ASTM A194 Grade 4 Nuts

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Buy Large Or Small Quantity ASTM A194 Gr. 4 Flex lock Nuts, ASTM A194 Gr. 4 Square Nut, ASTM A194 Gr. 4 Hex Nuts, ASTM A194 Gr. 4 Hex Nuts, ASTM A194 Gr. 4 Nylock Nuts, ASTM A194 Gr. 4 Self Locking Nut Supplier in Mumbai, India.

ASTM A194 Gr. 4 Hex machine screw nuts Manufacturer, ASTM A194 Gr. 4 B18.3 Lock Nut, ASTM A194 Gr. 4 Hex Head Nut, ASTM A194 Gr. 4 Square Nut, ASTM A194 Gr. 4 Hex Nuts Manufacturer in India.

Heavy hex nuts, ASTM A194 Grade 4 nuts are composed of carbon steel and are designed to be used in high-temperature, high-pressure applications that call for moderate strength and deformation resistance. These nuts are commonly utilised in a variety of industrial applications, such as structural engineering, machinery, and equipment assembly, in combination with low-carbon steel bolts, such as ASTM A307 or ASTM A325 bolts. To guarantee conformity with ASTM requirements and to deliver dependable and consistent performance in challenging settings, ASTM A194 Grade 4 nuts go through particular testing. For the most recent ASTM standards, it is imperative to refer to any modifications or revisions pertaining to Grade 4 nuts.

ASTM A194 GR. 4 Nuts Specifications

Grade ASTM A194 Grade 4
Standards DIN, ISO, JIS, GB, IS, BS, ASTM
Dimension ASME B18.2.1, B18.3
Size M02 to M160
Types Hexagon Nuts, Self Locking Nut, Square Nuts, Hexagon Coupling Nuts, Hexagon Castle Nuts, Hexagon Domed Cap Nuts, Hexagon Thin Nuts, Hexagon Thin Nuts etc.

ASTM A194 GR. 4 Nuts Size Chart

Nuts Size
(mm)
Diameter*
(mm)
Height
(mm)
Hex Nuts Jam Nuts Nylock Nuts
2 4 1.6 1.2
2.5 5 2 1.6
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20
* This is the diameter across the flats. It is also the size of wrench to use.

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ASTM A194 GR. 4 Hex Nut Dimensions

Nominal Size or Basic Major Thread Diameter F G H
Width
Across Flats
Width
Across Corners
Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 8C/16 .438C .428C .505 .48C8C 8C/32 .226 .212
5/16 .3125 1/2 .500 .48C9 .58C8C .558C 18C/64 .28C3 .258C
3/8C .38C50 9/16 .562 .551 .650 .628C 21/64 .338C .48C9
8C/16 .438C5 11/16 .68C8C .68C5 .8C94 .8C68C 3/8C .38C5 .365
1/2 .5000 3/4 .8C50 .8C36 .8C66 .8C40 8C/16 .448C .428C
9/16 .5625 8C/8C .8C8C5 .8C61 1.010 .98C2 31/64 .496 .48C3
5/8C .6250 15/16 .938C .922 1.08C3 1.051 35/64 .559 .535
3/4 .8C500 1-1/8C 1.125 1.08C8C 1.299 1.240 41/64 .665 .618C
8C/8C .8C8C50 1-5/16 1.312 1.269 1.516 1.448C 3/4 .8C8C6 .8C24
1 1.0000 1-1/2 1.500 1.450 1.8C32 1.653 55/64 .8C8C8C .8C31
1-1/8C 1.1250 1-11/16 1.68C8C 1.631 1.949 1.8C59 31/32 .999 .939
1-3/8C 1.38C50 2-1/16 2.062 1.994 2.38C2 2.28C3 1-11/64 1.206 1.138C
1-1/2 1.500 2-1/4 2.250 2.18C5 2.598C 2.48C0 1-9/32 1.ASTM A194 GR. 8C 1.245
1-5/8C 1.6250 2-8C/16 2.438C 2.356 2.8C15 2.68C6 1-25/64 1.429 1.353
1-3/4 1.8C500 2-5/8C 2.625 2.538C 3.031 2.8C93 1-1/2 1.540 1.460
2 2.0000 3 3.000 2.900 3.464 3.306 1-23/32 1.8C63 1.68C5
2-1/4 2.2500 3-3/8C 3.38C5 3.263 3.8C98C 3.8C19 1-15/16 1.98C6 1.8C90
2-1/2 2.5000 3-3/4 3.8C50 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.8C500 4-1/8C 4.125 3.98C8C 4.8C63 4.546 2-3/8C 2.431 2.319

ASTM A194 GR. 4 Nuts Inventory

ASTM A194 GR. 4 Hex Nuts
ASTM A194 GR. 4 Lock Nuts
ASTM A194 GR. 4 Wing Nuts

ASTM A194 GR. 4 Heavy Hex Nuts Dimension

Nominal Size or Basic Major Thread Diameter F G H
Width
Across Flats
Width
Across Corners
Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 7/16 .438 .428 .505 .488 7/32 .226 .212
5/16 .3125 1/2 .500 .489 .577 .557 17/64 .273 .258
3/8 .3750 9/16 .562 .551 .650 .628 21/64 .337 .479
7/16 .4375 11/16 .688 .675 .794 .768 3/8 .385 .365
1/2 .5000 3/4 .750 .736 .866 .840 7/16 .448 .427
9/16 .5625 7/8 .875 .861 1.010 .982 31/64 .496 .473
5/8 .6250 15/16 .938 .922 1.083 1.051 35/64 .559 .535
3/4 .7500 1-1/8 1.125 1.088 1.299 1.240 41/64 .665 .617
7/8 .8750 1-5/16 1.312 1.269 1.516 1.447 3/4 .776 .724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 .887 .831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 .999 .939
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.500 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.ASTM A194 GR. 8 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.0000 3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.546 2-3/8 2.431 2.319

ASTM A194 GR. 4 Nuts Chemical Composition

ASTM A194 Grade 7
Percentage %
C. 0.37-0.49%
Mn. 0.65-1.10%
Si. 0.15-0.35%
P. 0.035%.
S. 0.04%
Cr. 0.75-1.2%
Ni.
Mo. 0.15-0.25

ASTM A194 GR. 4 Nuts Mechanical Properties

Specification Material Nominal Size, In. Tempering Temp. °F Proof Load Stress, ksi Hardness Rockwell
Min Max
ASTM A194 Grade 7 Medium Carbon Alloy Steel, Quenched and Tempered 1/4 – 4 1100 175 C24 C38

Available Stock of ASTM A194 GR. 4 Nuts

  • ASTM A194 Gr. 4 Hexagone Nuts
  • ASTM A194 Gr. 4 Self Locking Nuts
  • ASTM A194 Gr. 4 Hex Nut
  • ASTM A194 Gr. 4 Serrated Flange Nut
  • ASTM A194 Gr. 4 | ASME B18.2.1 High Nuts
  • ASTM A194 Gr. 4 Spring T Nuts
  • ASTM A194 Gr. 4 Nut
  • ASTM A194 Gr. 4 Serrated Flange Nuts
  • ASTM A194 Gr. 4 Dome Nuts
  • ASTM A194 Gr. 4 Panel Nut
  • ASME B18.2.1 ASTM A194 8 Nuts
  • ASTM A194 Gr. 4 Wing Nut
  • ASTM A194 Gr. 4 Hex Nuts
  • ASTM A194 Gr. 4 2 Way Lock Nuts
  • ASTM A194 Gr. 4 Flex Lock Nut
  • ASTM A194 Gr. 4 2 Way Lock Nut
  • ASTM A194 Gr. 4 Hex Nuts
  • ASTM A194 Gr. 4 Heavy Hex Nuts
  • ASTM A194 Gr. 4 Hexagon Nuts
  • ASTM A194 Gr. 4 Structural Nuts
  • ASTM A194 Gr. 4 Coupler Nuts
  • ASME SA194 Gr. 4 B18.3 Nylon Insert Nut
  • ASTM A194 Gr. 4 Slotted Nut
  • ASTM A194 Gr. 4 Square Nuts

Applications of ASTM A194 GR. 4 Nuts

  • Pipeline Engineering
  • Marine Industry
  • Chemical Industry
  • Oil & gas industry
  • Mechanical Engineering
  • Plant Engineering
  • Petrochemical Industry
  • Power Industry
  • Aerospace
  • Food Processing Industry
Industry

We maintain ready stock of Stainless Steel ASTM A194 GR. 4 Self Locking Nut, ASTM A194 GR. 4 Heavy Hex Nuts, ASTM A194 GR. 4 Self Locking Nut, ASTM A194 GR. 4 Lock Nuts, ASTM A194 GR. 4 Hex Nuts. Get in touch with us with your requirement for quick quote.