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ASTM A193 Grade B8M Bolts And Studs

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Specification

CHEMICAL & MECHANICAL COMPOSITION

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ASTM A193 Grade B8M Bolts And Studs

ASME SA 193 B8m Class 2 Bolts, A193 gr b8m stud material Manufacturer in India.

Get B8M Strain Hardened and SA 193 B8M Yield Strength, A193 Gr B8m Material, ASTM A193 b8m bolts.

Detailed Information

Prashaant Steel & Alloys is used in the manufacture of Grade B8M Bolts in various industries that have found applications. At Prashaant Steel & Alloys, we manufacture ASTM A193 Grade B8M Bolts in a variety of sizes and dimensions that are suitable for the applications needed. The Grade B8M Bolt & Studs that we manufacture are made from our huge inventory using the highest quality of raw materials. Grade B8M Bolt & Studs are available in sizes ranging in thickness. At Prashaant Steel & Alloys, we aim to offer full customer satisfaction. Therefore, we also manufacture the Grade B8M Bolts in custom size orders that suit our clients’ specifications and requirements. Prashaant Steel & Alloys has a clientele of many companies from all over the world and caters to both large and small sectors. Prashaant Steel & Alloys houses all the machinery and technology required for the development of high caliber ASTM A193 Grade B8M Bolts at its state-of-the-art plant.   At Prashaant Steel & Alloys, the customer service team ensures that all customers are helped with all their needs and demands. Due to the high strength they give, the ASTM A193 Grade B8M Bolts from Prashaant Steel & Alloys are widely common.

There is 18% chromium, 8% nickel and up to 4% molybdenum in the composition of the ASTM A193 Grade B8m Threaded Rod and it provides the material with high strength, corrosion resistance and required toughness. The prices of the fasteners are comparatively lower. The ASTM A193 B8m Nut comes with a 515MPa minimum tensile strength and 205 Mpa minimum yield strength. There are carbon, manganese, sulfur and silicon present in the material in smaller quantities as well. The ASTM A193 B8m Class 1 Bolts have slightly lower mechanical properties than the class 2 fasteners and are cheaper. There are different thread types to the fasteners such as fine and coarse threads. The A193 Gr B8m Material can be used to produce any type of thread and the different sizes of the fasteners based on the standards. The applications of these corrosion resistant ASME SA193 Grade B8m fasteners can be seen in sea water, marine, ship building and other corrosive applications. There are general corrosive applications and food grade applications that use these fasteners as well. There are super duplex and other alloy SA 193 Gr B8 Equivalent materials as well.

ASTM A193 B8m Class 2 Bolts and class 1 bolts are made from the 316 austenitic stainless steel material. The dimensions of the bolts are governed by the ASME B18.2.1 and B18.3 standards. There are class 1 and class 2 bolts under this specification. The fasteners such as the B8M Stud are corrosion resistant to chloride ion stress corrosion cracking due to the molybdenum addition in the composition.

ASTM A193 B8m Bolts Specification:

Dimensions

ASME B18.2.1, B18.3

Melt Origin

South America/East Europe/JapanKorea/

Product Origin

Made in India

Threads Configuration

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

Certification

Dual Certified As per ASTM & ASME Codes

Additional Certifications

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

Mandatory Requirements

Free from Mercury & Radioactive Contamination

Additional Requirements

NACE MR0103 / MR0175 / ISO 15156 Compliance

ASTM A193 B8m Class 2 Bolts Chemical Element:

Element

B8M (AISI 316)

Carbon

0.08% max

Manganese

2.00% max

Phosphorus, max

0.045%

Sulfur, max

0.030%

Silicon

1.00% max

Chromium

16.0 – 18.0%

Nickel

10.0 – 14.0%

Molybdenum

2.00 – 3.00%

ASTM A193 Grade B8m Threaded Rod Mechanical Properties Analysis:

Grade

Size

Tensile ksi, min

Yield, ksi, min

Elong, %, min

RA % min

HBW

HRC

B8M Class 1

All

75

30

30

50

223 max

96 max

B8M Class 2

Up to 3/4

110

95

15

45

321 max

35 max

7/8 – 1

100

80

20

45

1-1/8 – 1-1/4

95

65

25

45

1-3/8 – 1-1/2

90

50

30

45

 

Dimensions of ASTM A193 B8m bolts:

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)

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

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

m36

36.00

35.61

23.38

21.63

55.00

53.80

63.51

60.79

m48

48.00

47.38

31.07

28.93

75.00

72.60

86.60

82.76

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

m90

90.00

89.13

57.74

54.26

130.00

125.50

150.11

143.07

Most Selling types of ASTM A193 b8m stud bolt:

Stud bolt Grade b8m

ASTM A193 B8m heavy hex bolt

Hex Nut b8m

ASTM A193 B8m washer

B8m cl2 stud

ASTM A193 b8m nut

A193 B8M Square Nuts

SA193 B8M Heavy Hex Nuts

ASTM A193 Grade B8M Double Ended Studs

A193 B8M Spring Washers

ASTM A193 Gr. B8M Split Washers

ASTM A193 Grade B8M Lock Nut

B8M T Bolts

SA193 B8M Hex Bolts

ASTM A193 Eye Bolts

ASTM A193 Grade B8M Countersunk Bolts

Dimensions of ASTM A193 B8M 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

ASTM Specifications Grade B8m Bolts:

  • 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

 

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