There are a variety of bolts with different grades available in the market. Ones made with austenitic steel display excellent mechanical strength as well as display resistance to corrosion. ASTM A193 Grade B8T Bolts work well in high temperature environment due to the grade of alloy that has been used in making it.
Conventional alloys display intergranular corrosion which is eliminated in B8T Fasteners. Due to this the creep and rupture properties of Stainless Steel ASTM A193 Grade B8T Plain Washer are higher as compared to bolts made up of conventional alloys.
Furthermore, Stainless Steel ASTM A193 Grade B8T Foundation Bolts display excellent mechanical properties when exposed to high temperatures. They are cold worked in order to harden the material and strengthen it. Since any sort of heat treatment does not cause the ASTM A193 Grade B8T Threaded Stud to harden.
These bolts are made up of an alloy that has titanium carbide which minimizes the intergranular corrosion in SS ASTM A193 Grade B8T Structural Bolts and stabilizes it. They are used in applications like non-metal flangs like PVC flanges, FRP flanges, and CPVC flanges. Furthermore, cryogenic applications also use these bolts. They are typically used in air-sep and related fields.
We at Siddhagiri Metal are one of the well-known manufacturers of ASTM A193 Grade B8T Fasteners. The bolts that we produce are well known for their sturdy body and seamless finish. The Grade B8T Stud Bolts supplied by us have outstanding forming and welding features. Stainless Steel ASTM A193 Grade B8T Hexagon Nut also resists pitting and crevice corrosion in a Chloride environment.
Table of Content
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
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 |
ASTM A193 B8T Bolts Price List | Price Per Pcs. |
---|---|
ASTM A193 B8T Hex head bolts price in india | USD $6.00 |
Grade | C | Mn | Si | P | S | Ni | Cr | Mo |
B8T (AISI 321) | 0.08% max | 2.00% max | 1.00% max | 0.045% | 0.030% | 10.0 - 14.0% | 16.0 - 18.0% | 2.00 - 3.00% |
Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
B8T | All | 75 | 30 | 30 | 50 |
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNESS |
ACROSS THE FLATS |
ACROSS BOLTS 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 |
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. |
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 |
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 |
1.1/8 |
127 |
297 |
424 |
1.1/4 |
179 |
417 |
596 |
1.3/8 |
186 |
435 |
622 |
1.1/2 |
246 |
574 |
821 |
1.9/16 |
168 |
392 |
560 |
1.5/8 |
191 |
445 |
636 |
1.3/4 |
240 |
561 |
801 |
1.7/8 |
298 |
696 |
994 |
2 |
366 |
853 |
1219 |
2.1/4 |
529 |
1234 |
1762 |
2.1/2 |
733 |
1709 |
2442 |
2.3/4 |
986 |
2300 |
3285 |
3 |
1289 |
3008 |
4297 |