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ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer

Categories Nickel Alloy Fasteners
Brand Name: HT
Model Number: M6-M100
Certification: PED SGS ISO TUV
Place of Origin: China
MOQ: 1PC
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 100000000sets per month
Delivery Time: 1~30days
Packaging Details: Plywood case,pallet,etc.
Bolt Type: Stud Bolt Hex Boltt Threaded Rod U-Bolt Hex Socket Screw
Nut Type: Hex Nut Hex Heavy Nut
Waher Type: Plain Flat Spring Washer
Bolt Standard: DIN931 933 912 976 3570/ASME B18.2.1
Nut Standard: DIN934 ASME B18.2.2
Washer Standard: DIN125 127/ASME B18.22.1
DIN Size: M6-M100
ASME Size: 1/4''~5''
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    ASTM A193 B7 A320 L7 A194 2H Nickel Alloy Fasteners Bolt Nut Washer

    ASTM A193 Grade B7 Fasteners Mechanical Properties

    1. ASTM A193 Grade B7 Fasteners Specification


    FASTENERS -SCREWS, BOLTS AND NUTS FOR TOUGHEST USE


    MaterialSizeLengthSpecificationManufacturer
    ASTM A193 Grade B7 FastenersM 02 to M 1603 mmto200 mm

    IS

    BS

    ASTM

    GKW

    Unbrako

    Kundan

    APL

    Sundaram Precision

    Infasco

    EBY Fastener Etc.


    Key Words: Subcategories:ASTM A93 B7 Bolts, A193 B7 Bolts,Grade B7 Bolts,A193 Grade B7,SA 193 B7 bolts,B7 Studs,B7 Studs Material,B7 Threaded Rod,B7 Threaded Bar etc


    2. ASTM A193 Grade B7 Fasteners Useful Information

    A193 Grade B7 Class Bolts are manufactured from AISI 4140/4142 low Carbon Alloy Steel Grades followed by quencing & tempering. We manufacture these Bolts with great precision & Quality. These grade bolts are also denoted as Grade 7 Bolts,B7 Bolts etc. We Also offer B7 Studs/B7 threaded bars/B7 Threaded rods.TorqBolt Stocks & Supply these Bolt Fasteners in various sizes & Coatings.

    ASTM A193 Grade B7 Fasteners Mechanical Properties


    3. Bolt -Grade Identification Markings

    Grade
    Size
    Tensile ksi, min
    Yield, ksi, min
    Elong, %, min
    RA % min
    B7
    Up to 2-1/2
    125
    105
    16
    50
    2-5/8 – 4
    115
    95
    16
    50
    4-1/8 – 7
    100
    75
    18
    50
    B8 Class 1
    All
    75
    30
    30
    50
    B8M Class 1
    All
    75
    30
    30
    50
    B8 Class 2
    Up to 3/4
    125
    100
    12
    35
    7/8 – 1
    115
    80
    15
    35
    1-1/8 – 1-1/4
    105
    65
    20
    35
    1-3/8 – 1-1/2
    100
    50
    28
    45
    B8M Class 2
    Up to 3/4
    110
    95
    15
    45
    7/8 – 1
    100
    80
    20
    45
    1-1/8 – 1-1/4
    95
    65
    25
    45
    1-3/8 – 1-1/2
    90
    50
    30
    45

    4. ASTM A193 Grade B7 Fasteners Chemical Composition

    Element
    B8 (AISI 304)
    B8M (AISI 316)
    Carbon
    0.37 – 0.49%
    0.08% max
    0.08% max
    Manganese
    0.65 – 1.10%
    2.00% max
    2.00% max
    Phosphorus, max
    0.035%
    0.045%
    0.045%
    Sulfur, max
    0.040%
    0.030%
    0.030%
    Silicon
    0.15 – 0.35%
    1.00% max
    1.00% max
    Chromium
    0.75 – 1.20%
    18.0 – 20.0%
    16.0 – 18.0%
    Nickel
    8.0 – 11.0%
    10.0 – 14.0%
    Molybdenum
    0.15 – 0.25%
    2.00 – 3.00%

    Standard / Material gradeCMnPSSiCrMoAlV
    ASTM A193 B7 (Cr- Mo AISI 4140,4142,4145 )0.37-0.490.65-1.100.035 Max0.04 Max0.15-0.350.75-1.200.15-0.25
    ASTM A1193 B7M (Cr- Mo AISI 4140,4142,4145 )0.37-0.490.65-1.100.035 Max0.04 Max0.15-0.350.75-1.200.15-0.25
    ASTM A193 B16 (Cr- Mo -V )0.36-0.470.45-0.700.035 Max0.04 Max0.15-0.350.80-1.150.50-0.650.015Max0.25-0.35
    ASTM A193 B5 (5% Cr AISI 501)0.10 max1.00 max0.040 max0.030 Max1.00 Max0.40 -6.000.40 -0.65
    ASTM A320-L7 (Cr- Mo AISI 4140,4142,4145 )0.38-0.480.75-1.000.035 Max0.04 Max0.15-0.350.80-1.100.15-0.25
    ASTM A 320 L7M0.38-0.480.75-1.000.035 Max0.04 Max0.15-0.350.80-1.100.15-0.25
    ASTM A194 Gr.2H0.40 Min1.00 Max0.040 Max0.050 Max0.40 Max
    ASTM A194 Gr.2HM0.40 Min1.00 Max0.040 Max0.050 Max0.40 Max
    ASTM A194 Gr.40.40-0.500.70-0.900.035 Max0.04 Max0.15 – 0.350.20 – 0.30

    5. Recommended Nuts, Bolts & Washer

    Bolt Grade
    Nuts
    Washers
    B7
    A194 Grade 2H
    F436
    B8 Class 1
    A194 Grade 8
    SS304
    B8M Class 1
    A194 Grade 8M
    SS316
    B8 Class 2
    A194 Grade 8
    SS304
    B8M Class 2
    A194 Grade 8M
    SS316

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