Product Details:
Payment & Shipping Terms:
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Outer Diameter: | 20MM | Total Length: | 350MM |
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OD Of One End: | M12 X 1.25 | OD Of Another End: | M10 X 1.25 |
Material: | S 45 C | HRC: | > 48 |
Surface Roughness: | Rz0.2~0.4 / Ra0.1max | Salt Spray: | 48hrs - 120hours(Chromed) |
Highlight: | hydraulic piston rod,hollow piston rod |
20mm HRC 48 Hollow Piston Rod With Chrome Plated straightness 0.05mm used in shocks
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 | Ø20(-0.01/-0.04) |
Total Length | 350mm |
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:
Contact Person: Leela
Tel: 008618958226902