Types of Fastener Standards Products

ASTM A563 Hex Nuts

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Specification

CHEMICAL & MECHANICAL COMPOSITION

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ASTM A563 Hex Nuts
Find ASME SA563 Grade A Coupling Nut, Lock Nuts, and washer Manufacturer In India
Different sizes available of ASTM F563 Bolt, ASTM A563 Grade Dh Nuts, Find out ASTM A563 Nut Dimensions
Detailed Information
Prashaant Steel & Alloys is a well-known ASTM A563 Hex Nuts maker and retailer. We manufacture ASTM A563 Hex Nuts with the best quality raw materials from our vast inventory. Prashaant Steel & Alloys produces ASTM A563 Hex Nuts of excellent quality and has carved out a niche for itself in the industry. Our ASTM A563 Hex Nuts are highly common and are used in a number of industries due to their high strength and reliability. Prashaant Steel & Alloys has a well-equipped production facility that can fill huge orders of ASTM A563 Hex Nuts in a range of sizes and diameters. We manufacture ASTM A563 Hex Nuts and export them to all of the world’s big cities. We store our goods in suitable wooden boxes and ship them with all appropriate paperwork to prevent product degradation during shipping.
The grades A, B, C and D along with the ASTM A563 Grade Dh Nuts are all made up of carbon steel. The grades A and B are hex or heavy hex nuts where all the other grades are heavy hex nuts. The Heavy Hex Nuts ASTM A563 range from ¼ inches to 4 inches depending on the grades. The nuts ranging from ¼ inches to 1 ½ inches fall under the grade A and B mostly. The Nuts ASTM A563 Grade A has hex nuts ranging up to 1 ½ inches and heavy hex nuts ranging up to 4 inches. The materials used have carbon, manganese, phosphorus and sulfur in the composition. The ASTM A563 Nut Dimensions differ with the grade and the strength varies as well. The hardness of the nuts range from 116 HBN for grade A and up to 352 HBN for DH and DH3 grades. The ASTM A563 Coupling Nut is a special type that can connect two bolt ends together. The proof load of the grades varies as well. The grade A plain nuts have 90ksi proof load and galvanized ones have 68ksi. The ASTM A563 Heavy Hex Nut of grades DH and DH3 have proof loads of 175ksi for plain and 150ksi for galvanized nuts. Due to the high tensile and yield strengths of these nuts, the Heavy Hex Jam Nut ASTM A563 types are used in high stress systems such as transportation and construction.
ASTM A563 Nut Thickness varies with the eight different grades that are covered by this ASTM A563 specification. There are eight grades namely, the A, B, C, D, DH, C3 and DH3. Each grade has different type of material and heat treatment. The ASTM A563 Dh Heavy Hex Nuts are made up of carbon steel and can be quenched and tempered.

ASTM Specification of A563 Nuts

  • ASTM A193 / A193M – 16 : Standard Specification for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels
  • ASTM A1082 / A1082M – 16 : Standard Specification for High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications
  • ASTM F2281 : Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications Designation
  • ASTM A1014 / A1014M – 16 : Standard Specification for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
  • ASTM A962 / A962M – 16a : Standard Specification for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range

ASTM A638 / A638M : Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service

 

ASTM A563 Bolt Chemical Compatibility Chart

Element, max except as shown

Alloy Group 1, Type 304

Alloy Group 2, Type 316

Carbon

0.08%

0.08%

Manganese

2.00%

2.00%

Phosphorus

0.045%

0.045%

Sulfur

0.030%

0.030%

Silicon

1.00%

1.00%

Chromium

18.0 to 20.0%

16.0 to 18.0%

Nickel

8.0 to 10.5%

10.0 to 14.0%

Copper

1.00%

Molybdenum

2.00 to 3.00%

 

Mechanical Analysis of ASTM A563 Lock Nut

Alloy Group

Condition

Marking

Diameter Range

Tensile, ksi

Yield, ksi min

Rockwell Hardness

1

AF

A563A

1/4 to 1-1/2

65 to 85

20

B85 max

A

A563B

1/4 to 1-1/2

75 to 100

30

B65 to 95

CW1

A563C

1/4 to 5/8

100 to 150

65

B95 to C32

CW2

A563D

3/4 to 1-1/2

85 to 140

45

B80 to C32

2

AF

A563E

1/4 to 1-1/2

65 to 85

20

B85 max

A

A563F

1/4 to 1-1/2

75 to 100

30

B65 to 95

CW1

A563G

1/4 to 5/8

100 to 150

65

B95 to C32

CW2

A563H

3/4 to 1-1/2

85 to 140

45

B80 to C32

Equivalent of Nuts ASTM A563 Grade A:

Alloy Group

Alloy Designation

Alloy Type

1

303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303Se

Austenitic

2

316, 316L

Austenitic

3

321, 347

Austenitic

4

430, 430F

Ferritic

5

410, 416, 416Se

Martensitic

6

431

Martensitic

7

630 (17-4)

Precipitation Hardening

 

Dimensional Chart of ASTM A563 Heavy Hex Nuts

Diameter (D)

Body Diameter (D)

Across the Flats (F)

Across the Corners ©

Head Height (H)

Thread Lengths (T)

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

<6”

>6”

1/2

0.515

0.482

0.875

0.85

1.01

0.969

0.364

0.302

1.25

1.5

5/8

0.642

0.605

1.062

1.031

1.227

1.175

0.444

0.378

1.5

1.75

3/4

0.768

0.729

1.25

1.212

1.443

1.383

0.524

0.455

1.75

2

7/8

0.895

0.852

1.438

1.394

1.66

1.589

0.604

0.531

2

2.25

1 1/8

1.149

1.098

1.812

1.756

2.093

2.002

0.78

0.658

2.5

2.75

1 1/4

1.277

1.223

2

1.938

2.309

2.209

0.876

0.749

2.75

3

1 1/2

1.531

1.47

2.375

2.3

2.742

2.622

1.036

0.902

3.25

3.5

2

2.039

1.964

3.125

3.025

3.608

3.449

1.388

1.175

4.25

4.5

2 1/4

2.305

2.214

3.5

3.388

4.041

3.862

1.548

1.327

4.75

5

2 1/2

2.559

2.461

3.875

3.75

4.474

4.275

1.708

1.479

5.25

5.5

2 3/4

2.827

2.711

4.25

4.112

4.907

4.688

1.869

1.632

5.75

6

 

Application of ASTM A563 Lock Nut

  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Pharmaceuticals
  • Sea Water Equipment

 

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