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ASTM A194 GR 8M Nuts

ASTM A194 Grade 8M Bolt, Nuts, Washers Manufacturer in India ASTM A194 Grade 8M, ASTM A194 Grade 8M Bolt, Nuts, ASTM A194 Bolt Manufacturer in India

As a leading manufacturer and exporter of ASTM A194 Grade 8M Stainless Steel Hex Nuts, RatnaExporter.com provides features such as non-corrosive, accurate dimensions, lightweight, long-life features, sturdy design, and easy handling.

ASTM A194 covers various bolts from carbon steel, alloy steel, and stainless steel, including the ASTM A194 Grade 8M Nuts. The SA194 Grade 8M Heavy Hex Nuts indicates that this alloy is an austenitic grade alloy, whereas the ASTM A194 specification covers martensitic and austenitic stainless steel nuts.

astm-a194-gr-8m-nuts

The stainless steel used to make A194 Grade 8M Heavy Hex Nuts is austenitic alloy 316. Regarding classes, A194 Grade 8M Nut Material is categorized into two subclasses: class 1 is a carbide solution-treated fastener, and class 2 is a strain-hardened fastener. It is intended for high-pressure or/and high-temperature applications that these specified A194 Grade 8M Hex Nuts are both carbide solution treated and strain hardened. 

The material, in this case, marine grade stainless steel, i.e., Asme Sa194 Grade 8M nut, may be processed. Centerless grinding or cold drawing processes process A194 Gr 8M nuts. The Austenitic stainless steel grades can be solution annealed or annealed and strain-hardened. Furthermore, A194 Gr 8m Material must pass hardness, load-proof, and cone-proof tests.

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ASTM A194 Grade 8m Nuts Specification

StandardsDesignation
ASTMA194 Grade 8M: Stainless AISI 316 Heavy Hex Nuts.
DimensionsASME B18.2.1, B18.3
Threads ConfigurationASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Mandatory RequirementsFree from Mercury & Radioactive Contamination
Melt OriginSouth America/East Europe/JapanKorea/
Product OriginMade in India
Additional RequirementsNACE MR0103 / MR0175 / ISO 15156 Compliance
StandardsDesignation
ASTMA194 Grade 8M: Stainless AISI 316 Heavy Hex Nuts.

types of ASTM A194 Gr 8M Nuts

astm-a194-grade-8m-lock-nuts

astm a194 grade 8m lock nuts

astm-a194-grade-8m-washer

astm a194 grade 8m washer

astm-a194-grade-8m-hex-nuts

astm a194 grade 8m hex nuts

astm-a194-grade-8m-flange-nuts (2)

astm a194 grade 8m flange nuts

ASTM A194 Gr 8M Nuts Chemical Composition

ASTM

A194 Grade 8

Percentage

%

C.

0.08M %

Mn.

2.00 %

Si.

1.00 %

P.

0.05 

S.

0.03 

Cr.

16-18

Ni.

10-14

Mo.

2.3

 

A194 Gr 8M Nuts Mechanical Behaviour

B scale

C scale

Hardness – (BHN)

60 min

32 max

8M 126-300

 

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Dimension of A194 Grade 8M Nuts

Nominal Size or Basic Major Thread DiameterFGH

Width

Across Flats

Width

Across Corners

Thickness
BasicMaxMinMaxMinBasicMaxMin
5/8.625015/16.938.9221.0831.05135/64.559.535
5/16.31251/2.500.489.577.55717/64.273.258
3/8.37509/16.562.551.650.62821/64.337.479
7/16.437511/16.688.675.794.7683/8.385.365
1/2.50003/4.750.736.866.8407/16.448.427
1/4.25007/16.438.428.505.4887/32.226.212
9/16.56257/8.875.8611.010.98231/64.496.473
2-1/22.50003-3/43.7503.6254.3304.1332-5/322.2092.105
3/4.75001-1/81.1251.0881.2991.24041/64.665.617
7/8.87501-5/161.3121.2691.5161.4473/4.776.724
11.00001-1/21.5001.4501.7321.65355/64.887.831
1-1/81.12501-11/161.6881.6311.9491.85931/32.999.939
1-3/81.37502-1/162.0621.9942.3822.2731-11/641.2061.138
1-1/21.5002-1/42.2502.1752.5982.4801-9/321. ASTM A194 GR. 81.245
1-5/81.62502-7/162.4382.3562.8152.6861-25/641.4291.353
1-3/41.75002-5/82.6252.5383.0312.8931-1/21.5401.460
22.000033.0002.9003.4643.3061-23/321.7631.675
2-1/42.25003-3/83.3753.2633.8973.7191-15/161.9861.890
2-3/42.75004-1/84.1253.9884.7634.5462-3/82.4312.319

 

Please note this is an approx ASTM A194 GR 8M Nuts price in India. For final ASTM A194 GR 8M Nuts price list please mail us.

ASTM A194 Grade 8M Nuts Dimension table

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

3

3.0000

4-5/8

4.625

4.475

5.340

5.102

2-61/64

3.013

2.893

1/4

.2500

1/2

.500

.488

.577

.556

15/64

.250

.218

3/8

.3750

11/16

.688

.669

.794

.763

23/64

.377

.341

7/16

.4375

3/4

.750

.728

.866

.830

27/64

.441

.403

5/16

.3125

9/16

.562

.546

.650

.622

19/64

.314

.280

1/2

.5000

7/8

.875

.850

1.010

.969

31/64

.504

.464

9/16

.5625

15/16

.938

.909

1.083

1.037

35/64

.568

.526

5/8

.6250

1-1/16

1.062

1.031

1.227

1.175

39/64

.631

.587

3/4

.7500

1-1/4

1.250

1.212

1.443

1.382

47/64

.758

.710

7/8

.8750

1-7/16

1.438

1.394

1.660

1.589

55/64

.885

.833

1

1.0000

1-5/8

1.325

1.575

1.876

1.796

63/64

1.012

.956

1-1/8

1.1250

1-13/16

1.812

1.756

2.093

2.002

1-7/64

1.139

1.079

1-1/4

1.2500

2

2.000

1.938

2.309

2.209

1-7/32

1.251

1.187

1-3/8

1.3750

2-3/16

2.188

2.119

2.526

2.416

1-11/32

1.378

1.460

1-1/2

1.5000

2-3/8

2.375

2.300

2.742

2.622

1-15/32

1.505

1.433

1-5/8

1.6250

2-9/16

2.562

2.481

2.959

2.828

1-19/32

1.632

1.556

1-3/4

1.7500

2-3/4

2.750

2.662

3.175

3.035

1-23/32

1.759

1.679

2

2.0000

3-1/8

3.125

3.025

3.608

3.449

1-31/32

2.013

1.925

2-1/4

2.2500

3-1/2

3.500

3.388

4.041

3.862

2-13/64

2.251

2.155

2-1/2

2.5000

3-7/8

3.875

3.750

4.474

4.275

2-29/64

2.505

2.401

2-3/4

2.7500

4-1/4

4.250

4.112

4.907

4.688

2-45/64

2.759

2.647

3-1/4

3.2500

5

5.000

4.838

5.774

5.515

3-3/16

3.252

3.124

3-1/2

3.5000

5-3/8

5.375

5.200

6.207

5.928

3-7/16

3.506

3.370

3-3/4

3.7500

5-3/4

5.750

5.562

6.640

6.341

3-11/16

3.670

3.616

4

4.0000

6-1/8

6.125

5.925

7.073

6.755

3-15/16

4.014

3.862

ASTM A194 Grade 8m Nuts Size Chart

Nut Size

(mm)

Diameter*

(mm)

Height

(mm)

Hex Nut

Jam Nut

Nylock Nut

4

7

3.2

2.2

5

2

4

1.6

1.2

–

2.5

5

2

1.6

–

3

5.5

2.4

1.8

4

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

14

22

11

7

14

16

24

13

8

16

18

27

15

9

18.5

12

19

10

6

12

20

30

16

10

20

This is the diameter of the flats, as well as the size of the wrench.

 

 

Applications Industry ASTM A194 GR 8M Nuts

  • Pharmaceutical Industry
  • Oil Refineries
  • Textile Industries
  • Nuclear Plants
  • Chemical Industries
  • Power Plant
  • Petrochemicals Industry
  • Sugar Industry
  • Engineering Industry
  • Chemical Industry
  • Food Industry
  • Marine Industry
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