•   0091-22-66157017
  •   info@torqbolt.com
  • Home

    A286 Hex Bolts

    A286 Hex Bolts

    Alloy A286 Hex Bolts, also known as super alloy A-286, contains iron-nickel-chromium with additions of Molybdenum and Titanium. TorqBolt Inc. stocks a wide range of A286 products utilized in high-temperature conditions in various industries, such as Offshore, Oil & Gas, Building, Aerospace, and Automotive Industry. The Alloy A286 feature impeccable characteristics of excellent fabrication, good machinability, good oxidation resistance, high creep-rupture strength, and high corrosion resistance. While the experts recommend no use of this alloy in Sulfur acid environments, these alloys provide oxidation resistance up to 1500°F (815°C). These acidic environments are generally found in the high-temperature exhaust streams. Call us for inquiries!

    Table Of Contents

    A286 Hex Bolt Chemical Properties

    Nickel 24.0-27.0
    Iron Balance*
    Chromium 13.5-16.0
    Titanium 1.90-2.35
    Molybdenum 1.0-1.5
    Vanadium 0.10-0.50
    Carbon 0.08 max.
    Manganese 2 max.
    Silicon 1 max.
    Aluminum 0.35 max.
    Sulfur 0.03 max.
    Boron 0.001-0.01

    A286 Hex Bolt Mechanical Properties

    MECHANICAL & PHYSICAL PROPERTIES 21°C 93°C 204°C 427°C 537.8°C 649°C 760°C
    Coefficient of Thermal Expansion µm/m°C - 16.6 - 17.3 17.6 17.8 18.5
    Modulus of Elasticity / x105 MPa - - - - 1.65 1.52 1.59
    Ultimate Tensile Strength/ MPa 999.7 - 986 951.5 903.2 710.2 441.3
    0.2% Yield Strength/ MPa 655 - 641.2 641.2 599.8 606.7 427.5
    Elongation % 24 - 21 18 18 13 18
    Thermal Conductivity kcal/(hr.m.°C) - 11.9 - 14.6 19.3 21 -

    A286 Hex Bolt Dimensions

    A286 Hex Bolt Dimensions

    NOM. THREAD DIAMETER (d) THREAD PITCH (coarse) a max. washer e min. k Max. = Nom. Dimensions s
    min. max. Nom. Dimensions min. max. min.
    M3 0.5 1.5 0.15 0.4 6.01 2 1.88 2.12 5.5 5.32
    M4 0.7 2.1 0.15 0.4 7.66 2.8 2.68 2.92 7 6.78
    M5 0.8 2.4 0.15 0.5 8.79 3.5 3.35 3.65 8 7.78
    M6 1 3 0.15 0.5 11.05 4 3.85 4.15 10 9.78
    (M7) 1 3 0.15 0.5 12.12 4.8 4.65 4.95 11 10.73
    M8 1.25 3.75 0.15 0.6 14.38 5.3 5.15 5.45 13 12.73
    M10 1.5 4.5 0.15 0.6 18.9 6.4 6.22 6.56 17 16.73
    M12 1.75 5.25 0.15 0.6 21.1 7.5 7.32 7.68 19 18.67
    M14 2 6 0.15 0.6 24.49 8.8 8.62 8.98 22 21.67
    M16 2 6 0.2 0.8 26.75 10 9.82 10.18 24 23.67
    (M18) 2.5 7.5 0.2 0.8 30.14 11.5 11.28 11.72 27 26.67
    M20 2.5 7.5 0.2 0.8 33.53 12.5 12.28 12.72 30 29.67
    (M22) 2.5 7.5 0.2 0.8 35.72 14 13.78 14.22 32 31.61
    M24 3 9 0.2 0.8 39.98 15 14.78 15.22 36 35.38
    (M27) 3 9 0.2 0.8 45.2 17 16.65 17.35 41 40
    M30 3.5 10.5 0.2 0.8 50.85 18.7 18.28 19.12 46 45
    (M33) 3.5 10.5 0.2 0.8 55.37 21 20.58 21.42 50 49
    M36 4 12 0.2 0.8 60.79 22.5 22.08 22.92 55 53.8
    (M39) 4 12 0.3 1 66.44 25 24.58 25.43 60 58.8
    M42 4.5 13.5 0.3 1 71.3 26 25.58 26.42 65 63.1
    (M45) 4.5 13.5 0.3 1 76.95 28 27.58 28.42 70 68.1
    M48 5 15 0.3 1 82.6 30 29.58 30.42 75 73.1
    NOM. THREAD DIAMETER (d) THREAD PITCH (coarse) a washer face e min. Nom. Dimensions K max. s
    max. min. max. min. max. min.
    M3 0.5 1.5 0.15 0.4 6.01 2 1.88 2.12 5.5 5.32
    M4 0.7 2.1 0.15 0.4 7.66 2.8 2.68 2.92 7 6.78
    M5 0.8 2.4 0.15 0.5 8.79 3.5 3.35 3.65 8 7.78
    M6 1 3 0.15 0.5 11.05 4 3.85 4.15 10 9.78
    M8 1.25 3.75 0.15 0.6 14.38 5.3 5.15 5.45 13 12.73
    M10 1.5 4.5 0.15 0.6 17.77 6.4 6.22 6.58 16 15.73
    M12 1.75 5.25 0.15 0.6 20.03 7.5 7.32 7.68 18 17.73
    M14 2 6 0.15 0.6 23.35 8.8 8.62 8.98 21 20.67
    M16 2 6 0.2 0.8 26.75 10 9.82 10.18 24 23.67
    M20 2.5 7.5 0.2 0.8 33.53 12.5 12.28 12.72 30 29.67
    M24 3 9 0.2 0.8 39.98 15 14.78 15.22 36 35.38
    M30 3.5 10.5 0.2 0.8 50.85 18.7 18.28 19.12 46 45
    M36 4 12 0.2 0.8 60.79 22.5 22.08 22.92 55 53.8

    A286 Hex Bolt Specifications

    • AECMA PrEn2171
    • AECMA PrEN2119
    • AECMA PrEN2172
    • AECMA PrEN2173
    • AECMA PrEN2174
    • AECMA PrEN2303
    • AECMA PrEN2304
    • AECMA PrEN2398
    • AECMA PrEN2399
    • AECMA PrEN3510
    • A286 AMS 5737
    • A286 AMS 5853
    • A286 AMS 5895
    • A286 AMS 5726
    • A286 AMS 5731
    • A286 AMS 5732
    • A286 AMS 5734
    • ASME SA 891 (Type 1, 2)
    • ASME SA 638 (Grade 660 Type 1, 2)
    • ASME SA 453 (Grade 660 Class A, B, C, D)
    • ASTM A891 (Type 1, 2)
    • ASTM A638 (Grade 660 Type 1, 2)
    • ASTM A453 (Grade 660 Class A, B, C, D)
    • BS HR 51
    • BS HR 52
    • X5NiCrTi26-15
    • X4NiCrTi25-15
    • X6NiCrTiMoVB25-15-2
    • GE C50TF78
    • GE C50TF27
    • GE C50TF20
    • GE B50T1181C
    • UNS S66286
    • SAE J467-A286
    • SPS M-118
    • Fairchild MS 301
    • 314 Elliott Turbine MS 618 Weatherford WS-881
    • Cameron MS-003030
    • EN 2399
    • PWA-LCS
    • GE-S400/1000
    • RR SABRe Edition 2
    • EN 1.4944
    • EN 1.4943
    • EN 1.4980