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ASTM A193 B8 Class 2 Bolts

SA193 B8 Class 2 Material Supplier in India


ASTM A193 B8 Class 2 Bolts

ASTM A193 B8 Class 2 Bolts

A193 B8 Class 2 Stud Bolts

A193 B8 Class 2 Stud Bolts


Table of Content

Specification of Astm A193 B8 Class 2 Hex Bolts

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

Types Of Astm A193 B8 Class 2 Fasteners

Astm A193 B8 Class 2 Bolts

Astm A193 B8 Class 2 Bolts

Astm A193 B8 Class 2 Threaded Rod

Astm A193 B8 Class 2 Threaded Rod

SA193 B8 Class 2 Hex Bolts

SA193 B8 Class 2 Hex Bolts

A193 B8 Class 2 Fasteners

A193 B8 Class 2 Fasteners

ASTM A193 Gr B8m Studs

ASTM A193 Gr B8m Studs

SA193 B8m Class 2 Bolts

SA193 B8m Class 2 Bolts

ASTM A193 B8 Cl 2 stud

ASTM A193 B8 Cl 2 stud

A193 B8 Class 2 Anchor Bolts

A193 B8 Class 2 Anchor Bolts


ASME SA193 B8 Class 2 Hex Bolt Dimension Chart

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.

SA193 B8 Class 2 Bolts Torque Chart

TORQUE FT-LBS - ASTM A193 GRADE B8 Class 2 STUD BOLTS
BOLT
DIA
TORQUE FT-LBS
30% Initial
Torque
70%
Torque
100% Final
Torque
1/2
16
36
52
9/16
23
53
75
5/8
31
73
104
3/4
55
129
184
7/8
71
166
237
1
107
249
356
1⅛
127
297
424
1¼
179
417
596
1⅜
186
435
622
1½
246
574
821
19/16
168
392
560
1⅝
191
445
636
1¾
240
561
801
1⅞
298
696
994
2
366
853
1219
2¼
529
1234
1762
2½
733
1709
2442
2¾
986
2300
3285
3
1289
3008
4297

Size Chart of A193 B8 Class 2 Bolts

ASTM A193 B8 Class 2 Bolt Size Chart

Astm A193 B8 Class 2 Nuts Chemical Structure

Element B8 Class 2
Carbon 0 - 0.15%
Manganese 0 - 1.00%
Phosphorus, max 0 - 0.040%
Sulfur, max 0 - 0.03%
Silicon 0 - 1.00%
Chromium 11.5 - 13.5%
Nickel -
Molybdenum -

A193 B8 Class 2 Bolts Mechanical Analysis

Grade
Size
Tensile ksi, min
Yield, ksi, min
Elong, %, min
RA % min
HBW
HRC
B8 Class 2 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