• SS Fasteners Manufacturers and Suppliers India | SS Fasteners Dimensions (Specifications) Data - Diameters - Size - Weight Calculator and Fasteners Price in India
  • SS Fasteners Manufacturers India

    SS Fasteners | Learn More About SS Fasteners Manufacturers in Mumbai India

    Bolt Grade Markings and Strength Chart | Grade and Material | Dimensions | Nominal Size Range (inches) Sizes | Mechanical Requirements for Stainless Steel & Non-Ferrous Fasteners | Fasteners Weight Calculator

    18-8 stainless steel fasteners, 18-8 stainless steel fastener strength, 18-8 stainless steel screws, 18-8 stainless steel nuts, 18-8 stainless steel cap screws, 18-8 stainless steel fastener properties, 18-8 stainless steel tek screws, 316 vs 18-8 stainless steel screws, Stainless Steel Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, Stainless Steel Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040

    SS Fasteners | Dimensions | Specifications | Stainless Steel Fasteners Data | Diameters | Size | Fasteners Weight Calculator | Price in India

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    Mechanical Requirements for Stainless Steel & Non-Ferrous Fasteners

    Grade(1) General

    Descpription

    of Material

    Bolts, Screws and Studs Nuts
    Full Size Bolts,

    Screws, Studs

    Machine Test Sprecimens of

    Bolts, Screws, Studs

    Hardness

    Rockwell

    Proof

    Load

    Stress

    Hardness

    Rockwell

    Yield
    (2)

    Strength

    Tensile

    Strength

    Yield
    (2)

    Strength

    Tensile

    Strength

    Elong-

    ation(3)

    Min
    psi
    Min
    psi
    Min
    psi
    Min
    psi
    %
    Min.
    Min psi Min
    303A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B75 75,000 B75
    304-A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B75 75,000 B75
    304 Austenitic

    Stainless Steel-

    Cold Worked

    50,000 90,000 45,000 85,000 20 B85 90,000 B85
    304-SH Austenitic

    Stainless Steel-

    Strain Hardened

    See

    Note 6

    See

    Note 6

    See

    Note 6

    See

    Note 6

    15 C25 See

    Note 6

    C20
    305-A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B70 75,000 B70
    305 Austenitic

    Stainless Steel-

    Cold Worked

    50,000 90,000 45,000 85,000 20 B85 90,000 B85
    305-SH Austenitic

    Stainless Steel-

    Strain Hardened

    See

    Note 6

    See

    Note 6

    See

    Note 6

    See

    Note 6

    15 C25 See

    Note 6

    C20
    316-A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B70 75,000 B70
    316 Austenitic

    Stainless Steel-

    Cold Worked

    50,000 90,000 45,000 85,000 20 B85 90,000 B85
    316-SH Austenitic

    Stainless Steel-

    Strain Hardened

    See

    Note 6

    See

    Note 6

    See

    Note 6

    See

    Note 6

    15 C25 See

    Note 6

    C20
    XM7-A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B70 75,000 B70
    XM7 Austenitic

    Stainless Steel-

    Cold Worked

    50,000 90,000 45,000 85,000 20 B85 90,000 B85
    384-A Austenitic

    Stainless Steel-

    Sol. Annealed

    30,000 75,000 30,000 75,000 20 B70 75,000 B70
    384 Austenitic

    Stainless Steel-

    Cold Worked

    50,000 90,000 45,000 85,000 20 B85 90,000 B85
    410-H Martensitic

    Stainless Steel-

    Hardened and

    Tempered

    95,000 125,000 95,000 125,000 20 C22 125,000 C22
    410-HT Martensitic

    Stainless Steel-

    Hardened and

    Tempered

    135,000 180,000 135,000 180,000 12 C36 180,000 C36
    416-H Martensitic

    Stainless Steel-

    Hardened and

    Tempered

    95,000 125,000 95,000 125,000 20 C22 125,000 C22
    416-HT Martensitic

    Stainless Steel-

    Hardened and

    Tempered

    135,000 180,000 135,000 180,000 12 C36 180,000 C36
    430 Ferritic

    Stainless Steel

    40,000 70,000 40,000 70,000 20 B75 70,000 B75
    464-HF Naval Brass 15,000 52,000 14,000 50,000 25 B56 52,000 B56
    464 Naval Brass 27,000 60,000 25,000 57,000 25 B65 60,000 B65
    462 Naval Brass 27,000 52,000 24,000 50,000 20 B65 52,000 B65
    642 Aluminum Bronze 35,000 72,000 35,000 72,000 15 B75 72,000 B75
    630 Aluminum Bronze 50,000 105,000 50,000 105,000 10 B90 105,000 B90
    614 Aluminum Bronze 40,000 75,000 40,000 75,000 30 B70 75,000 B70
    510 Phosphor Bronze 35,000 60,000 35,000 60,000 15 B60 60,000 B60
    675 Manganese Bronze 22,000 55,000 22,000 55,000 20 B60 55,000 B60
    655-HF Silicon Bronze 20,000 52,000 18,500 50,000 20 B60 52,000 B60
    655 Silicon Bronze 38,000 70,000 36,000 68,000 15 B75 70,000 B75
    651 Silicon Bronze 45,000 75,000 42,500 72,000 8 B75 75,000 B75
    661 Silicon Bronze 38,000 70,000 38,000 70,000 15 B75 70,000 B75
    NICU-

    A-HF

    Nickel-Copper

    Alloy A

    25,000 70,000 25,000 70,000 20 B70 70,000 B70
    NICU-A Nickel-Copper

    Alloy A

    40,000 80,000 40,000 80,000 20 B80 80,000 B80
    NICU-B Nickel-Copper

    Alloy B

    40,000 80,000 40,000 80,000 20 B80 80,000 B80
    NICU-K(7) Nickel-Copper

    Aluminum Alloy

    90,000 130,000 90,000 130,000 20 C24 130,000 C24
    2024-T4 Aluminum Alloy 40,000 55,000 40,000 55,000 14 B70 55,000 B70
    6061-T6 Aluminum Alloy 35,000 42,000 35,000 42,000 12 B50 42,000 B50
    Note 6.
    Austenitic stainless steel, strain hardened bolts, screws, studs,
    and nuts shall have the following strength per properties.
    Product

    Size

    Bolts, Screws, Studs Nuts
    Tested Full Size Machine Test Specimens, Proof

    Load

    Stress

    Yield

    Strength

    Tensile

    Strength

    Yield

    Strength

    Tensile

    Strength

    in. min
    psi
    min
    psi
    min
    psi
    min
    psi
    psi
    to 5/8 in. 100,000 125,000 90,000 115,000 125,000
    over 5/8 to 1 in. 70,000 105,000 65,000 100,000 105,000
    over 1 to 1-1/2 in. 50,000 90,000 45,000 85,000 90,000

    Bolt Grade Markings and Strength Chart

    US Hex bolts

    Hex bolts
    A bolt with a six sided head.

    Stainless steel 18-8
    Stainless steel 316
    Zinc plated steel
    Zinc plated grade 5 steel
    Zinc plated grade 8 steel yellow
    Grade 8 steel plain finish
    Chrome plated steel
    Hot dipped galvanized steel
    Nylon 6/6

    US Tap bolts Bolts

    Tap bolts
    A full thread bolt with a six sided head.

    Stainless steel 18-8
    Zinc plated steel
    Zinc plated grade 5 steel
    Silicon bronze
    Nylon 6/6

    US Structural bolts A325 Bolts

    Structural bolts A325
    The most common type of bolt used in structural connections offering a larger diameter hex head.

    Steel plain finish
    Hot dipped galvanized steel

     

    Head Marking Grade and
    Material
    Nominal Size Range
    (inches)
    Mechanical Properties
    Proof Load
    (psi)
    Min. Yield Strength
    (psi)
    Min. Tensile Strength
    (psi)

    No Markings

    Grade 2

    Low or medium carbon steel
    1/4" thru 3/4" 55,000 57,000 74,000
    Over 3/4" thru 1-1/2" 33,000 36,000 60,000

    3 Radial Lines

    Grade 5

    Medium carbon steel, quenched and tempered
    1/4" thru 1" 85,000 92,000 120,000
    Over 1" thru 1-1/2" 74,000 81,000 105,000

    6 Radial Lines

    Grade 8

    Medium carbon alloy steel, quenched and tempered
    1/4" thru 1-1/2" 120,000 130,000 150,000

    Grade A325

    Carbon or Alloy Steel with or without Boron
    1/2" thru 1-1/2" 85,000 92,000 120,000
    Stainless markings vary. Most stainless is non-magnetic

    18-8 Stainless

    Steel alloy with 17-19% Chromium and 8-13% Nickel
    All Sizes thru 1"   20,000 Min. 65,000 Typical 65,000 Min. 100,000 – 150,000 Typical

    Metric Bolts

    Metric Hex Bolts

    Metric hex bolts
    Metric hex bolt
    Hex bolts
    A bolt with a six sided head.

    Stainless steel 18-8 (A-2)
    Stainless steel 316 (A-4)
    Zinc plated class 8.8 steel
    Zinc plated class 10.9 steel
    Chrome plated steel

    Metric Thread Tap bolts Bolts

    Metric full thread tap bolt
    Tap bolts
    A full thread bolt with a six sided head.

    Stainless steel 18-8 (A-2)
    Stainless steel 316 (A-4)
    Zinc plated class 8.8 steel
    Zinc plated class 10.9 steel
    Class 10.9 steel plain finish

    Metric JIS Hex Bolts

    Metric JIS hex bolt
    JIS Hex bolts
    These bolts have smaller heads that meet the old JIS specification. Available only in diameters where there is a difference in head size.

    Zinc plated class 8.8 steel

    Metric JIS Full Thread Tap Bolts

    Metric JIS full thread tap bolts
    JIS Tap bolts
    These bolts have smaller heads that meet the old JIS specification. Available only in diameters where there is a difference in head size.

    Zinc plated class 8.8 steel

    Head Marking Class and
    Material
    Nominal Size Range
    (mm)
    Mechanical Properties
    Proof Load
    (MPa)
    Min. Yield Strength
    (MPa)
    Min. Tensile Strength
    (MPa)
    8.8

    Class 8.8

    Medium carbon steel, quenched and tempered
    All Sizes below 16mm 580

    640

    800

    16mm - 72mm 600 660 830
    10.9

    Class 10.9

    Alloy steel, quenched and tempered
    5mm - 100mm 830

    940

    1040

    12.9

    Class 12.9

    Alloy steel, quenched and tempered
    1.6mm - 100mm 970

    1100

    1220

    Stainless markings vary. Most stainless is non-magnetic.
    Usually stamped A-2.

    A-2 Stainless

    Steel alloy with 17- 19% chromium and 8-13% nickel
    All Sizes thru 20mm  

    210 Min.
    450 Typical

    500 Min.
    700 Typical

    Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing.

    Yield Strength: The maximum load at which a material exhibits a specific permanent deformation

    Proof Load: An axial tensile load which the product must withstand without evidence of any permanent set.

    1MPa = 1N/mm2 = 145 pounds/inch2

    Compleate Information About SS Fasteners
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    Stainless Steel Fasteners Price List in India


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