
Asme Sa 193 Gr B8 Cl2 Stud manufacturer in india guaranteed best price in india
ASTM A193 Grade B8 Class 2 Bolts are high strength fasteners that are used in various industrial applications. [Company Name] is a leading manufacturer of the different types of the B8 fasteners. There are two classes. The ASME SA193 Grade B8 Class 2 Bolts are strain hardened and are used in high stress applications such as petroleum, oil and gas, chemical and construction applications.
The fasteners are made up of 304 austenitic stainless steel grade material. The B8 Class 2 Stud and other fasteners have minimum tensile strength ranging from 75ksi to 125ksi depending on the different sizes. The smaller sizes usually have high strength. The astm a193 b8 class 2 torque chart provides the different strength and capacities of different types, shapes and sizes of the different fasteners in this grade. There are different types such as threaded rods, screws, washers and others. The ASTM A193 B8 Cl2 has good general corrosion resistance.
The material is also one of the most used because of the low cost of the material. It is the most used because of the balanced ductility, strength and corrosion resistance. The ASTM A193 B8 Class 2 Fasteners can be seen in domestic, industrial and commercial applications such as water supply, chemical, petroleum, power plant, heat exchanger and many other applications. Please feel free to contact us for more information on the different types such as the A193 B8 Class 2 Stud Bolts and others.
ASTM A193 B8 Class 2 Fasteners |
Price |
A193 B8 Class 2 B8 Class 2M(A) Stainless Steel ANSI Hex Heavy Bolt |
US$ 0.001-US$ 0.05 / Piece |
ASTM A193 Gr B8 Class 2 / B8 Class 2A Hex Heavy Structural Bolt |
US$ 0.012-US$ 0.05 / Piece |
Standard size a193 B8 Class 2 a194 8 stud bolt and nut |
US$ 0.01 / Piece |
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 |
TORQUE NM - ASTM A193 GRADE B8 Class 2 STUD BOLTS |
|||
BOLT DIA |
TORQUE NM |
||
30% Initial Torque |
70% Torque |
100% Final Torque |
|
1/2 |
22 |
49 |
71 |
9/16 |
31 |
72 |
102 |
5/8 |
42 |
99 |
141 |
3/4 |
75 |
175 |
249 |
7/8 |
96 |
225 |
321 |
1 |
145 |
338 |
483 |
1⅛ |
172 |
403 |
575 |
1¼ |
243 |
565 |
808 |
1⅜ |
252 |
590 |
843 |
1½ |
334 |
778 |
1113 |
19/16 |
228 |
531 |
759 |
1⅝ |
259 |
603 |
862 |
1¾ |
325 |
761 |
1086 |
1⅞ |
404 |
944 |
1348 |
2 |
496 |
1157 |
1653 |
2¼ |
717 |
1673 |
2389 |
2½ |
994 |
2317 |
3311 |
2¾ |
1337 |
3118 |
4454 |
3 |
1748 |
4078 |
5826 |
TABLE 1 / TORQUE NM - ASTM A193 AND ASTM A320 GRADE B8, CL2 STUD BOLTS |
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. |
Standards |
Designation |
---|---|
ASTM |
A193 B8 Class 2: Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened |
Threads Configuration |
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
---|---|
Melt Origin |
South America/East Europe/JapanKorea/ |
Dimensions |
ASME B18.2.1, B18.3 |
Product Origin |
Made in India |
Certification |
Dual Certified As per ASTM & ASME Codes |
Mandatory Requirements |
Free from Mercury & Radioactive Contamination |
Additional Certifications |
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
Additional Requirements |
NACE MR0103 / MR0175 / ISO 15156 Compliance |
Renowned suppliers of ASTM A193 B8 Class 2 Fasteners, See B8 CL2 Torque & Yield Strength
We stock and produce A193 B8 Class 2 Stud Bolts in various size, check a193 b8 class 1 vs class 2
ASTM A193 Grand B8 Class 2 Stud Bolt |
ASTM A193 B8 Class 2 Stud Bolts |
Stainless Steel B8 Class 2 Threaded Rod |
B8 Class 2 Hanger Bolt |
SS B8 Class 2 Step Bolt |
ASTM A 193 B8 Class 2 Stud Bolt |
ISO Approved ASTM A193 U Bolts |
Stainless Steel B8 Class 2 Studs |
ASTM A 193 Tie Rod |
ASTM A193 stud bolts |
ASTM A 193 B8 Class 2 Heavy Hex Bolts |
A193 B8 Class 2 Hex Nut |
Stainless Steel B8 Class 2 Draw Bolt |
B8 Class 2 Grub Screw |
B8 Class 2 Stainless Steel Stud bolts |
ASTM A 193 B8 Class 2 Studs |
ASTM A193 B8 Class 2 Anchor Bolt |
B8 Class 2 Shoulder Bolt |
ASTM A 193 B8 Class 2 Lag Bolt |
ASTM A193 B8 Class 2 Stud Bolts |
ASTM A 193 Eye Bolt |
SS B8 Class 2 Plow Bolt |
ASTM A193 And ASTM A320 Grade B8 Cl2 Stud Bolts |
A320 Gr B8 Class 2 |
ASTM A193 B8 Cl2 |
ASTM A193 B8 Cl1 |
SA193 Nuts |
ASTM A193 J Bolt |
ASTM A320 B8 Cl2 |
ASTM A320 Gr.B8 Cl.2 |

**All measurements in millimeters**
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNEASTM A193 |
ACROASTM A193 THE FLATS |
ACROASTM A193 CORNERS |
||||
---|---|---|---|---|---|---|---|---|
D (MAX) |
D (MIN) |
H (MAX) |
H (MIN) |
F (MAX) |
F (MIN) |
C (MAX) |
C (MIN) |
|
m10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
m12 |
12.00 |
11.73 |
7.76 |
4.24 |
19.00 |
17.73 |
20.78 |
20.03 |
m14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
m16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
m24 |
24.00 |
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
m30 |
30.00 |
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
m36 |
36.00 |
35.61 |
23.38 |
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
m42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71 |
m48 |
48.00 |
47.38 |
31.07 |
28.93 |
75.00 |
72.60 |
86.60 |
82.76 |
m56 |
56.00 |
55.26 |
36.2 |
33.80 |
85.00 |
82.20 |
98.15 |
93.71 |
m64 |
64.00 |
63.26 |
41.32 |
38.68 |
95.00 |
91.80 |
109.70 |
104.65 |
m72 |
72.00 |
71.26 |
46.45 |
43.55 |
105.00 |
101.40 |
121.24 |
115.60 |
m80 |
80.00 |
79.26 |
51.58 |
48.42 |
115.00 |
111.00 |
132.72 |
126.54 |
m90 |
90.00 |
89.13 |
57.74 |
54.26 |
130.00 |
125.50 |
150.11 |
143.07 |
m100 |
90.00 |
99.13 |
63.9 |
60.10 |
145.00 |
140.00 |
167.43 |
159.60 |
we maintain A193 B8 Cl2 Strain Hardened Studs in ready stock, see A193 B8 Class 2 Material Equivalent
Tensile Class | Diameter, Inch | Tensile Strength, min, ksi |
Yield Strength, min, 0.2% offset, ksi |
Elongation in 4D, min, % |
Reduction of Area, min, % |
Hardness, max |
---|---|---|---|---|---|---|
Class 2B,C |
3/4 and under | 125 | 100 | 12 | 35 | 321 HBW or 35 HRC |
over 3/4 to 1 inclusive | 115 | 80 | 15 | 35 | ||
over 1 to 1-1/4 inclusive | 105 | 65 | 20 | 35 | ||
over 1-1/4 to 1-1/2 inclusive | 100 | 50 | 28 | 50 |
B: Carbide Solution Treated and Strain Hardened
C: For diameters 11⁄2 and over, center (core) properties may be lower than indicated by test reports which are based on values determined at 1⁄2 radius.
Element | Austenitic Stainless Steel |
---|---|
AISI 304 / 304L | |
CompositionA, % | |
Carbon | 0.08 max |
Manganese | 2.00 |
Phosphorus | 0.045 max |
Sulfur | 0.030 max |
Silicon | 1.00 max |
Chromium | 18.00 - 20.00 |
Nickel | 8.00 - 11.00 |
AThe intentional addition of Bi, Se, Te, and Pb is not permitted.
Nut Specification | Washer Specification |
---|---|
ASTM A194 Grade 8 | ASTM A240 TP304 |
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