
12.5mm coaxiality 0.05 Shock Piston Rod with Chrome Plated HRC35-65 for automotive
Descriptions of Chrome Plating Piston Rod for Shock Absorber
Outer Diameter | Ø12.5(-0.01/-0.03) |
Total Length | 270mm |
Steel Material | CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel |
Tolerance | ISO f7 |
Chrome thickness | 20~30micron |
Hardness of the chrome layer | 950 HV Min |
Roughness | Ra 0.2micron (max) |
Straightness | 0.2/1000mm |
Yield Strength | ≥350 MPa |
Tensile Strength | ≥580 MPa |
Elongation | ≥ 15% |
Supply condition | 1. Hard Chrome Plated |
2. Induction Hardened | |
3.Quenched & Tempered | |
4.Induction hardened with Q&T |
Manufacturing Main Process description:
1. Hydraulic Steel Raw Material Cutting
2. CNC Machining + additional broaching and milling operations
3. Induction Hardening
4. Chrome Plating
5. Dehydrogenation and Tempering
6. Polish and Superfinish Polish
7. 100% Inspection
8. Craft Boxes and Wooden Case Packaging
Chemical Composition
Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
Ck45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | ≤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 |
42CrMo4 | 0.38-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.07-0.12 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.80-1.10 |
Mechanical 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 |
Description:
Surface treatment | Blackening, polishing, anodize, chrome plating, zinc plating, nickel plating, grinding… |
Quality Assurance | IATF16949:2016 certified/SGS/TUV |
Drawing formats | Solid works, Pro/Engineer, AutoCAD, UG, PDF |
Equipment used | Japan 5-axis TSUGAMI-B-038T CNC turing machine |
Japan 4-axis GAMA DMN-650 machining center | |
Cylindrical Bore Grinders | |
Wire EDM | |
Magnetic grinding machine/ grinding Vibration machining | |
Oven | |
Ultrasonic cleaning machine | |
Vacuum packing machine | |
Inspection device | VMS2.5d measuring machine |
Japan Mitutoyo tool microscope | |
Japan Mitutoyo digimatic micrometer | |
Japan Mitutoyo hardness tester | |
Japan Mitutoyo calipers | |
Japan Mitutoyo dial indicator | |
Japan Mitutoyo height measuring tool | |
Japan Mitutoyo tubular inside micrometer | |
Japan Marble platform | |
Go No Go gauge | |
Electronic digital display caliper Ring gauges | |
Industry used | Machinery; heavy duty equipment; electronic device; Auto spare parts; optical telecommunication… |
Advantage of Product
1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
4)Customizable: Non-standard sizes are also available
5)Small quantity is acceptable
6)Cash back: Refund or replacement for any product faulty
Picture:
Ningbo XiaYi Electromechanical Technology Co.,Ltd.
XIAYI, founded in 2006, was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. XIAYI is a specialized factory that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery parts and related automatic equipment. XIAYI has a strong R&D team with full of creative spirit. XIAYI develop new products and new equipment every year and was awarded two patents of utility model and invention patents.
The products include shock absorber piston, rod guider, base valve, oil seal, piston rod, bracket, spring seat, valves, guide pipe, bearing bush, copper bush, guide ring, PTFE ring and gasket, in addition XIAYI design and manufacture automatic machine such as banding machine and groove cutting machine.
As a manufacturer, XIAYI insists on pursuing better quality on and on. We control the quality from raw material to assure the consistency from one batch. We have carried out an integrated production system which is based on quality focus. We refer to the rigorous four aspects ( material importing control→ production line control→ QC department control→ logistic department control ) and quality control system to make sure all the products are intact before delivery.
As a seller, our products are exported to the whole world and sold nationally for more than 8 years. About 30% parts are exported to USA, Germany, France, Canada, Brazil, India, Malaysia etc., have set up good relationship with the customers from home and abroad. We have an intelligent marketing team who are exploring new markets, developing potential customers, solving problems and serving customers with orders well. We firmly believe that we are a competitive and friendly cooperator and our goal is for mutual benefit and long-term cooperation. XIAYI persons will always welcome customers from all over the world to visit and negotiate.
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