ASTM A193 Grade B8 Class 2 Bolts

ASME SA193 B8 Cl2 Strain Hardened Studs and Threaded Rod manufacturer in India

ASTM A193 Grade B8 Class 2 Bolts

 

astm a193 b8 class 2 is a standard material specification for austentic stainless steel corrosion resistant fastener which is used for high temperature and high temperature and for special application purpose such as pressure vessels bolting and pressure piping. astm a193 grade b8 class 2 has a higher tensile and yield strength than other steel grades such as astm a193 grade b5 and astm a193 grade b7.

Are you looking ASTM A193 B8 Class 2 Bolts for pressure vessels bolting ?

  • India's 3rd biggest Manufacturer of ASTM A193 B8 Cl2 Threaded rod. mail us to know our clients of ASTM A193 B8 Class 2 Fasteners in Europe, West Africa, Middle east and USA.
  • Check our B8 Class 2 Stud cost per kg. You'll discover least 10% cheaper than any other supplier in India
  • Visit our stockyard at Taloja in Maharashtra to see our stock of A193 B8 Class 2 Heavy Hex Bolts
  • Do You Know Siddhagiri was the biggest supplier of A193 B8 Class 2 Material in UAE and Qatar from 2017 to 2019 as per export information.

 

b8 class 2 bolts is a high-strength bolts are typically used in standard temperature and pressure level applications such as general-use construction projects. a193 b8 class 2 is a strain hardened and carbide solution treated stainless steel 304. It has a minimum tensile strength of 125ksi and yield strength of 100ksi and maximum hardness of 35 HRC. b8 class 2 is also quenched and tempered at 800 F leading to its strength. It has carbon of 0.28-0.55%, phosphorus of 0.030% max and sulfur of 0.050% max.

a193 b8 cl2 is an automotive specification. Both specifications are heat treated and tempered at 800° F, which creates a very strong part but increases brittleness more than comparative specifications. sa193 b8 cl2 is typically used for threaded bolts in demanding applications such as automotive suspensions for large trucks and tractors.

 

ASTM A193 Grade B8 Class 2 Bolts
ASTM A193 Grade B8 Class 2 Bolts
Sa193 B8 Cl2 Bolts
Sa193 B8 Cl2 Bolts
ASTM A193 B8 Stud Bolts
ASTM A193 B8 Stud Bolts

 

 

ASTM A193 Grade B8 Class 2 Bolts

 

ASTM A193 Grade B8 Class 2 Bolts Material Specification

Standard DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards
Size M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160
Length 3 mm to 200 mm
Studs Threads: METRIC, BSW, BSF, UNC, UNF or as required
Standard:

ANSI - American National Standards Institute

  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • Length are defined in ASME B16.5 standard
  • ASME B18.5

DIN: 931, 933, 934, 970

UTS - Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF

ISO - International Organization for Standardization : ISO 4032, ISO 4033, JIS standards

Bolts In Form of:

Hex, Square, Round, Threading as per Gauge Etc.

Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
Thread Metric Coarse
Test Certificate: Manufacturer Test Certificate as per EN 10204 / 3.1
finishing: Zinc (yellow, white, blue, black), black oxide, , Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated, Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Mechanically Applied coating and some special one like DACROMET
Production process M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element
Bolts types Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc.
Nut types Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc.
Screws types Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc.
Washers Types Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer
Packing: IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request

 

buy A193 B8 Class 2 Hex Bolts and Nut in M12 - M30 size range online and save cost, view price

 

Price List of B8 Cl 2 Screw

ASTM A193 grade B8 Class 2 bolts
Price
ASTM A193 B8 Class 2 Bolts/ Full Threaded Rod
US $ 2500-4500 / Ton
ASTM A193 B8 Class 2 Hex Bolt with 2 Nut
US $ 1-1.2 / kg
ASTM A193 B8 Class 2 Bright Stud Bolt / Threaded Rod
US $ 700-1100 / Ton
Stainless Steel Stud Bolt ASTM A193 B8
US $ 700-1100 / Ton
ASTM A193 B8 Full Threaded Stud Bolt Class 2
US $ 0.01 / Piece

 

Check sizes & dimensions of partially threaded A193 B8 Class 2 Heavy Hex Bolts, view B8 CL2 Torque chart

 

ASTM A193 B8 Class 2 Torque Chart

ASTM A193 Grade B8 Class 2 Bolts Torque Specifications
Bolts Size, Inches or #
Threads, Per Inch
Standard Dry Torque in Inch-Pounds
ASTM A193 B8 Class 2
ASTM A193 B8 Class 2
#2562.52.6
643.03.2
#3483.94.0
564.44.6
#4405.25.5
486.66.9
#5407.78.1
449.49.8
#6329.610.1
4012.112.7
#83219.820.7
3622.023.0
#102422.823.8
3231.733.1
Bolt Size, Inches or #
Threads, Per Inch
Standard Dry Torque in Inch-Pounds
ASTM A193 B8 Class 2
ASTM A193 B8 Class 2
1/42075.278.8
2894.099.0
5/1618132138
24142147
3/816236247
24259271
7/1614376393
20400418
1/213517542
20541565
Bolt Size, Inches or #
Threads, Per Inch
Standard Dry Torque in Inch-Pounds
ASTM A193 B8 Class 2
ASTM A193 B8 Class 2
9/1612682713
18752787
5/81111101160
1812441301
3/41015301582
1614901558
7/8923282430
1423182420
1834403595
1431103250
Bolt Size, Inches or #
Threads, Per Inch
Standard Dry Torque in Foot-Pounds
ASTM A193 B8 Class 2
ASTM A193 B8 Class 2
1 1/87413432
12390408
1 1/47523546
12480504
1 1/26888930
12703732

 

Size Chart of ASTM A193 B8 Class 2 Bolts

NOM., DIA. PITCH, mm DIAMETER, mm DIAMETER, inch NUT, Size
M10 1.5 10 0.3937 17
M12 1.75 12 0.4724 19
M14 2 14 0.5512 22
M16 2 16 0.6299 24
M18 2.5 18 0.7087 27
M20 2.5 20 0.7874 30
M22 2.5 22 0.8661 32
M24 3 24 0.9449 36
M27 3 27 1.063 41
M30 3.5 30 1.1811 46
M33 3.5 33 1.2992 50
M36 4 36 1.4173 55
M39 4 39 1.5354 60
M42 4.5 42 1.6535 65
M45 4.5 45 1.7717 70
M48 5 48 1.8898 75
M52 5 52 2.0472 80
M56 5.5 56 2.2047 85
M60 5.5 60 2.3622 90
M64 6 64 2.5197 95
M68 6 68 2.6772 100
M72 6 72 2.8346 105
M76 6 76 2.9921 110
M80 6 80 3.1496 115
M85 6 85 3.3464 120
M90 6 90 3.5433 130
M100 6 100 3.937 145
M110 6 110 4.3307 155
M125 6 125 4.9212 180
M140 6 140 5.5118 200
M160 6 160 6.2992 230

 

Dimensions Table Of Sa193 B8 Cl2 Bolts

Hex Bolt Dimension

NOMINAL SIZE (D)
ACROSS THE FLATS
HEAD THK
ACROSS BOLTS CORNERS
BODY DIA.
F (MAXIMUM)
F (MINIMUM)
H (MAXIMUM)
H (MINIMUM)
C (MAXIMUM)
C (MIN)
D (MAXIMUM)
D (MINIMUM)
m10
17.000
15.073
6.063
6.017
18.048
17.077
10.000
9.078
m12
19.000
17.073
7.076
4.024
20.078
20.003
12.000
11.073
m14
22.000
20.067
9.009
8.051
24.025
23.035
14.000
13.073
m16
24.000
23.067
10.032
9.068
27.071
26.075
16.000
15.073
m20
30.000
29.016
12.088
12.012
34.064
32.095
20.000
19.067
m24
36.000
35.000
15.044
14.056
41.057
39.055
24.000
23.067
m30
46.000
45.000
19.048
17.092
53.012
50.085
30.000
29.067
m36
55.000
53.080
23.038
21.063
63.051
60.079
36.000
35.061
m42
65.000
62.090
26.097
25.003
75.006
71.071
42.000
41.038
m48
75.000
72.060
31.007
28.093
86.060
82.076
48.000
47.038
m56
85.000
82.020
36.02
33.080
98.015
93.071
56.000
55.026
m64
95.000
91.080
41.032
38.068
109.070
104.065
64.000
63.026
m72
105.000
101.040
46.045
43.055
121.024
115.060
72.000
71.026
m80
115.000
111.000
51.058
48.042
132.072
126.054
80.000
79.026
m90
130.000
125.050
57.074
54.026
150.011
143.007
90.000
89.013
m100
145.000
140.000
63.09
60.010
167.043
159.060
90.000
99.013

 

Capability to machine diameters up to 8", or 200mm SA193 B8 Class 2 Studs, threaded rod/ bar, U bolt

 

 

ASTM A193 B8 Class 2 Heavy Hex Bolt Dimensions

Heavy Hex Bolts Dimensions

Diameter Of (D)
Heavy Hex Bolts Across the Flats (F)
Body Diameter Of Heavy Hex Bolts (D)
Height Of (H) Head
Heavy Hex Bolts Across the Corners ©
Lengths Of (T) Thread
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
< 6”
> 6”
1/2
0.0875
0.085
0.0515
0.0482
0.0364
0.0302
1.001
0.0969
1.025
1.05
5/8
1.0062
1.0031
0.0642
0.0605
0.0444
0.0378
1.0227
1.0175
1.05
1.075
3/4
1.025
1.0212
0.0768
0.0729
0.0524
0.0455
1.0443
1.0383
1.075
2
7/8
1.0438
1.0394
0.0895
0.0852
0.0604
0.0531
1.066
1.0589
2
2.025
1
1.0625
1.0575
1.0022
0.0976
0.07
0.0591
1.0876
1.0796
2.025
2.05
1 1/8
1.0812
1.0756
1.0149
1.0098
0.078
0.0658
2.0093
2.0002
2.05
2.075
1 1/4
2
1.0938
1.0277
1.0223
0.0876
0.0749
2.0309
2.0209
2.075
3
1 3/8
2.0188
2.0119
1.0404
1.0345
0.094
0.081
2.0526
2.0416
3
3.025
1 1/2
2.0375
2.03
1.0531
1.047
1.0036
0.0902
2.0742
2.0622
3.025
3.05
1 3/4
2.075
2.0662
1.0785
1.0716
1.0196
1.0054
3.0175
3.0035
3.075
4
2
3.0125
3.0025
2.0039
1.0964
1.0388
1.0175
3.0608
3.0449
4.025
4.05
2 1/4
3.05
3.0388
2.0305
2.0214
1.0548
1.0327
4.0041
3.0862
4.075
5
2 1/2
3.0875
3.075
2.0559
2.0461
1.0708
1.0479
4.0474
4.0275
5.025
5.05
2 3/4
4.025
4.0112
2.0827
2.0711
1.0869
1.0632
4.0907
4.0688
5.075
6
3
4.0625
4.0475
3.0081
2.0961
2.006
1.0815
5.034
5.0102
6.025
6.0

 

Specialized in A193 B8 Class 2 Material for sale in Mumbai at genuine price , Check out our inventory

 

ASME SA193 B8 Class 2 Bolts Drive Style

ASME SA193 B8 Class 2 Bolts Drive Style

 

ASTM A193 B8 Cl2 hex nut dimensions

ASTM A193 B8 Cl2 hex nut dimensions
Nominal Size or Basic Major Thread Diameter F G H
Width, Across Flats Width, Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4.25007/16.438.428.505.4887/32.226.212
5/16.31251/2.500.489.577.55717/64.273.258
3/8.37509/16.562.551.650.62821/64.337.479
7/16.437511/16.688.675.794.7683/8.385.365
1/2.50003/4.750.736.866.8407/16.448.427
9/16.56257/8.875.8611.010.98231/64.496.473
5/8.625015/16.938.9221.0831.05135/64.559.535
3/4.75001-1/81.1251.0881.2991.24041/64.665.617
7/8.87501-5/161.3121.2691.5161.4473/4.776.724
11.00001-1/21.5001.4501.7321.65355/64.887.831
1-1/81.12501-11/161.6881.6311.9491.85931/32.999.939
1-3/81.37502-1/162.0621.9942.3822.2731-11/641.2061.138
1-1/21.5002-1/42.2502.1752.5982.4801-9/321.ASTM A194 GR. 81.245
1-5/81.62502-7/162.4382.3562.8152.6861-25/641.4291.353
1-3/41.75002-5/82.6252.5383.0312.8931-1/21.5401.460
22.000033.0002.9003.4643.3061-23/321.7631.675
2-1/42.25003-3/83.3753.2633.8973.7191-15/161.9861.890
2-1/22.50003-3/43.7503.6254.3304.1332-5/322.2092.105
2-3/42.75004-1/84.1253.9884.7634.5462-3/82.4312.319

 

ASME SA193 B8 Class 2 Heavy Hex Nuts

Nominal Size or Basic Major Thread Diameter G F H
Width Across Corners Width Across Flats Thickness
Max Min Basic Max Min Basic Max Min
1/4 .02500 .0577 .0556 1/2 .0500 .0488 15/64 .0250 .0218
5/16 .03125 .0650 .0622 9/16 .0562 .0546 19/64 .0314 .0280
3/8 .03750 .0794 .0763 11/16 .0688 .0669 23/64 .0377 .0341
7/16 .04375 .0866 .0830 3/4 .0750 .0728 27/64 .0441 .0403
1/2 .05000 1.0010 .0969 7/8 .0875 .0850 31/64 .0504 .0464
9/16 .05625 1.0083 1.0037 15/16 .0938 .0909 35/64 .0568 .0526
5/8 .06250 1.0227 1.0175 1-1/16 1.0062 1.0031 39/64 .0631 .0587
3/4 .07500 1.0443 1.0382 1-1/4 1.0250 1.0212 47/64 .0758 .0710
7/8 .08750 1.0660 1.0589 1-7/16 1.0438 1.0394 55/64 .0885 .0833
1 1.00000 1.0876 1.0796 1-5/8 1.0325 1.0575 63/64 1.0012 .0956
1-1/8 1.01250 2.0093 2.0002 1-13/16 1.0812 1.0756 1-7/64 1.0139 1.0079
1-1/4 1.02500 2.0309 2.0209 2 2.0000 1.0938 1-7/32 1.0251 1.0187
1-3/8 1.03750 2.0526 2.0416 2-3/16 2.0188 2.0119 1-11/32 1.0378 1.0460
1-1/2 1.05000 2.0742 2.0622 2-3/8 2.0375 2.0300 1-15/32 1.0505 1.0433
1-5/8 1.06250 2.0959 2.0828 2-9/16 2.0562 2.0481 1-19/32 1.0632 1.0556
1-3/4 1.07500 3.0175 3.0035 2-3/4 2.0750 2.0662 1-23/32 1.0759 1.0679
2 2.00000 3.0608 3.0449 3-1/8 3.0125 3.0025 1-31/32 2.0013 1.0925
2-1/4 2.02500 4.0041 3.0862 3-1/2 3.0500 3.0388 2-13/64 2.0251 2.0155
2-1/2 2.05000 4.0474 4.0275 3-7/8 3.0875 3.0750 2-29/64 2.0505 2.0401
2-3/4 2.07500 4.0907 4.0688 4-1/4 4.0250 4.0112 2-45/64 2.0759 2.0647
3 3.00000 5.0340 5.0102 4-5/8 4.0625 4.0475 2-61/64 3.0013 2.0893
3-1/4 3.02500 5.0774 5.0515 5 5.0000 4.0838 3-3/16 3.0252 3.0124
3-1/2 3.05000 6.0207 5.0928 5-3/8 5.0375 5.0200 3-7/16 3.0506 3.0370
3-3/4 3.07500 6.0640 6.0341 5-3/4 5.0750 5.0562 3-11/16 3.0670 3.0616
4 4.00000 7.0073 6.0755 6-1/8 6.0125 5.0925 3-15/16 4.0014 3.0862

 

A193 B8 Class 2 Bolts head style

A193 B8 Class 2 Bolts head style

 

SA193 B8 Class 2 Bolts Weight Chart

MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH Steel Fasteners DIAMETER
M 12 M 5 M 6 M 8 M 14 M 10 M 22 M 18 M 20 M 16
16 mm 0.0448 0.0743 1.0590 3.0211
20 mm 4.0892 0.0598 0.0812 1.0711 3.0411
25 mm 5.0252 0.0660 0.0897 1.0871 8.0170 3.0660
30 mm 5.0574 0.0737 1.0010 2.0070 9.0690 3.0912 18.0657 10.0707
35 mm 5.0974 0.0804 1.0120 2.0271 10.0000 4.0223 16.0026 19.0608 11.0416
40 mm 6.0410 0.0881 1.0230 2.0470 10.0288 4.0533 16.0667 20.0747 12.0107
45 mm 6.0859 0.0958 1.0340 2.0671 10.0504 4.0840 17.0241 21.0739 12.0821
50 mm 7.0299 1.0030 1.0450 2.0870 11.0261 5.0155 28.0409 17.0857 22.0727 13.0624
55 mm 7.0740 1.0560 3.0071 11.0628 5.0464 30.0120 18.0868 23.0810 14.0409
60 mm 8.0183 1.0670 3.0270 12.0255 5.0774 32.0051 20.0000 25.0126 15.0244
65 mm 8.0621 1.0781 3.0472 12.0626 6.0083 34.0014 21.0008 26.0455 16.0026
70 mm 9.0058 1.0890 3.0671 12.0987 6.0394 35.0461 22.0124 27.0778 16.0835
75 mm 9.0506 2.0000 3.0873 13.0228 6.0702 39.0063 23.0256 29.0070 17.0606
80 mm 10.0000 2.0111 4.0072 13.0889 7.0013 40.0000 24.0510 30.0303 18.0248
90 mm 10.0917 4.0472 14.0925 7.0634 41.0667 26.0042 33.0113 19.0841
100 mm 11.0820 4.0873 16.0340 8.0251 46.0296 27.0778 35.0714 21.0459
110 mm 12.0723 17.0730 8.0881 47.0170 31.0250 38.0168 23.0041
120 mm 13.0624 18.0797 9.0506 50.0000 32.0895 40.0984 24.0631
130 mm 14.0535 20.0000 10.0101 52.0632 34.0722 43.0478 26.0316
140 mm 15.0432 20.0833 10.0707 55.0556 35.0461 46.0296 27.0933
150 mm 16.0340 22.0222 11.0312 58.0824 37.0594 48.0544 29.0412
160 mm 17.0241 24.0272 11.0905 61.0728 40.0984 50.0505 31.0056
170 mm 18.0116 12.0500 64.0935 53.0191 32.0680
180 mm 19.0011 26.0882 13.0123 67.0568 55.0556 34.0247
190 mm 19.0920 13.0736 70.0423 58.0140 35.0971
200 mm 20.0833 29.0586 14.0327 73.0529 49.0020 60.0976 37.0594
220 mm 22.0624 15.0528 79.0365 65.0789 40.0650
240 mm 24.0510 16.0722 84.0746 71.0429 43.0860
250 mm 25.0381 17.0301 87.0719 74.0627 45.0455
260 mm 26.0316 17.0921 90.0909 76.0923 47.0170
280 mm 28.0090 19.0157 98.0039 81.0967 50.0505
300 mm 29.0940 20.0325 104.0167 87.0719 53.0763
320 mm 31.0646 92.0593 56.0818
340 mm 33.0557 98.0039 60.0241
360 mm 35.0211 104.0167 63.0291
380 mm 37.0037 108.0696 66.0667
400 mm 39.0063   113.0636 69.0444

 

A193 B8 Class 2 bolts thread style

A193 B8 Class 2 bolts thread style

 

A193 B8 Class 2 Nuts Size Chart

Steel Nuts Size, (mm)
Diameter*, (mm)
Height, (mm)
Hex Nuts
Jam Nuts
Nylock Nuts
2
4
1.6
1.2
-
2.5
5
2
1.6
-
3
5.5
2.4
1.8
4
4
7
3.2
2.2
5
5
8
4
2.7
5
6
10
5
3.2
6
7
11
5.5
3.5
-
8
13
6.5
4
8
10
17
8
5
10
12
19
10
6
12
14
22
11
7
14
16
24
13
8
16
18
27
15
9
18.5
20
30
16
10
20
*This is the diameter across the flats. It is also the size of wrench to use.

 

ASME SA193 B8 Class 2 socket head cap screw Dimensions

ASME SA193 B8 Class 2 socket head cap screw Dimensions
D Nominal Size
Body Of Diameter
Head Thick.
Flats Acrosses
Bolts Corners Acrosses
D (Maxi.0) D (Minimum) H (Maxi.0) H (Minimum) F (Maxi.0) F (Minimum) C (Maxi.0) C (Mini.0)
M10 10.000 9.078 6.063 6.017 17.000 15.073 18.048 17.077
M12 12.000 11.073 7.076 4.024 19.000 17.073 20.078 20.003
M14 14.000 13.073 9.009 8.051 22.000 20.067 24.025 23.035
M16 16.000 15.073 10.032 9.068 24.000 23.067 27.071 26.075
M20 20.000 19.067 12.088 12.012 30.000 29.016 34.064 32.095
M24 24.000 23.067 15.044 14.056 36.000 35.000 41.057 39.055
M30 30.000 29.067 19.048 17.092 46.000 45.000 53.012 50.085
M36 36.000 35.061 23.038 21.063 55.000 53.080 63.051 60.079
M42 42.000 41.038 26.097 25.003 65.000 62.090 75.006 71.071
M48 48.000 47.038 31.007 28.093 75.000 72.060 86.060 82.076
M56 56.000 55.026 36.02 33.080 85.000 82.020 98.015 93.071
M64 64.000 63.026 41.032 38.068 95.000 91.080 109.070 104.065
M72 72.000 71.026 46.045 43.055 105.000 101.040 121.024 115.060
M80 80.000 79.026 51.058 48.042 115.000 111.000 132.072 126.054
M90 90.000 89.013 57.074 54.026 130.000 125.050 150.011 143.007
M100 90.000 99.013 63.09 60.010 145.000 140.000 167.043 159.060

 

B8 Cl2 Fasteners Tightening and Preload Torque Table

ASTM A193 B8 Class 2 Fasteners Thread Tightening Torque (Nm) class Preload (Kn) Property Class/ Grade Coefficient of friction Min Breaking Torque
A2-70 (304) A1-50 (303) A2-70 (304) A4-80 (316) A4-80 (316) A1-50 (303) A1-50 (303) A1-70 (303) A4-80 (316)
M2.00 0.06 0.015 0.02 0.03 0.06 0.05 0.01 0.03 0.04 0.048
0.05 0.025 0.03 0.04 0.05 0.04 0.02
0.036 0.04 0.04 0.055 0.036 0.025 0.03
M6.00 6.085 2.08 5.09 8 6.085 3.02 0.01 9.03 13 15
5.054 4.01 8.08 11.08 5.054 2.059 0.02
4.049 4.08 10.04 13.09 4.049 2.009 0.03
M1.06 0.055 0.01 0.01 0.02 0.055 0.04 0.01 0.015 0.02 0.024
0.035 0.01 0.02 0.035 0.035 0.03 0.02
0.03 0.02 0.025 0.045 0.03 0.02 0.03
M3.00 1 0.085 1 1.03 1 0.09 0.01 1.01 1.06 1.08
0.065 1 1.01 1.06 0.065 0.06 0.02
0.045 1.025 1.035 1.085 0.045 0.04 0.03
M2.05 0.09 0.025 0.045 0.06 0.09 0.065 0.01 0.06 0.09 0.096
0.05 0.045 0.06 0.065 0.05 0.04 0.02
0.03 0.06 0.075 0.08 0.03 0.03 0.03
M5.00 4.085 1.06 3.04 4.06 4.085 2.026 0.01 5.05 7.08 8.08
3.093 2.04 5.01 6.09 3.093 1.083 0.02
3.019 2.08 6.01 8 3.019 1.049 0.03
M4.00 2.097 0.08 1.07 2.03 2.097 1.008 0.01 2.07 3.08 4.03
2.04 1.03 2.06 3.05 2.04 1.012 0.02
1.094 1.05 3 4.01 1.094 0.09 0.03
M8.00 12.06 6.08 14.05 19.03 12.06 5.086 0.01 23 32 37
10.02 10.01 21.04 28.07 10.02 4.075 0.02
8.085 11.09 25.05 33.09 8.085 3.085 0.03

 

ASTM A193 Grade B8 Class 2 Stud Bolts Dimensions

B8 Class 2 Stud Bolts Dimensions
Diameter Of ASTM A193 B8 Class 2 Stud BoltsASTM A193 B8 Class 2 Studs Bolts
Plain
UNC8UN
1/2 Inch19568-
5/8 Inch19569-
3/4 Inch19570
7/8 Inch19571-
1 Inch19572-
11/8 Inch1957313979
11/4 Inch1957413980
13/8 Inch1965613981
11/2 Inch1965713982
13/4 Inch1965813983
2 Inch1965913984

 

SA193 B8 Class 2 hex screw Size Chart

SA193 B8 Class 2 hex screw Size Chart

 

B8 CL2 Square Bolts Dimensions

B8 CL2 Square Bolts Dimensions
B8 CL2 Square Bolts Dimensions
Size Of Square BoltA (maximum)BC (minimum)DEF
Thread Length
for Bolt Length
maximumminimum6" and
shorter
over 6"
1/4 Inches0.2603/80.49811/640.030.010.7501.000
5/16 Inches0.3241/20.66513/640.030.010.8751.125
3/8 Inches0.3889/160.7471/40.030.011.0001.250
7/16 Inches0.4525/80.82819/640.030.011.1251.375
1/2 Inches0.5153/40.99521/640.030.011.2501.500
5/8 Inches0.64215/161.24427/640.060.021.5001.750
3/4 Inches0.7681-1/81.4941/20.060.021.7502.000
7/8 Inches0.8951-5/161.74219/320.060.022.0002.250
1 Inches1.0221-1/21.99121/320.090.032.2502.500
1-1/8 Inches1.1491-11/162.2393/40.090.032.5002.750
1-1/4 Inches1.2771-7/82.48927/320.090.032.7503.000
1-3/8 Inches1.4042-1/162.73829/320.090.033.0003.250
1-1/2 Inches1.5312-1/42.98610.090.033.2503.500

 

B8 Class 2 Flat Washer Dimensions

B8 Class 2 Flat Washer Dimensions
Size Of ASTM A193 B8 Class 2 Flat Washer
USS
SAE
I.D. (Inside Diameter) Of
(A)
O.D. (Outside Diameter) Of
(B)
Wall Thickness Of
(C)
I.D. Of
(A)
O.D. Of
(B)
Wall Thickness Of
(C)
#2
-
-
-
3/32"
1/4"
0.020"
#4
-
-
-
1/8"
5/16"
0.032"
#6
-
-
-
5/32"
3/8"
0.049"
#8
-
-
-
3/16"
7/16"
0.049"

 

ASTM A193 Grade B8 Class 2 Threaded Rod Dimensions

ASTM A193 Grade B8 Class 2 Threaded Rod Dimensions
D

P
(mm)

D

P
(mm)

M For Metric 20.4M For Metric 201.5/2.5
M For Metric 2.50.45M For Metric 221.5/2.5
M For Metric 30.5M For Metric 242/3
M For Metric 3.50.6M For Metric 272/3
M For Metric 40.7M For Metric 302/3.5
M For Metric 50.8M For Metric 332/3.5
M For Metric 61M For Metric 363/4
M For Metric 81/1.25M For Metric 393/4
M For Metric 101/1.25/1.5M For Metric 423/4.5
M For Metric 121.25/1.5/1.75M For Metric 453/4.5
M For Metric 141.5/2M For Metric 483/5
M For Metric 161.5/2M523/5
M181.5/2.5

 

Our shipments of ASTM A193 Grade B8 Class 2 Bolts in following locations in every three months

France, Qatar, Thailand, Europe A193 B8 Cl2 Strain Hardened Studs
Indonesia, Dammam -KSA, Belgium, Philippines
A193 B8 Class 2 Heavy Hex Bolts
USA, Malaysia, Finland, Bangladesh Astm Ansi A193 M12*1.75 M14*2 B8 class 2 Heavy Hex Bolt
Germany, Czechia, Malaysia, Thailand ASTM A193 B8 cl 2 Stud Bolt / 20mm Threaded Rod
South Africa, Bahrain, Singapore ASTM A193 class 2 Hex Bolt with Hex Nut for one set M20*100 thread 50mm
Saudi Arabia (KSA), South Africa, Brazil, Kuwait A193 B8M Class 2 Stud Bolt
France, Philippines, UK, Australia, Nigeria 1/4-20 X 1/2 A193 B8 Class 2 Hex Head Cap Screw
Italy, Chile, Singapore, Iran Astm A193 B8 Class 2 Threaded Rod
Malaysia, Oman, UAE, Hong Kong A193 B8 Class 2 B8 Class 2M(A) Stainless Steel ANSI Hex Heavy Bolt
Malaysia, Netherlands, Dubai, Russia a193 B8 Class 2 a194 8 stud anti-theft bolt and nut
Turkey, United Arab Emirates (UAE), Malaysia, Norway ASTM A193 stainless steel SS316 B8 Class 2 B8 Class 2m stud bolt
Europe, United Kingdom -UK, UAE, Malaysia ASTM A193 Gr B8 Class 2 / B8 Class 2A Hex Heavy Structural Bolt
Spain, Egypt, UK, Mexico stainless steel B8 Class 2 B8 Class 2m stud bolt astm a193

 

ASTM A193 B8 Stud Bolts Chemical Properties

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

 

B8 Class 2 bolts Mechanical Properties

Grade
HBW
Tensile ksi, min
Size
HRC
Elong, %, min
Yield, ksi, min
RA % min
B8 Class 2 Class 2
321 max
110
Up to 3/4
35 max
15
95
45
100
7/8 - 1
20
80
45
95
1-1/8 - 1-1/4
25
65
45
90
1-3/8 - 1-1/2
30
50
45