Types of Fasteners Standards Products

ASTM A193 Grade B8 Bolts

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Specification

CHEMICAL & MECHANICAL COMPOSITION

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ASTM A193 Grade B8 Studs

ASME SA193 Grade B8 stud Bolt, nuts, hex bolt Manufacturers in India.

Stockist of Stud bolt a193 gr b8, Hex Bolt A193 B8 and a193 b8 Hex bolts at Best Price.

Detailed Information

Prashaant Steel & Alloys is a well-known Grade B8 Bolts maker and retailer. We manufacture ASTM A193 Grade B8 Bolts with the best quality raw materials from our vast inventory. Prashaant Steel & Alloys produces Grade B8 Bolts of excellent quality and has carved out a niche for itself in the industry. Our Grade B8 Bolts 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 A193 Grade B8 Bolts in a range of sizes and diameters. We manufacture Grade B8 Bolts 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 different classes of these fasteners such as the A193 B8 Washer have different heat treatments applied to them. The B8 is of a higher class and it is made up of AISI 209 steel with nitrogen strengthened. The A193 B8 Material is also called the Nitronic 50 grade. The different types are used for different application purposes. There are classes 1 and 2 in the ASTM A193 B8 Threaded Rod material as well. The class 1 has 75ksi minimum tensile strength and 30ksi minimum yield strength where the class 2 has 125ksi minimum tensile strength and 100ksi minimum yield strength. The ASTM A193 B8 Studs are used with pipes mostly where the stud is inserted into the hole for welding of the fasteners. The most commonly used fastener of this grade is the Hex Bolt A193 B8. Due to the high tensile strength values, the fasteners can be used under high pressure, high tensile and in high stress applications. As a leading supplier, we produce the a193 b8 Hex bolts and others in all dimensions ranging from ¼ inches to 4 inches and above depending on the type of the fastener. 

ASTM A193 B8 Socket Head Cap Screws are made under the specification covering alloy steel and stainless steel bolts for valves, flanges, pressure vessels and fittings for high pressure services. These fasteners can also be used for special purpose applications. There are screws, bars, bolts, studs, wire and stud bolts in this material grade.

Specification chart of ASME SA 193 Grade B8 stud bolts:

Dimensions

ASME B18.2.1, B18.3

Additional Requirements

NACE MR0103/ MR0175/ ISO 15156 Compliance

Mandatory Requirements

Free from Mercury & Radioactive Contamination

Melt Origin

Korea/ South America/ East Europe/ Japan

Certification

Dual Certified As per ASTM & ASME Codes

Additional Certifications

PED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified

Threads Configuration

ASME B1.1 2A/ 3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads

ASTM A193 B8 Threaded Rod Mechanical And Physical Properties:

Grade

Size

Tensile ksi, min

Yield, ksi, min

Elong, %, min

RA % min

B8 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

Chemical Material Composition of ASTM A193 B8 Nuts:

ASTM

A193

Grade B8

A193

Grade B8T

Percentage

%

%

C.

0.08 max.

0.08 max.

Mn.

2.00 max.

2.00 max.

Si.

1.00 max.

1.00 max.

P.

0.045 max.

0.045 max.

S.

0.030 max.

0.030 max.

Cr.

18.00—20.00

17.00—9.00

Ni.

8.00—10.50

9.00—12.00

Mo.

V.

Ti.

5xCMIN

Brinell Hardness

223 B.H.N.

max.

223 B.H.N.

max.

Impact Value

Not

applicable

Not

applicable

Dimensions Table of ASME SA193 B8 Bolt:

NOMINAL SIZE (D)

BODY DIAMETER

HEAD THICKNESS ASTM A193

ACRO ASTM A193 THE FLATS

ACROASTM A193 CORNERS

D (MAX)

D (MIN)

H (MAX)

H (MIN)

F (MAX)

F (MIN)

C (MAX)

C (MIN)

m10

10.00

9.78

6.63

6.17

17.00

15.73

18.48

17.77

m12

12.00

11.73

7.76

4.24

19.00

17.73

20.78

20.03

m14

14.00

13.73

9.09

8.51

22.00

20.67

24.25

23.35

m16

16.00

15.73

10.32

9.68

24.00

23.67

27.71

26.75

m20

20.00

19.67

12.88

12.12

30.00

29.16

34.64

32.95

m24

24.00

23.67

15.44

14.56

36.00

35.00

41.57

39.55

m30

30.00

29.67

19.48

17.92

46.00

45.00

53.12

50.85

m36

36.00

35.61

23.38

21.63

55.00

53.80

63.51

60.79

m42

42.00

41.38

26.97

25.03

65.00

62.90

75.06

71.71

m48

48.00

47.38

31.07

28.93

75.00

72.60

86.60

82.76

m56

56.00

55.26

36.2

33.80

85.00

82.20

98.15

93.71

m64

64.00

63.26

41.32

38.68

95.00

91.80

109.70

104.65

m72

72.00

71.26

46.45

43.55

105.00

101.40

121.24

115.60

m80

80.00

79.26

51.58

48.42

115.00

111.00

132.72

126.54

m90

90.00

89.13

57.74

54.26

130.00

125.50

150.11

143.07

m100

90.00

99.13

63.9

60.10

145.00

140.00

167.43

159.60

ASME SA193 B8 Bolts Standards:

  • 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

Stock List of ASTM A193 B8 Bolts:

ASTM A193 Grade B8 Stud Bolt

ASTM A193 B8 Stud Bolts

Stainless Steel B8 Threaded Rod

ASTM A193 stud bolts

SA193 Nuts

ASTM A 193 B8 Stud Bolt

ASTM A 193 Tie Rod

Stainless Steel B8 Studs

B8 Stainless Steel Stud bolts

ASTM A193 B8 Stud Bolts

ASTM A 193 B8 Lag Bolt

B8 Grub Screw

ASTM A193 B8 Anchor Bolt

B8 Shoulder Bolt

ASTM A 193 B8 Heavy Hex Bolts

A193 B8 Hex Nut

ASTM A 193 Eye Bolt

SS B8 Plow Bolt

Stainless Steel B8 Draw Bolt

B8 Hanger Bolt

SS B8 Step Bolt

ASTM A 193 B8 Studs

ISO Approved ASTM A193 U Bolts

ASTM A193 J Bolt

Dimension of ASTM A193 B8 Heavy Hex Bolt:

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

1.022

0.976

1.625

1.575

1.876

1.796

0.7

0.591

2.25

2.5

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 3/8

1.404

1.345

2.188

2.119

2.526

2.416

0.94

0.81

3

3.25

1 1/2

1.531

1.47

2.375

2.3

2.742

2.622

1.036

0.902

3.25

3.5

1 3/4

1.785

1.716

2.75

2.662

3.175

3.035

1.196

1.054

3.75

4

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

3

3.081

2.961

4.625

4.475

5.34

5.102

2.06

1.815

6.25

6.5

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