ASTM A453 Grade 660, commonly known as A286, is a high-strength superalloy that is often used in demanding applications, particularly in the aerospace and petrochemical industries. ASTM A453 Grade 660 is renowned for its exceptional high-temperature stability, corrosion resistance, and mechanical properties, making it an ideal material for critical components such as hex nuts.


ASTM A453 Grade 660 hex nuts offer several key advantages. Firstly, their high-temperature resistance is noteworthy, with ASTM A453 Grade 660 retaining its strength and integrity at temperatures as high as 1300°F (704°C). This characteristic makes it invaluable in situations where extreme heat and pressure are present, such as gas turbine and jet engine components. The alloy's resistance to oxidation and sulfidation further enhances its suitability for high-temperature applications.


ASTM A453 Grade 660 Hex Nut, A453 Gr.660 Class A Hex Nut, ASTM A453 Gr 660 Heavy Hex Nut, ASME B18.2.2 Grade 660 CL B Heavy Hex Nuts, Alloy Gr.660 Hex Nuts, ASTM A453 Gr 660 Hex Nuts, A453 Grade 660 Hex Nuts Supplier in Mumbai, India.


ASTM A453 Gr 660 Hex Nuts
  • UNS

    S66286

  • Grade

    660

  • ASTM

    B453

  • SHARE

ASTM A453 Gr 660 Class C Hex Nuts, ASTM A453 Gr.660 CL.D Hex Nut Stockist, ASTM A453 Gr.660 Hex Nut Dimensions, A453 Gr 660 Hex Flange Nut, ASTM A453 Grade 660 CL B Hexagonal Nut, A453 Gr.660 Hex Jam Nuts, ASTM A453 Gr 660 Hex Coupling Nuts, A453 Grade 660 Heavy Duty Hexagon Nuts.


ASTM A453 Grade 660 is also highly corrosion-resistant, making it suitable for use in harsh environments, including marine, chemical, and industrial settings. Its resistance to pitting and crevice corrosion, coupled with excellent mechanical properties, ensures the reliability and longevity of components like hex nuts.


The mechanical properties of ASTM A453 Grade 660 hex nuts are exceptional. They exhibit high tensile strength, good ductility, and outstanding fatigue strength. These attributes translate to robust fasteners that can withstand heavy loads and cyclic stresses. ASTM A453 Grade 660 6hex nuts are capable of maintaining their performance over long periods, reducing the need for replacements and maintenance, which is particularly advantageous in critical applications where safety and reliability are paramount.


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fevicon-logoASTM A453 Gr.660 Hex Nuts Specification

SpecificationsASTM B453 / ASME SB453
Size Cold Forming process: M2-M24
Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
CNC Machining for M100 / 4” Dia, up to 1500mm lg
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Hex Nuts
Diameter1/4 "-4" Metric:M3 to M100
Types Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts
DIN Standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
DimensionsASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2
ThreadsMETRIC, BSW, UNC, UNF, BSF or as required
Hex Nuts FormingHot Forged Hex Nuts & Cold Forged Hex Nuts
UTS – Unified Thread StandardUNC, UNF, NPT, UNS, UNEF, NPTF

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fevicon-logo Equivalent Grades Of ASTM A453 Gr.660 Hex Nuts

STANDARD WERKSTOFF NR. UNS
ASTM A453 Gr. 660 - S66286

fevicon-logo Chemical Composition of ASTM A453 Grade 660 Hex Nuts


Element
Content %
Grade 660 UNS S66286
Carbon 0.08 max
Manganese 2.00 max
Phosphorus 0.04 max
Sulfur 0.03 max
Silicon 1.00 max
Nickel 24.00 - 27.00
Chromium 13.50 - 16.00
Molybdenum 1.00 - 1.50
Titanium 1.90 - 2.35
Aluminum 0.35 max
Vanadium 0.10 - 0.50
Boron 0.001 - 0.010

fevicon-logo Mechanical Properties of ASTM A453 Gr 660 Hex Nuts

Grade Class Tensile Strength Yield Strength Elongation
in 4D, min, %
Reduction
of Area, min, %
Brinell
Hardness
Number
Approximate
Rockwell
Hardness, B & C
Ksi Mpa Ksi Mpa min max
Grade 660 A, B and C 130 895 85 585 15 18 248-341 24 HRC 37 HRC
Grade 660 D 130 895 105 725 15 18 248-341 24 HRC 35 HRC

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fevicon-logo Types of A453 Grade 660 Hex Nuts

Hex Nuts

ASTM A453 Gr.660 Hexagon Nuts

Heavy Hex Nuts

ASTM A453 Gr.660 Heavy Hex Nuts

Hex Weld Nuts

ASTM A453 Gr.660 Hex Weld Nuts

Hex Flange Nut

ASTM A453 Gr.660 Hex Flange Nut

Hex Coupling Nut

ASTM A453 Gr.660 Hex Coupling Nut

Hex Jam Nut

ASTM A453 Gr.660 Hex Jam Nut

Slotted Hex Nuts

ASTM A453 Gr.660 Slotted Hex Nuts

Hex Nylock Nuts

ASTM A453 Gr.660 Hex Nylock Nuts


Hex Nuts Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools


fevicon-logo Other Types Of ASTM A453 Gr.660 Hex Nuts

ASTM A453 Gr.660 Hex Nuts Supplier in Mumbai A453 Gr.660 Class A Hex Nuts Manufacturer
ASTM A453 Gr.660 Hex Nuts Stockist in Mumbai Alloy Gr 660 Hex Nuts Stockist
Alloy Grade 660 CL B Hex Nut Supplier in India A453 Gr.660 Hex Thin Nuts
ASTM A453 Gr.660 CL.D Hex Nut Suppliers ASTM A453 Gr.660 Industrial Hex Nuts
ASTM A453 Grade 660 Hex Nuts Stockist in India A453 Gr.660 Class A Hexagon Dome Nuts
Alloy S66286 Hex Nut ASTM A453 Gr 660 Hexagonal Nuts
ASTM A453 Grade 660 CL B Slotted Hex Nuts Alloy Gr.660 Hex Nuts Manufacturer in Mumbai
ASTM A453 Gr 660 Hex Nuts Manufacturer in India High Quality A453 Grade 660 Hex Nuts

fevicon-logo ASTM A453 Grade 660 Hex Nuts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
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