12.5mm Hrc 48 Hollow Piston Rod With Chrome Plated Thickness More Than 20 μm
12.5mm HRC 48 Hollow Shock Piston Rod with Chrome Plated Thickness more than 20 μm
Descriptions of Chrome Plating Piston Rod for Shock Absorber
| Product Type | Shock Absorber Hollow Piston Rod |
| Material | Stainless steel, steel alloy, copper, brass, titanium steel |
| Machining method | Turning, Milling, Drilling, threading, stampling, punching |
Surface finish | Polishing, Chrome plating, zinc plating, blackening, Nickel plating, Electrophoresis, Anodization, Oxidation |
| Color | Metal colors available |
| OEM & ODM | Available |
| ROHS Compliance | Available |
| 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% |
| 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 |
| 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 | |
| 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 | |
| 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
Application:
Precision instruments, Surgical equipments, Automotive parts, Optical products, LED flash lights, Electronics parts, precise tools etc…
Picture:
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