Iso 46 hydraulic oil specs



Product Description

The CT AW Anti-Wear Hydraulic Oils are formulated from severely hydro- processed base stocks with excellent stability. They are rust and oxidation inhibited and contain a special anti-foamant that permits very rapid release of entrained air. They also contain a very effective zinc-type anti-wear agent that helps minimize wear in high pressure hydraulic systems.

Featured Benefits
  • Corrosion and wear protection for critical components
  • Oxidation stability for long service life
  • Rapid release of any entrained air
  • Resistance to sludge and varnish formation
  • Easy filterability

Denison HF-0 and HF-1 and HF-2
Vickers I-286-S and M-2950-S
Cincinnati Milacron P-68 and P-69 and P-70
U.S. Steel 126 and 127 and 136
AFNOR NFE 48-603 Part 1
DIN 51524 Part II

Typical Properties
Flash Point400°F (204°C)
ISO Viscosity GradeISO 46
Pour Point-22°F (-30°C)
Rust Protection, ASTM 665B A&BPass
Specific Gravity0.879
Viscosity (40°C)46 cSt @ 40°C
Viscosity Index>98

Chevron Clarity Hydraulic Oil AW 46


Brand Clarity
Viscosity ISO 46
Viscosity Index 101
Kinematic Viscosity cSt 40°C 46.0
Kinematic Viscosity cSt 100°C 6.8
Viscosity Saybolt 100°F 237
Viscosity Saybolt 210°F 49.0
Pour Point, °C(°F) -30C (-22F)
Flash Point 224C (435F)
Specific Gravity API 31.9
Color Other
Spec Oxidation Stability Hours to 2.0 mg KOH/g acid number, ASTM D943: > 18,000a;

Detailed Product Description

Clarity Hydraulic Oils AW 46 are formulated with premium base oil technology and an ashless (“zinc-free”) additive system that provides exceptional oxidation stability, water separability, foam suppression, and protection against wear, rust and corrosion. They are designed to meet or exceed the performance requirements of conventional antiwear hydraulic oils, especially in severe, high-output applications such as axial piston pumps. The antiwear performance of these oils makes them especially suited for high performance industrial applications utilizing axial piston pumps where pressures may exceed 5000 psi.


Clarity Hydraulic Oils AW are designed for use in mobile and stationary hydraulic vane-, piston-, and gear-type pumps.
Clarity Hydraulic Oils AW have shown excellent performance in applications involving servo-valves using multimetal components.

Clarity Hydraulic Oils AW meet the requirements of:

  • ASTM D6158 HM (ISO 32, 46, 68), HV (ISO 100)
  • Denison HF-0, HF-2 testing requirements of T5D (ISO 32, 46, 68)
  • DIN 51524-2 (ISO 32, 46, 68)
  • DIN 51524-3 (ISO 100)
  • Eaton-Vickers for use in M-2950-S (mobile) and I-286-S (stationary) hydraulic systems. Passes Eaton-Vickers 35VQ25 pump test. (ISO 32, 46, 68)
  • ISO 11158 L-HV (ISO 100)
  • Fives Cincinnati (formerly MAG Cincinnati, Cin Machine, Cin Milacron) P-68 (ISO 32), P-70 (ISO 46), P-69 (ISO 68)
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The AW 46 Hydraulic Oil Specifications

AW 46 hydraulic oil is high-quality oil suitable for many industrial and mobile uses, including boats, elevators, pneumatic tools, construction equipment and winches. It has some advanced engineered properties that protect against rust and corrosion. The hydraulic oil is also resistant to foaming, which causes poor, slow hydraulic system response.

Specific Gravity and Density

Specific gravity is the ratio of a liquid's density to the density of water. AW 46 hydraulic oil's specific gravity is 0.868. Its density is 7.23 lbs per gallon.

Flash Point

A liquid's flash point is the lowest temperature it begins to vaporize and mix with air to create an ignitable mixture. AW 46's flash point is 227 degrees Celsius, which is 441 degrees Fahrenheit.


The viscosity of a liquid is a measure of how thick it is and it depends on temperature. Manufacturers generally measure viscosity in centistokes (cSt). At 40 degrees Celsius, AW 46's viscosity is 46 cSt, giving it its name. At 100 degrees Celsius, its viscosity thins out to 6.8 cSt.

Further Properties

AW 46 hydraulic oil's viscosity number is exactly 100. Its acid number is 0.38. Last, it is 0.043 percent zinc by weight.

Writer Bio

Joe Friedman began writing in 2008 while in the U.S. Air Force as a KC-10 tanker pilot. He is now an equipment engineer in the semiconductor manufacturing industry. Friedman holds a Bachelor of Science in engineering physics from Embry-Riddle Aeronautical University and a Master of Science in electrical engineering from Drexel University.

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(submitted by the website administration)

Hydraulic oil 46
Mineral based hydraulic oil
PropertyValue in metric unitValue in US unit
Density at 60°F (15.6°C) 0.871 *10³ kg/m³ 54.4 lb/ft³
Kinematic viscosity at 104°F (40°C) 46.3 cSt 46.3 cSt
Kinematic viscosity at 212°F (100°C) 6.94 cSt 6.94 cSt
Viscosity index 106 106
Flash point 220 ºC 428 ºF
Pour Point -30 ºC -22 ºF
Aniline Point 108 ºC 226 ºF
Color max. 2.0 max. 2.0

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Hydraulic oil specs iso 46

Hydraulic Oil ISO 46

Hydraulic Oil ISO 46 is exceptional quality, top achievement hydraulic oil developed to accommodated the appeal for environmentally acceptable hydraulic fluids. This product is based on synthetic, readily biodegradable esters. A high-performance, carefully selected additive package gives excellent anti-wear and extreme pressure properties as well as good thermal stability and corrosion protection. Inherently strong oxidation resistance anticipate gumming and drop accumulation at top temperatures. Because of the high natural VI of the base fluid and low pour point, the viscosity temperature behavior allows for a very wide operating temperature range.

Hydraulic Oil 46 is recommended where there could be accidental fluid loss into the environment or where surface water contamination should be avoided.Application areas cover industrial, forestry and abyssal and decidedly in adaptable equipment. This can cover decay baptize analysis plants, reservoirs, waterways, parkland, drilling, backwoods machines, dredgers, river sluices and agriculture machines, etc. On ships, applications could cover bow thrusters, , propeller systems and deck machinery.


Applications :

Hydraulic Oil ISO 46 is also suitable for use in the power and energy industry, particularly in wind turbine applications. There are some special handling procedures with the Hydraulic Oil series. Hydraulic Oil series is fully miscible with mineral oil based hydraulic oils, its biodegradability will be minimized if the two product types are mixed. It is always recommended to test for miscibility. Residual quantities of mineral oil should be kept at a minimum. Furthermore, paint finishes should be on 2 part epoxy system. Metals such as zinc and tin should be avoided wherever possible. The cleaning effect of these fluids can dislodge large amounts of dirt, which can shorten filter life.


Specifications :

Hydraulic Oil meets the requirements of:46
ISO L-HEES, (ISO 15380, 2011)X
Swedish Standard, SS 15 54 34 (2003)X
WGK –Non Water HazardousX


Features and Advantages :

Hydraulic Oil ISO 46 gives wide temperature range performance. Their exceptional anti-wear, lubricity and film strength characteristics assure performance in hydraulic and circulation systems operating under moderate to severe conditions. The ready biodegradability and virtually non-toxic nature of this products makes it an excellent choice where leakage or spillage could enter environmentally sensitive areas. The inadvertent leakage of spillage of this product in environmentally sensitive areas could result in easily clean up and lower remediation costs.

Readily biodegradable hydraulic oil
Very low Water Endangering Class – NGW
Minimizes potential for environmental damage
Lowers potential remediation and clean-up costs caused by spills or leakage
Becomes an integral part of plant environmental programmes
High viscosity index and low pour pointIt Allows a wide operating temperature range
Excellent water demulsibilityAvoids deposit formation and filter plugging for enhanced equipment reliability
Outstanding corrosion protection and multi metal compatibilityIt reduces corrosion of internal system components
Will not react with steel or copper alloys
Excellent anti-wear/EP propertiesProtects system components against wear and scuffing
Gives long equipment life
Rapid air release propertiesOptimum circulation efficiency and suitability for systems even with small sumps.
Good compatibility with seals and jointsWorks good with same elastomers used with conventional mineral based oils


Technical Specifications :

Hydraulic Oil46
Colour, ISO 20492.0
Viscosity, ASTM D 445
cSt @ 40ºC47
cSt @ 100ºC9
Viscosity Index, ASTM D 2270176
Pour Point, ºC, ASTM D 97-39
Flash Point, ºC, ASTM D 92310
Density @ 15 ºC kg/l, ASTM D 4052922
FZG Scuffing, DIN 51534, A/8.3/90, Fail Stage12

Handling health & Safety :

Lubricants consisting of highly refined mineral oils with specification additives. In normal conditions of use, this lubricant presents no particular toxic hazard. All lubricants, of any kind should be handled with great care, particularly avoiding can contact with the skin.

Prevent any splashing, and keep away from combustible materials. Store under cover and away from any risk of pollution. Dispose off the used oil correctly; don’t pour down drains, into watercourses or the soil.


Hydraulic 46 Hydraulic Fluid Supplier

Hydraulic 46 – ISO 46 Hydraulic Oil You Can Trust

If your business regularly uses hydraulic pumps and hydraulic systems, that calls for hydraulic oils that can be relied on. That’s why at Crown Oil, we blend Hydraulic 46 in an ISO 46 viscosity grade hydraulic fluid.

Hydraulic 46 is part of Crown Oil’s range of premium-grade mineral-based hydraulic oils with good anti-wear properties providing protection in the most demanding of systems while still meeting ISO standards for hydraulic oil. This hydraulic fluid is rust, corrosion and oxidation inhibited. Additionally, it contains an effective anti-foam additive to control foam and facilitates the rapid release of entrained air, therefore maximising hydraulic system efficiency.

To learn more about our hydraulic oils, read our in-depth guide to hydraulic fluids.

Hydraulic 46 uses

Common applications for ISO 46 hydraulic oil include:

  • machining headstocks
  • power steering
  • tipping gear
  • bulldozers
  • compressors

As a result, Crown Oil’s Hydraulic 46 is perfectly suited to the above uses and many other high-pressure industrial uses.

ISO 46 hydraulic oil properties

As a hydraulic fluid, you can expect Hydraulic 46 to have the following properties:

  • Excellent anti-wear properties
  • Excellent anti-corrosion, anti-rust properties
  • Low air retention/air entrainment properties
  • Low foaming properties
  • Shear stable properties
  • Good thermal stability properties
  • Resistance to oxidation properties

Hydraulic oil 46 specifications

Hydraulic 46 has the below specifications:

  • Density (Kg/L): 0.869
  • Viscosity (cSt at 40°C): 46
  • Viscosity (cSt at 100°C): 7.0
  • VI: 108
  • Flashpoint (°C): 230
  • Pour Point (°C): -13

Hydraulic 46 delivery

At Crown Oil, we supply our ISO 46 hydraulic oil blend, Hydraulic 46, to businesses across the UK. Choose Crown Oil to be supplied with hydraulic oil that meets ISO 46 standards in deliveries of:

  • 20-litres
  • 25-litres
  • 205-litre drums

Benefits of choosing Crown Oil Hydraulic 46

There are plenty of reasons to choose Crown Oil as your supplier of ISO 46 hydraulic oil, including:

  • Nationwide delivery
  • Competitive prices
  • We can deliver same day, next day or whenever you require oil anywhere in the UK
  • Hydraulic fluids designed to perform in demanding environments

What’s more, Crown Hydraulic Oils are blended to meet the requirements of the following specifications:

  • DIN 51524 Part 2 (HLP)
  • Sperry Vickers 1-286-S
  • ISO 6743/4 (HM)
  • Afnor NF E 48-603 (HM)
  • Denison TP 02100
  • ISO 11158 (HM)
  • VDMA 24318
  • US Steel 126,127

Our other hydraulic oils

As well as Hydraulic 46, we also supply other industrial quality hydraulic oils, including:

For more information about Hydraulic 46 or for a competitively -priced hydraulic fluid quote, speak to our team by calling us on 0330 123 1444.


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