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ASTM A320 B8T

Trusted Manufacturer of SA 320 B8T Class 2 Stud Bolt in India, With Size Ranging From M10 - M110


ASTM A320 B8T


Table of Content


fasteners types


Get Grade B8T Bolts With Accurate Dimensions, Check Specification


Specifications of ASTM A320 B8T


Size

ASTM A320 B8T Bolt Sizes

  • Imperial Sizes: 1/2" - 4.0"
  • Metric Size: M10 - M110
  • Length: 12 - 1200MM
Benefits

Benefits

  • High-Temperature
  • Corrosion Resistance
  • Good Mechanical Strength
  • Thermal Stability
Certification

Certification

  • Raw Materials Certificate
  • 100% Radiography Test Report
  • MTC as per EN 10204 / 3.1B
  • Compliance Certificates

Neck type

Neck type

  • Oval
  • Triangular
  • Hex, Square
  • Knurled 
Production process

Production process

  • Machining and CNC
  • Cold Forging
  • Hot Forging
  • Customized
coating

Surface Coating

  • Teflon, Xylan, Zinc
  • Others Upon Request
  • Black Oxide
  • Cadmium, Galvanized

threads

Threads Types

  • BSF, UNC
  • BSW
  • METRIC
  • UNF
Head Types

Head Types

  • T-head & Triangular
  • Hex flange
  • Round,Flat
  • Hex, Square
finish

Finishing

  • Geometry, Dacroment, Hot Dip Galvanised (HDG),
  • Nickel plated, Anodizing, plated zinc-nickel
  • Zinc , black oxide, BZP

Applications

Applications

  • Oil and Gas Industry
  • Chemical and Petrochemical Plants
  • Marine Industry
  • Aerospace and Aviation
Packaging

Packaging Methods

  • Pallet
  • Corrugated Box
  • Small Pack
  • Carton
Testing Methods

Testing Methods

  • Tensile Testing
  • Hardness Testing
  • Corrosion Testing
  • Impact Testing

Cutting Methods

Cutting Methods

  • Angle Grinder
  • Hacksaw
  • Threaded Rod Cutter
Disadvantages

Disadvantages

  • Limited Strength
  • Difficult Machinability
  • Higher Cost
Documentation

Documentation

  • Fumigation Certificates
  • Guarantee Letter
  • Raw Material Test Reports


Types of ASTM A320 B8T Bolts


ASTM A320 B8T Supplier in India offers an varied selection of the most common types.


A320 Grade B8T Flange Bolts

A320 Grade B8T Flange Bolts

ASTM A320 Grade B8T Eye Bolts

ASTM A320 Grade B8T Eye Bolts

ASTM A320 B8T Heavy Hex Bolt

ASTM A320 B8T Heavy Hex Bolt

ASTM A320 Gr B8T Shoulder Bolts

ASTM A320 Gr B8T Shoulder Bolts

SA 320 B8T Square Head Bolts

SA 320 B8T Square Head Bolts

SA 320 Gr B8T U-Bolts

SA 320 Gr B8T U-Bolts

ASTM A320 B8T Hex Head Bolt

ASTM A320 B8T Hex Head Bolt

A320 B8T J-Bolts

A320 B8T J-Bolts

Stockist Of ASTM A320 Grade B8T Threaded Rod Widely Used In High-Temperature Environments, Check Size Chart


ASTM A193 B8T Heavy Hex Bolts Dimensions Chart


ASTM A193 B8T Heavy Hex Bolts Dimensions Chart

 Heavy Hex Bolt Dia  D  F  C  H
 Body Dia  Width Flats   Width Corners   Height
 Max  Basic  Min          Max        Min  Max  Basic  Min        Max     
1/2 0.515 7/8 0.850 0.875 0.969 1.010 11/32 0.302 0.364
7/8 0.895 1-7/16 1.394 1.438 1.589 1.660 37/64 0.531 0.604
5/8 0.642 1-1/16 1.031 1.062 1.175 1.227 27/64 0.378 0.444
3/4 0.768 1-1/4 1.212 1.250 1.383 1.443 1/2 0.455 0.524
1-1/4 1.277 2 1.938 2.00 2.209 2.309 27/32 0.749 0.876
1 1.022 1-5/8 1.575 1.625 1.796 1.876 43/64 0.591 0.700
1-1/8 1.149 1-13/16 1.756 1.812 2.002 2.093 3/4 0.658 0.780
1-3/8 1.404 2-3/16 2.119 2.188 2.416 2.526 29/32 0.810 0.940
2 2.039 3-1/8 3.025 3.125 3.449 3.608 1-11/32 1.175 1.388
1-1/2 1.531 2-3/8 2.300 2.375 2.622 2.742 1 0.902 1.036
1-3/4 1.785 2-3/4 2.662 2.750 3.035 3.175 1-5/32 1.054 1.196
2-1/4 2.305 3-1/2 3.388 3.500 3.862 4.041 1-1/2 1.327 1.548
2-1/2 2.559 3-7/8 3.750 3.875 4.275 4.474 1-21/32 1.479 1.708

A320 Grade B8T Class 2 Hex Nuts Size Chart


A320 Grade B8T Class 2 Hex Nuts Size Chart

A320 Gr B8T Metric Nut Size Thread
Pitch		 s e m
Width

Flats		 Width

Corners		 Height
min. max. min. min. max.
M1.6 0.35 3.02 3.20 3.41 1.05 1.30
M3 0.5 5.32 5.50 6.01 2.15 2.40
M3.5* 0.6 5.82 6.00 6.58 2.55 2.80
M2 0.4 3.82 4.00 4.32 1.35 1.60
M2.5 0.45 4.82 5.00 5.45 1.75 2.00
M4 0.7 6.78 7.00 7.66 2.9 3.2
M5 0.8 7.78 8.00 8.79 4.4 4.7
M10 1.5 15.73 16.00 17.77 8.04 8.40
M6 1 9.78 10.00 11.05 4.9 5.2
M8 1.25 12.73 13.00 14.38 6.44 6.80
M12 1.75 17.73 18.00 20.03 10.37 10.80
M14* 2 20.67 21.00 23.36 12.1 12.8
M20 2.5 29.16 30.00 32.95 16.9 18.0
M16 2 23.67 24.00 26.75 14.1 14.8
M18* 2.5 26.16 27.00 29.56 15.1 15.8
M22* 2.5 33 34 37.29 18.1 19.4
M24 3 35 36 39.55 20.2 21.5
M33* 3.5 49 50 55.37 27.4 28.7
M27* 3 40 41 45.2 22.5 23.8
M30 3.5 45 46 50.85 24.3 25.6
M36 4 53.8 55.0 60.79 29.4 31.0
M45* 4.5 68.1 70.0 76.95 34.4 36.0
M39* 4 58.8 60.0 66.44 31.8 33.4
M42 4.5 63.1 65.0 71.3 32.4 34.0
M48 5 73.1 75.0 82.6 36.4 38.0
M60* 5.5 87.8 90.0 99.21 46.4 48.0
M52* 5 78.1 80.0 88.25 40.4 42.0
M56 5.5 82.8 85.0 93.56 43.4 45.0
M64 6 92.8 95.0 104.86 49.1 51.0

Find ASTM A320 Grade B8T Class 1 Bolts Weight Chart & Torque Chart

Grade B8T Heavy Hex Bolts Torque Chart


Bolt Size (inches) Torque (ft-lbs)
1/4-20 7
5/16-18 13
3/8-16 23
1/2-13 57
5/8-11 113
3/4-10 200
7/8-9 321
1-8 483
1 1/8-7 685
1 1/4-7 973
1 3/8-6 1275
1 1/2-6 1660


ASTM A320 Gr B8T Studs & A320 B8T Hex Bolts with Excellent Mechanical Properties , Check Composition

A320 B8T Bolt Physical Properties


Property Value
Density 7.93 g/cm³
Thermal Conductivity 16.0 W/m·K
Coefficient of Thermal Expansion 16.0 x 10⁻⁶ /°C
Melting Range 1370°C to 1400°C
Hardness 90 – 95 HRB

Chemical Composition of ASTM A320 B8T Class 2 Flange Bolts


0.08 max

Carbon
2.00

Mn
1.00

Si
9.0 - 12.0

Ni
0.045

Ph
17.0 - 19.0

Cr
0.030

S


ASTM A320 B8T Hex Bolts Weight Chart


ASTM A320 B8T Manufacturer in India provides a outstanding weight chart for fasteners


Bolt Size (inches) Weight (lb/ft) Weight (kg/m)
1/4-20 0.16 0.24
5/16-18 0.27 0.40
3/8-16 0.42 0.63
1/2-13 0.90 1.34
5/8-11 1.63 2.43
3/4-10 2.53 3.77
7/8-9 3.57 5.31
1-8 4.75 7.07
1 1/8-7 6.45 9.60
1 1/4-7 8.18 12.18
1 3/8-6 10.03 14.91
1 1/2-6 12.01 17.89

Equivalent Grade of ASTM A320 Grade B8 Class 2 Nut Bolt


ASTM A320 B8T Manufacturer in India supplies fasteners with equivalent material grades


Grade Country  304 304 L 310 316 316 L 410 431
BS British BS 970 BS 970 BS 970 BS 970 BS 970 BS 970 BS 970
EN European 1.4301 1.4306 1.4841 1.4401 1.4404 1.4006 1.4057
ASTM America ASTM A 193 Gr B8 ASTM A 320 Ge B8 ASTM A 479 ASTM A 193 Gr B8C ASTM A 320 Ge B8C
UNS North America S30400 S30403 S31000 S31600 S31603 S41000 S43100
DIN German X 5CrNi1810 X 2CrNi1911 X 12 CrNi 25 21 X 5 CrNiMo 17 13 2 X 2 CrNiMo 17 13 2 X 10Cr13 X 20CrNi172

Mechanical Properties of ASTM A320 SS 321 Grade B8T Hex Bolts


Bolt Size (inches) Weight (lb/ft) Weight (kg/m)
1/4-20 0.16 0.24
5/16-18 0.27 0.40
3/8-16 0.42 0.63
1/2-13 0.90 1.34
5/8-11 1.63 2.43
3/4-10 2.53 3.77
7/8-9 3.57 5.31
1-8 4.75 7.07
1 1/8-7 6.45 9.60
1 1/4-7 8.18 12.18
1 3/8-6 10.03 14.91
1 1/2-6 12.01 17.89

Delivery Time Table of ASTM A320 Grade B8T Bolts


Country Name Delivery Time
Saudi Arabia
10 days
Singapore
7 days
Malaysia
10 days
Oman
12 days
Jordan
21 days
Turkey
21 days
UAE
7 days
Egypt
18 days
South Africa
25-30 days

What is the Difference Between B8 and B8T?


Feature B8 Bolts B8T Bolts
Material Type 304 Stainless Steel Type 316 Stainless Steel (with Mo)
Corrosion Resistance Moderate Superior (especially in chloride-rich)
Applications General use, moderate conditions Marine, chemical, and offshore
Cost Lower Higher
Strength High High with better corrosion resistance

Are ASTM A320 B8T Hex Bolts Heat-treated?


Yes, ASTM A320 B8T Hex Bolts are heat-treated to enhance strength, toughness, and corrosion resistance.


What is the Lead Time for Astm A320 B8t Hex Bolts From Regal Sales Corporation?


  • ➤Order Size: Larger orders may take more time.
  • ➤Customization: Custom sizes or finishes may increase lead time.
  • ➤Stock Availability: In-stock bolts lead to shorter lead time.


ASTM Fasteners