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ASTM A193 B8 Bolts

ASTM A193 B8 Stud Bolts manufacturers in India


ASTM A193 B8 Bolts

ASTM A193 B8 Bolts

SA 193 gr b8 Studs

SA 193 gr b8 Studs


Table of Content

ASTM A193 B8 Bolts Specification Format

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

List Of ASTM A193 B8 Nuts Types

ASME SA193 B8 Dome Nuts

ASME SA193 B8 Dome Nuts

ASTM A193 B8 Lag Bolts

ASTM A193 B8 Lag Bolts

A193 B8 Stud Bolts

A193 B8 Stud Bolts

ASTM A193 B8 Threaded Rod

ASTM A193 B8 Threaded Rod

ASTM A193 Gr. B8 Flat Washers

ASTM A193 Gr. B8 Flat Washers

ASTM A193 B8 T Nuts

ASTM A193 B8 T Nuts

SA193 B8 Hex Bolts

SA193 B8 Hex Bolts

SA193 B8 Wing Nuts

SA193 B8 Wing Nuts


ASTM A193 B8 Heavy Hex Bolt Dimension Standards

ASTM A193 B8 Hex Bolt Dimension
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 Grade B8 Bolt Size Chart

ASTM A193 B8 Bolt Size Chart

ASTM Specifications of A193 B8 Bolts

  • ASTM A193 / A193M – 16 : Specifications for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels
  • ASTM A1082 / A1082M – 16 : Specifications for High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications
  • ASTM F2281 : Specifications for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications Designation
  • ASTM A1014 / A1014M – 16 : Specifications for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
  • ASTM A962 / A962M – 16a : Specifications for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range
  • ASTM A638 / A638M : Specifications for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service

ASTM A193 B8 Socket Head Cap Screws, Chemical Properties

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

Mechanical Characteristics of ASTM A193 B8 Threaded Rod

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