Product Introduction
HS Code | 8412210000 | Certification | ISO9001-2009, TS16949 |
Working Pressure | 16MPa-22MPa | Temperature | -30°C ~ 80°C |
Name | 4 Stage Hydraulic Cylinder | ||
Application | Dump truck, tipper, trailer, tractors and dump vehicles, garbage truck, sanitation vehicles, gantry crane…… | ||
Stroke | Max stroke 12000mm. Custom made as customer’s request | ||
Color | red black blue gray, Painting follow with customer requirement | ||
Mounting Type | Earring-trunnion, trunnion-ball mount, double earring (eye end) | ||
Honed tube (Barrel) | Heat treatment (Quenching and Tempering), honing, rolling | ||
Chrome Plated | Hard Chrome plated, thickness 0.02-0.04um Hardness: HV>750 | ||
Liner material | copper (prolongs the life cycle of cylinder) | ||
Piston rod | Should be hard chrome plated, minimum thickness of 20-50 microns and polished to 0.1-0.2 um Ra. | ||
Seals Type | PARKER (USA), MERKEL (Germany) or NOK (Japan), Hallite (UK), Kaden | ||
Seal kits | Durable and hard-wearing to ensure hydraulic cylinder a long service life | ||
Heat treatment | Quenching &Tempering which makes the piston rod super high hardness. | ||
Surface treatment | Shot blasting + Spray paint | ||
Cleaning | Ultrasonic cleaning | ||
Cutting | High precision provided by automatic roller cutting machine | ||
Testing | Ultrasonic detector, spectrograph, CMM, metallography, chrome thickness tester | ||
Lead time | 20~30 days depends on quantity & whether customized | ||
Warranty | 12 months warranty. If hydraulic cylinder quality problem we will free change a new one or free repair for you in one year warranty time. | ||
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Package and delivery
DALLAST 4 Stage Hydraulic Cylinder use material 27SiMn. Compared with ST52/ST52-3 steel, the tensile strength is increased by 59% and the yield strength is increased by 72%.
27SIMN Tensile strength and Yield strength compare with ST52-3 / E355
27simn | Tensile strength (σb/MPa) ≥ 1050 | ST52-3 | Tensile strength (σb/MPa) ≥ 510 | E355 | Tensile strength (σb/MPa) ≥ 490 |
Yield strength (σs/MPa): ≥ 950 | Yield strength (σs/MPa):≥ 355 | Yield strength (σs/MPa): ≥ 355 |
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