ASTM A193 B8M Bolts

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ASTM A193 B8M Bolts

ASTM A193 B8M Bolts Short Synopsis

  • Sizes in Stock : 3/4″ to 1-1/2″
  • Service : High Temperature
  • Cutting Methods : Angle Grinder
  • Tensile Class : Class 1 & 2
  • Can Be Manufacture : Up to M160
  • Documentation : MTC Reports

 

Purchase From SA193 Grade B8M Hex Bolts Manufacturer in India

SA193 Grade B8M Hex Bolts

SA193 Grade B8M Hex Bolts

B8M Hex Bolt

B8M Hex Bolt

A193 B8M Heavy Hex Bolt

A193 B8M Heavy Hex Bolt

 

KM Steel India is one of the leading ASTM A193 B8M Bolts Manufacturer In India Which Offer the Fasteners in Discount Cost Even on a Small Quantity. Click Here to Contact

Table Of Content

 

 

ASTM A193 B8M Bolts Specification

ASTM A193 B8M Bolts Specifications

 

Sizes

ASME SA193 B8M Sizes

  • Bolts & Screw : M1.2 To M48
  • Nut : M2 To M20
  • Threaded Rod : M4 To M45

 

Threads

A193 Grade B8M Hex Bolt Threads

  • UNC BSF
  • UNF
  • METRIC
  • BSW

 

Ends

ASME SA193 Gr B8M Bolts and Nuts Ends

  • Rounded
  • Saw cut
  • Sheared
  • Chamfer, Flat

 

Features

ASME SA193 Grade B8M Hex Nuts Features

  • High Tensile Strength
  • High Corrosion
  • Ideal for Harsh Environments
  • Perfect for High-stress Applications

 

Condition

SA 193 Grade B8M Condition

  • Threading
  • Cold Drawn

 

Thread Pitch

ASTM A193 B8M Stainless Steel Nut Bolt Thread Pitch

  • Coarse Threads
  • Fine Threads

 

Application

Grade B8M Stainless Steel Nut Application

  • Ship Building
  • Waste Water Treatment
  • Pumps & Valves
  • Petrochemical

Delivered Areas

ASTM A193 Grade B8M Stainless Steel Studs Delivered Areas

  • UAE, Abu Dhabi
  • Oman, Saudi Arabia
  • USA, Dubai
  • South Africa

 

Standard

A193 B8M Stainless Steel Screw Standard

  • ASTM A193
  • ASME SA193

 

Process

ASTM A193 Grade B8M Fastener Process

  • Cold Forging
  • Hot Forging
  • CNC machined

 

Packaging

Packaging of Metric A193 B8M SS 316 Studs

  • Corrugated Box
  • Small Pack
  • Carton
  • Pallet

Marking

ASTM A193 Gr 8M Threaded Rod Marking

  • Custom logo
  • Material grade
  • Heat number
  • Specification

 

 

Testing Methods

ASTM A193 gr B8M Dowel Pins Testing Methods

  • Flattening
  • Creep Testing
  • Hardness Testing
  • Wedge & Axial Tensile
  • Double Shear

Surface Finish

A193 GR B8M Threaded Rod Surface Finish

  • Nickel Plated, Anodizing
  • Self-Colour, HDG, BZP
  • Plated Zinc-nickel
  • Geometry, Dacroment
  • Zinc, Black Oxide

 

Buy Directly From The A193 B8M Heavy Hex Bolt Stockist online, view its manufacturing standard

What Are The Top 6 Buyer Problems Encountered With The ASTM A193 Grade B8M Fastener ?

What Are The Top 6 Buyer Problems Encountered With The ASTM A193 Grade B8M Fastener ?

ASTM A193 B8m cl2 Size Chart

Diameter Nut Sizes Diameter in mm Diameter in inch
M12 19 12 0.4724
M14 22 14 0.5512
M16 24 16 0.6299
M24 36 24 0.9449
M27 41 27 1.063
M30 46 30 1.1811
M42 65 42 1.6535
M45 70 45 1.7717
M48 75 48 1.8898
M64 95 64 2.5197
M68 100 68 2.6772
M72 105 72 2.8346
M10 17 10 0.3937
M18 27 18 0.7087
M20 30 20 0.7874
M22 32 22 0.8661
M33 50 33 1.2992
M36 55 36 1.4173
M39 60 39 1.5354
M52 80 52 2.0472
M56 85 56 2.2047
M60 90 60 2.3622
M76 110 76 2.9921
M80 115 80 3.1496

 

Types Of ASTM A193 Grade B8M Bolts

ASTM A193 B8M Bolts Supplier in India offers a variety of the most popular types.

B8M Bolts Material

B8M Bolts Material

B8M Socket Head Cap Screw

B8M Socket Head Cap Screw

A193 B8M Stainless Steel Bolts

A193 B8M Stainless Steel Bolts

 

SA193 B8M Heavy Hex Bolts

SA193 B8M Heavy Hex Bolts

ASTM A193 B8M Hex Cap Screws

ASTM A193 B8M Hex Cap Screws

Grade B8M Stainless Steel Bolts

Grade B8M Stainless Steel Bolts

 

B8M Grade Stainless Steel Hex Bolts

B8M Grade Stainless Steel Hex Bolts

A193 B8M SS 316 J Bolts

A193 B8M SS 316 J Bolts

ASTM A193 Gr 8M Square Head Bolts

ASTM A193 Gr 8M Square Head Bolts

 

ASTM A193 Gr B8M Threaded Rods

ASTM A193 Gr B8M Threaded Rods

A193 GR B8M Anchor Bolts

A193 GR B8M Anchor Bolts

B8M Stainless Steel Eye Bolts

B8M Stainless Steel Eye Bolts

 

SA193 B8M Socket Head Cap Screws

SA193 B8M Socket Head Cap Screws

ASTM A 193 GR B8M Countersunk Screws

ASTM A 193 GR B8M Countersunk Screws

 

Check B8M Bolts Material and B8M Socket Head Cap Screw With Customized Sizes.

ASTM A193 B8M Class 1 Socket Head Cap Screw Size Chart

ASTM A193 B8M Class 1 Socket Head Cap Screw Size Chart

SA 193 B8m Screw Size Of D Thickness Of Head Bolts Corners Across Diam Of Body Flats Across
H Max H Min C Max C Min D Max D Min F Max F Min
m12 7.76 4.24 20.78 20.03 12 11.73 19 17.73
m16 10.32 9.68 27.71 26.75 16 15.73 24 23.67
m24 15.44 14.56 41.57 39.55 24 23.67 36 35
m36 23.38 21.63 63.51 60.79 36 35.61 55 53.8
m48 31.07 28.93 86.6 82.76 48 47.38 75 72.6
m64 41.32 38.68 109.7 104.65 64 63.26 95 91.8
m80 51.58 48.42 132.72 126.54 80 79.26 115 111
m100 63.9 60.1 167.43 159.6 90 99.13 145 140
m10 6.63 6.17 18.48 17.77 10 9.78 17 15.73
m14 9.09 8.51 24.25 23.35 14 13.73 22 20.67
m20 12.88 12.12 34.64 32.95 20 19.67 30 29.16
m30 19.48 17.92 53.12 50.85 30 29.67 46 45
m42 26.97 25.03 75.06 71.71 42 41.38 65 62.9
m56 36.2 33.8 98.15 93.71 56 55.26 85 82.2
m72 46.45 43.55 121.24 115.6 72 71.26 105 101.4
m90 57.74 54.26 150.11 143.07 90 89.13 130 125.5

 

B8M Stainless Steel Bolts Supplier in Mumbai, Also See B8m Heavy Hex Bolts Corrosion-resistant Coatings

Different Types Of Corrosion-resistant Coatings Available For ASTM A193 Grade B8M Bolt Nut ?

  • Cadmium plating
  • PTFE coating
  • Zinc plating
  • Xylan coating
  • Hot Dipped Galvanizing
  • Oxidized
  • Epoxy Coating
  • Electro Polished
  • Teflon Coating
  • Mirror Buffed
Check Updated ASTM A193 B8M Hex Cap Screws Torque Chart, View SA 193 B8M Anchor Bolts Maximum Thickness

ASTM A193 B8M Hex Cap Screws Torque Chart

ASTM a193 b8m bolts Size Low Head Socket Cap 10.9 Button Head Cap 12.9 Socket Head Cap 12.9 Flat Head Cap 12.9 Socket Set Screw 45H
M4 2.70 Nm 3.10 Nm 4.83 Nm 3.10 Nm 2.50 Nm
M6 9.15 Nm 10.5 Nm 16.8 Nm 10.50 Nm 8.50 Nm
M10 44.0 Nm 52 Nm 81.0 Nm 52 Nm 40.0 Nm
M14 122 Nm – 226 Nm 143 Nm 65.0 Nm
M18 262 Nm – 485 Nm – 310 Nm
M3 1.15 Nm 1.35 Nm 2.20 Nm 1.35 Nm 0.90 Nm
M5 5.40 Nm 6.10 Nm 10.0 Nm 6.10 Nm 5.00 Nm
M8 22.0 Nm 26 Nm 41.0 Nm 26 Nm 20.0 Nm
M12 77.0 Nm 90 Nm 142 Nm 90 Nm 65.0 Nm
M16 190 Nm 225 Nm 350 Nm 225 Nm 160 Nm
M20 371 Nm – 685 Nm 440 Nm 310 Nm

 

Weight Chart Of SA 193 Gr B8M Anchor Bolts

b8m bolts Diam inch 193 b8m Bolt Weight per Inch 193 b8m Bolt Weight per Foot lbs
1-1/8″ 0.86 10.32
5/16″ 0.06 0.72
1-1/2″ 1.56 18.72
1/2″ 0.16 1.92
1/4″ 0.04 0.48
3/8″ 0.09 1.08
3/4″ 0.38 4.56
9/16″ 0.21 2.52
1-3/4″ 2.14 25.68
7/16″ 0.12 1.44
7/8″ 0.52 6.24
5/8″ 0.26 3.12
2″ 2.8 33.6
1-1/4″ 1.06 12.72
1″ 0.66 7.92

 

B8M Grade Stainless Steel Socket Head Cap Screw Applications

B8M Grade Stainless Steel Socket Head Cap Screw Applications

Chemical Composition Of Grade B8M Hex Bolts

ASTM A193 B8M Bolts Manufacturer in India Provides Accurate Chemical Composition of Fasteners.

Carbon

0.08 (Max.)

Silicon (Si)

1.00 (Max.)

Manganese (Mn)

2.00 (Max)

Phosphorus (P)

0.045

Sulfur (S)

0.030

Chromium (Cr)

16.0 – 18.0%

Molybdenum (Mo)

2.00 – 3.00

Nickel (Ni)

–

A193 B8m Bolts Mechanical Properties

Grade a193 b8m class 1 a193 b8m class 2
Sizes All Up to 3/4 1-1/8 – 1-1/4 7/8 1 1-3/8 – 1-1/2
Tensile Stress ksi 75 110 95 100 90
Yield Stress ksi 30 95 65 80 50
Elong 30 15 25 20 30
RA 50 45 45 45 45
HBW 223 max 321 max
HRC 96 max 35 max

 

Equivalent Grades Of ASTM A193 B8M Bolts

ASTM A193 B8M Fasteners Manufacturer in India offers Fasteners with Equivalent Material Grades.

Grade ASTM DIN BS UNS EN
Country America German British North America European
304 L ASTM A 320 Ge B8 1.4306 BS 970 S30403 X 2CrNi1911
316 ASTM A 193 Gr B8M 1.4401 BS 970 S31600 X 5 CrNiMo 17 13 2
410 – 1.4006 BS 970 S41000 X 10Cr13
304 ASTM A 193 Gr B8 1.4301 BS 970 S30400 X 5CrNi1810
310 ASTM A 479 1.4841 BS 970 S31000 X 12 CrNi 25 21
316 L ASTM A 320 Ge B8M 1.4404 BS 970 S31603 X 2 CrNiMo 17 13 2
431 – 1.4057 BS 970 S43100 X 20CrNi172

 

ASTM A193 Gr B8M Anchor Bolts Physical Properties

Property Value
Modulus of Elasticity 193 GPa
Specific Heat Capacity 500 J/kg·K at 20°C
Thermal Conductivity 16.2 W/m·K at 20°C
Density 8.0 g/cm³ (8000 kg/m³)
Thermal Expansion Coefficient 16.0 µm/m·K (0 to 100°C)
Melting Point 1375-1400°C (2500-2550°F)
Electrical Resistivity 7.4 x 10⁻⁷ Ω·m at 20°C

 

A193 B8M Class 1 Hex Bolt Dimensions In Metric

A193 B8M Class 1 Hex Bolt Dimensions In Metric

D k Max s max e nom Min Shank Min Washer Min k nom Min s min e Max Shank Max Washer Max
M2 1.525 4 4.32 4.38 1.86 – 1.4 1.275 3.88 4.6 2 –
M3 2.125 5.5 6.01 6.08 2.86 4.83 2 1.875 5.38 6.4 3 5.08
M4 2.925 7 7.66 7.74 3.82 6.3 2.8 2.675 6.85 8.1 4 6.55
M6 4.15 10 11.05 11.05 5.82 9.23 4 3.85 9.78 11.5 6 9.48
M7 – 11 12.12 – – – 4.8 – – – – –
M10 7.18 17 18.9 18.9 9.78 16.18 6.4 6.82 16.73 19.6 10 16.43
M14 9.18 22 24.49 24.49 13.73 21.12 8.8 8.82 21.67 25.4 14 21.37
M18 12.215 27 30.14 30.14 17.73 26.02 11.5 11.785 26.67 31.2 18 26.27
M22 14.215 32 35.72 35.72 21.67 30.74 14 13.785 31.61 36.9 22 31.21
M27 17.215 41 45.2 45.63 26.67 39.36 17 16.785 40.38 47.3 27 39.98
M33 21.26 50 55.37 55.8 32.61 48.36 21 20.74 49.38 57.7 33 48.98
M39 25.26 60 66.4 66.96 38.61 58.24 25 24.74 59.26 69.3 39 58.86
M45 28.26 70 76.95 78.26 44.61 68.04 28 27.74 69.26 80.8 45 68.76
M52 33.21 80 88.3 89.56 51.54 – 33 32.69 79.26 92.4 52 –
M60 38.31 90 99.35 100.72 59.54 – 38 37.69 89.13 103.9 60 –
M68 43.31 100 110.5 112.02 67.54 – 43 42.69 99.13 115.5 68 –
M76 – 110 121.55 – 75.26 – 48 – 107.8 – – –
M90 – 130 144 – 89.13 – 57 – – – – –
M110 – 155 171.28 – 109.13 – 69 – – – – –
M140 – 200 221 – 139 – 88 – – – – –
M1.6 1.225 3.2 3.41 3.48 1.46 – 1.1 0.975 3.08 3.7 1.6 –
M2.5 1.825 5 5.45 5.51 2.23 – 1.7 1.575 4.88 5.8 2.5 –
M3.5 – 6 6.58 – – – 2.4 – – – – –
M5 3.65 8 8.79 8.87 4.82 7.3 3.5 3.35 7.85 9.2 5 7.55
M8 5.65 13 14.38 14.38 7.78 12.18 5.3 5.35 12.73 15 8 12.43
M12 8.18 19 21.1 21.1 11.73 18.12 7.5 7.82 18.67 21.9 12 18.37
M16 10.18 24 26.75 26.75 15.73 23.02 10 9.82 23.67 27.7 16 23.27
M20 13.215 30 33.53 33.53 19.67 28.8 12.5 12.785 29.67 34.6 20 29.27
M24 15.215 36 39.98 39.98 23.67 34.51 15 14.785 35.38 41.6 24 34.98
M30 19.26 46 50.85 51.28 29.67 44.36 18.7 18.74 45.38 53.1 30 44.98
M36 23.26 55 60.79 61.31 35.61 53.24 22.5 22.74 54.26 63.5 36 53.86
M42 26.26 65 71.3 72.61 41.61 63.04 26 25.74 64.26 75.1 42 63.76
M48 30.26 75 82.6 83.91 47.61 73.04 30 29.74 74.26 86.6 48 73.76
M56 35.31 85 93.63 95.07 55.54 – 35 34.69 84.13 98.1 56 –
M64 40.31 95 104.98 106.37 63.54 – 40 39.69 94.13 109.7 64 –
M72 – 105 116.03 – 71.26 – 45 – 102.8 – – –
M80 – 115 127.3 – 79.26 – 50 – – – – –
M100 – 145 161 – 99.13 – 63 – – – – –
M125 – 180 198.9 – 124 – 79 – – – – –
M160 – 230 254.15 – 159 – 100 – – – – –

 

ASTM A 193 Grade B8M Threaded Rods Hardness

A193 B8M Class 1 A193 B8M Class 2
223 HBW 35HRC or 321 HBW

 

Testing Applied On A193 Grade B8M Hex Bolt

  • PMI Testing
  • Chemical Analysis
  • Mechanical Testing
  • Hardness Test
  • IGC Test
  • Tensile Testing

What Is The Manufacturing Process Of ASTM A193 Grade B8M Fastener ?

What Is The Manufacturing Process Of ASTM A193 Grade B8M Fastener ?

A193 B8M Washer Size Chart

A193 B8M Washer Size Chart

D d1 Min d2 Min h Min d1 Max d2 Max h Max
M2 2.5 7.64 0.6 2.64 8 0.9
M3 3.5 11.57 1 3.68 12 1.4
M4 4.7 15.57 1.6 4.88 16 2.3
M6 6.65 24.88 1.6 6.87 25.4 2.3
M10 10.85 38.38 2.5 11.12 39 3.5
M14 15.25 49.38 3 15.52 50 4
M20 21.8 64.8 4 22.32 66 5.1
M30 32.4 88.6 5 33.02 90 6.4
M1.6 1.95 5.7 0.6 2.09 6 0.9
M2.5 3 9.64 0.8 3.14 10 1.2
M3.5 4 14.57 1.2 4.18 15 1.75
M5 5.5 19.48 1.6 5.78 20 2.3
M8 8.9 31.38 2 9.12 32 2.8
M12 13.3 43.38 2.5 13.57 44 3.5
M16 17.25 54.8 3.5 17.52 56 4.8
M24 25.6 70.8 4.5 26.12 72 5.6
M36 38.3 108.6 7 38.92 110 8.5

 

Call now to order ASTM A193 Grade B8M bolts and nuts for clients in the cities listed below

Suplier of ASTM A193 B8M Bolts, Supply B8M Cl2 Stud in Various Countries

Texas (USA) California (USA)
Al Jubail (Saudi Arabia) Dubai (UAE)
Dammam (Saudi Arabia) Abu Dhabi (UAE)
Riyadh (Saudi Arabia) Houston (USA)
Al Khobar (Saudi Arabia) Indiana (USA)

 

Heat Treatment Of Class 2 B8M Bolts

Heat Treatment 1010ºC To 1120ºC

 

ASTM A193 B8M Bolt Dimension Chart

ASTM A193 B8M Bolt Dimension Chart

Diameter D Across the Flats F Head Height H Body Diam D Across the Corners Thread Lengths T
MAX MIN MAX MIN MAX MIN MAX MIN < 6” > 6”
3/4 1.25 1.212 0.524 0.455 0.768 0.729 1.443 1.383 1.75 2
5/8 1.062 1.031 0.444 0.378 0.642 0.605 1.227 1.175 1.5 1.75
1 1/8 1.812 1.756 0.78 0.658 1.149 1.098 2.093 2.002 2.5 2.75
1 1/4 2 1.938 0.876 0.749 1.277 1.223 2.309 2.209 2.75 3
1 1/2 2.375 2.3 1.036 0.902 1.531 1.47 2.742 2.622 3.25 3.5
2 3.125 3.025 1.388 1.175 2.039 1.964 3.608 3.449 4.25 4.5
2 3/4 4.25 4.112 1.869 1.632 2.827 2.711 4.907 4.688 5.75 6
1/2 0.875 0.85 0.364 0.302 0.515 0.482 1.01 0.969 1.25 1.5
7/8 1.438 1.394 0.604 0.531 0.895 0.852 1.66 1.589 2 2.25
1 1.625 1.575 0.7 0.591 1.022 0.976 1.876 1.796 2.25 2.5
2 1/4 3.5 3.388 1.548 1.327 2.305 2.214 4.041 3.862 4.75 5
1 3/8 2.188 2.119 0.94 0.81 1.404 1.345 2.526 2.416 3 3.25
1 3/4 2.75 2.662 1.196 1.054 1.785 1.716 3.175 3.035 3.75 4
2 1/2 3.875 3.75 1.708 1.479 2.559 2.461 4.474 4.275 5.25 5.5
3 4.625 4.475 2.06 1.815 3.081 2.961 5.34 5.102 6.25 6

 

Size Chart Of SA 193 Grade B8M Hex Nuts In Metric

Size Chart Of SA 193 Grade B8M Hex Nuts In Metric

D s s min e min m max D s max e max m m min
5/16″ 9/16″ 0.546 0.622 0.314 0.3125 0.562 0.65 19/64″ 0.28
7/16″ 3/4″ 0.728 0.83 0.441 0.4375 0.75 0.866 27/64″ 0.403
9/16″ 15/16″ 0.909 1.037 0.568 0.5625 0.938 1.083 35/64″ 0.526
3/4″ 1.1/4″ 1.212 1.382 0.758 0.75 1.25 1.443 47/64″ 0.71
1″ 1.5/8″ 1.575 1.796 1.012 1 1.625 1.876 63/64″ 0.956
1.1/4″ 2″ 1.938 2.209 1.251 1.25 2 2.309 1.7/32″ 1.187
1.1/2″ 2.3/8″ 2.3 2.622 1.505 1.5 2.375 2.742 1.15/32″ 1.433
1.3/4″ 2.3/4″ 2.662 3.035 1.759 1.75 2.75 3.175 1.23/32″ 1.679
2″ 3.1/8″ 3.025 3.449 2.013 2 3.125 3.608 1.31/32″ 1.925
2.1/2″ 3.7/8″ 3.75 4.275 2.505 2.5 3.875 4.474 2.29/64″ 2.401
3″ 4.5/8″ 4.475 5.102 3.013 3 4.625 5.34 2.61/64″ 2.893
3.1/5″ 5.3/8″ 5.2 5.928 3.506 3.5 5.375 6.207 3.7/16″ 3.37
4″ 6.1/8″ 5.925 6.755 4.014 4 6.125 7.073 3.15/16″ 3.862
1/4″ 1/2″ 0.488 0.556 0.25 0.25 0.5 0.577 15/64″ 0.218
3/8″ 11/16″ 0.669 0.763 0.377 0.375 0.688 0.794 23/64″ 0.341
1/2″ 7/8″ 0.85 0.969 0.504 0.5 0.875 1.01 31/64″ 0.464
5/8″ 1.1/16″ 1.031 1.175 0.631 0.625 1.062 1.227 39/64″ 0.587
7/8″ 1.7/16″ 1.394 1.589 0.885 0.875 1.438 1.66 55/64″ 0.833
1.1/8″ 1.13/16″ 1.756 2.002 1.139 1.125 1.812 2.093 1.7/64″ 1.079
1.3/8″ 2.3/16″ 2.119 2.416 1.378 1.375 2.188 2.526 1.11/32″ 1.31
1.5/8″ 2.9/16″ 2.481 2.828 1.632 1.625 2.562 2.959 1.19/32″ 1.556
1.7/8″ 2.15/16″ 2.844 3.242 1.886 1.875 2.938 3.392 1.27/32″ 1.802
2.1/4″ 3.1/2″ 3.388 3.862 2.251 2.25 3.5 4.041 2.13/64″ 2.155
2.3/4″ 4.1/4″ 4.112 4.688 2.759 2.75 4.25 4.907 2.45/64″ 2.647
3.1/4″ 5″ 4.838 5.515 3.252 3.25 5 5.774 3.3/16″ 3.124
3.3/4″ 5.3/4″ 5.562 6.341 3.76 3.75 5.75 6.64 3.11/16″ 3.616

 

ASTM A193 Grade B8M Flange Bolts Temperature Range

Material Temperature °c ( °f )
Min Max
B7, L7 -73 (-100) 400 (752)
B8 -200 (-325) 575 (1067)
B17B -29 (-20) 650 (1202)
660 -29 (20) 538 (1000)
Carbon Steel -29 (-20) 300 (572)
B6 0 (32) 500 (932)
B16 0 (32) 520 (968)
INC 718 0 (32) 750 (1382)

 

Why ASTM A193 B8M Flange Bolt Commonly Used In Marine Environments ?

Why ASTM A193 B8M Flange Bolt Commonly Used In Marine Environments ?

Delivery Scheduled Of B8M Stainless Steel Square Head Bolts

Country Name Delivery Time
Oman 7 days
South Africa 25-30 days
Egypt 18 days
Thailand 7 days
Singapore 8 days
Saudi Arabia 7 days
UAE 5 days
Malaysia 10 days
Turkey 21 days
Jordan 21 days

 

Torque chart of ASTM A193 B8m Class 2 Bolts

BOLT DIA 1/2 1⅛ 1⅜ 5/8 3/4 7/8 19/16 1¾ 1⅞ 1½ 2 2½ 2¾ 3
astm a193 b8m class 2 torque chart 30% Initial Torque 22 172 252 42 75 96 228 325 404 334 496 994 1337 1748
70% Torque 49 403 590 99 175 225 531 761 944 778 1157 2317 3118 4078
100% Final Torque 71 575 843 141 249 321 759 1086 1348 1113 1653 3311 4454 5826

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