Quenching Oils
Quenching Oils are specially formulated heat treatment fluids designed for the controlled cooling of steel and alloy components after heating. The choice of quenching oil depends on the grade, composition, and cooling speed required. These factors directly impact the hardness, mechanical properties, and durability of the treated parts.
Quenching Oil (Grades: 22, Special 22, 32, Special 32, 68)
Product Description
Dana Quenching Oils are mineral-based heat treatment oils blended with oxidation inhibitors and cooling improvers. They ensure:
Uniform cooling rates
Controlled hardness
Reduced distortion and cracking
Applications
General-purpose heat treatment of carbon steel, alloy steel, and cast components
Suitable for gears, bearings, tools, shafts, springs, and fasteners
Grade selection depends on component thickness and desired cooling speed
Composition
Refined paraffinic/mineral base oils
Antioxidant and anti-wear additives
Cooling accelerators (in Special grades)
Performance by Grade
Quenching Oil 22 & Special 22
Fast quenching, suitable for thin sections and high-hardness requirements
Special 22 → contains enhanced cooling agents
Quenching Oil 32 & Special 32
Medium-fast quenching for general-purpose applications
Special 32 → better oxidation stability and faster cooling than standard 32
Quenching Oil 68
Medium-speed quenching oil with higher viscosity
Suitable for heavy-duty applications and thicker parts requiring slower cooling
Marquench Oils (220 & 460)
Product Description
Marquench oils are designed for martempering and austempering operations. They operate at 150°C–220°C, reducing stress and distortion.
Applications
Suitable for alloy steels, springs, gears, and heavy-duty parts
Used where uniform hardness and minimum cracking are required
Composition
High-viscosity, thermally stable base oils
Oxidation inhibitors for high-temperature resistance
Performance
Marquench 220 → Medium viscosity, suitable for most martempering
Marquench 460 → Higher viscosity, ideal for heavy-section parts with slower, controlled cooling
Synquench Oils (330 & 440)
Product Description
Synquench oils are synthetic quenching fluids developed for consistent cooling and extended oil life. They provide precise control of cooling rates and excellent oxidation resistance.
Applications
Automotive and aerospace industries
Precision tools and high-alloy steel components
Used for distortion-sensitive parts
Composition
Synthetic base oils with advanced additive technology
Oxidation and thermal stabilizers
Friction modifiers for uniform heat transfer
Conclusion
Choosing the correct Dana Quenching Oil grade is essential for:
Achieving the desired hardness
Reducing distortion and cracking
Extending component life
Summary by Grade:
Quenching Oil (22, 32, 68): General-purpose mineral oils
Special Grades (22 & 32): Faster cooling and better stability
HS 70: High-speed cooling for maximum hardness
Marquench Oils (220 & 460): Martempering oils with reduced stress
Synquench Oils (330 & 440): Synthetic oils with superior performance and longer service life
About Us
Dana Lubes, based in the UAE, is a trusted global lubricant manufacturer with over 25 years of expertise. We supply high-quality oils and lubricants across 70+ countries, including the MENA region, Europe, UK, USA, Canada, Australia, and the Caribbean Islands.
Our Product Range:
Automotive Oils – Engine oils for cars, trucks, vans (light & heavy vehicles)
Industrial Oils – Metalworking fluids, compressor oils, turbine oils, hydraulic & transmission oils
Agricultural Oils – Tractor oils, UTTO, gear oils
Marine Oils – 2T & 4T engine oils for boats, yachts, and outboards
Greases – High-temperature, water-resistant, lithium, calcium, graphite & MoS₂ greases
Specialty Oils – Transformer oil, dielectric oils (paraffinic & naphthenic)
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Partner with DANA Group today:
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