by your company?
A:So far 100%T/T before shipment, and 30% deposit paid by T/T, balance payment before shioment.
2.Q:About the after-sale service, how can you solve the problems occurred of your overseas customer in time?
A:We can accept return products and replace them.
3.Q:How can i trust your company?
A:With 18-years-professional design, we can provide you suitable suggestion and lowest price.
4.Q:Is your price competitive?
A:Only good quality rods we supply. Surely we will give you best factory price based on superior product and service.
5.Q:What is terms of delivery?
A:We can accept FOB, CIF, CFR. It is according to customer’ requirement.


Please feel free to send us your detailed requirements, you would be satisfied with our service.
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