ASTM A307 Bolts Manufacturer
Specification
CHEMICAL & MECHANICAL COMPOSITION
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ASME SA307 Grade B Hex Bolt and ASTM A307 Threaded Rod manufacturer in India
Buy directly from ASTM A307 Grade B Bolts manufacturers in India, select your size from our online inventory of A307a Carbon Steel Anchor Bolts and Stud Bolt
Detailed Information
Prashaant Steel & Alloys specializes in manufacturing large caliber ASTM A307 Bolts. Among others, the ASTM A307 Bolts we make are common thanks to their superlative quality. At Prashaant Steel & Alloys Building, we are a well-equipped manufacturing facility with state-of-the-art technologies that enable us to produce industry-appreciated ASTM A307 Bolts. At Prashaant Steel & Alloys, we believe in consumer service and so we aim to fulfill our customers’ price and quantity demands and aspirations. Our massive inventory helps deliver bulk orders to our customers in no time. We market our products to various countries around the world and store our ASTM A307 Bolts in appropriate wooden boxes to avoid any damage to our product while shipping. We also include all the documents you require with our packaging. Some of the documents that we provide with our ASTM A307 Bolts are raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc.
ASTM A307 specification covers the chemical and mechanical requirements for three grades (Grades A, B, and C) of carbon steel bolts, studs, threaded rods with minimum tensile requirement of 60 ksi. However Grade C has been replaced by ASTM F1554 Grade 36 Specification. A307 specification does not cover the requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors, or other similar externally threaded fasteners. When tested, sampled specimens shall adhere to specified values for chemical composition, hardness, tensile strength, yield point, elongation, and dimensions.
ASTM A307 Bolts Specifications
Exporter and supplier of M1 to M30 Metric Size SA 307 Grade B Flange Bolts in India, best price of ASTM A307 Grade A/ B/ C Hex Head Bolt and A307 All Thread Fasteners in Mumbai
| ASTM A307 Grade B Heavy Hex Bolts Sizes |
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| ISO 4014 Grade A & B Heavy Hex Bolt |
|
| ISO 4017 Grade A & B Heavy Hex Screw |
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| Standard |
Manufacturer of ASTM A307 Bolts as per BS, PN, CSN, ASTM, ISO, ANSI, ASME, IS, GB, DIN, JIS, IFI, UNI, EU, and all International Standards
|
| ASTM A307 Bolts Length | 3 mm to 200 mm |
| Standard Thread Lengths |
|
| Carbon Steel A307 Gr B Bolts & Screws US Threads | UNK, Unified national fine (UNF), UNJC, Unified National Coarse (UNC), Constant-pitch threads, BSW, METRIC, BSF, UNR, UNJF, Unified national extra fine (UNEF) |
| ASTM A307 Bolts Head drive | Phillips/Slot, Phillips, Slotted, and Six-Lobe, etc |
| Material Origin | ASTM A307 Bolts are Western European. Eastern origin possible on request. |
| ASTM A307 Nut Bolt Surface Finish & Coating |
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| MOQ | 5 pieces |
| ASTM A307 Grade A Fasteners types | Socket Hexagon Head Screw, Nut, Hexagon Nut, Screws, Pan Head Screw, Studs, Anchors, U Bolts, Washers, Structural Bolts, Spring Washers, Cap Screw, Square Nut, Sockets, Nuts, Hex Set Screw, Socket Screw, Wing Screw, Hex Head Bolts, T-Head Bolts, Wing Screw, Mushroom Head Square Neck Bolts, Hex Domed Cap Nuts, Foundation Bolts, Socket Head Cap Screw, J Bolts, Screw, Bolts, Eye Bolt, Stud Bolts, Hex Coupling Nut, Studs, Anchor Bolt, Machine Screw, Hex Nut, Allen Cap screw, Marine Anchors, |
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Chemical Composition Of Carbon Steel ASTM A307 Hex Bolts
| Element | A307 Grade A | A307 Grade B | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Carbon, maximum | 0.29% | 0.29% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manganese, maximum | 1.20% | 1.20% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Phosphorus, maximum | 0.04% | 0.04% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sulfur, maximum | 0.15% | 0.05% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A307 Grade A |
60 min |
– |
18 |
|
A307 Grade B |
60 – 100 |
– |
18 |
|
A307 Grade C |
58 – 80 |
36 |
23 |
A307 Grade B Hex Nuts Dimensions
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ISO Carbon Steel ASTM A307 Hex Nut NB |
Across Corners |
MAX Thickness |
MIN Thickness |
MAX Across Flats |
MIN Across Flats |
|
M 8 |
14.38 |
6.8 |
6.44 |
13 |
12.73 |
|
M 10 |
17.77 |
8.4 |
8.04 |
16 |
15.73 |
|
M 12 |
20.03 |
10.8 |
10.37 |
18 |
17.73 |
|
M 14 |
23.35 |
12.8 |
12.1 |
21 |
20.67 |
|
M 16 |
26.75 |
14.8 |
14.1 |
24 |
23.67 |
|
M 18 |
29.56 |
15.8 |
15.1 |
27 |
26.16 |
|
M 20 |
32.95 |
18 |
16.9 |
30 |
29.16 |
|
M 22 |
37.29 |
19.4 |
18.1 |
34 |
33 |
|
M 24 |
39.55 |
21.5 |
20.2 |
36 |
35 |
|
M 27 |
45.2 |
23.8 |
22.5 |
41 |
40 |
|
M 30 |
50.85 |
26.6 |
24.3 |
46 |
45 |
|
M 33 |
55.37 |
28.7 |
27.4 |
50 |
49 |
|
M 36 |
60.79 |
31 |
29.4 |
55 |
53.8 |
|
M 39 |
66.44 |
33.4 |
31.8 |
60 |
58.8 |
|
M 42 |
71.3 |
34 |
32.4 |
65 |
63.1 |
|
M 45 |
76.95 |
36 |
34.4 |
70 |
68.1 |
|
M 48 |
82.6 |
38 |
39.4 |
75 |
73.1 |
|
M 52 |
88.25 |
42 |
40.4 |
80 |
78.1 |
|
M 56 |
93.56 |
45 |
43.4 |
85 |
82.8 |
|
M 60 |
99.21 |
48 |
46.4 |
90 |
87.8 |
|
M 64 |
104.86 |
51 |
49.1 |
95 |
92.8 |
|
M 68 |
110.51 |
54 |
52.1 |
100 |
97.8 |
|
M 72 x 6 |
116.16 |
58 |
56.1 |
105 |
102.8 |
|
M 76 x 6 |
121.81 |
61 |
59.1 |
110 |
107.8 |
|
M 80 x 6 |
127.46 |
64 |
62.1 |
115 |
112.8 |
Carbon Steel A307 Gr B Washer Sizes
|
Carbon Steel ASTM A307 SAE Flat Washers |
|||
|
Size |
Inside Diameter |
Outside Diameter |
Thickness |
|
#2 |
3/32″ |
1/4″ |
.020″ |
|
#4 |
1/8″ |
5/16″ |
1/32″ |
|
#6 |
5/32″ |
3/8″ |
3/64″ |
|
#8 |
3/16″ |
7/16″ |
3/64″ |
|
#10 |
7/32″ |
1/2″ |
3/64″ |
|
1/4 |
9/32″ |
5/8″ |
1/16″ |
|
5/16 |
11/32″ |
11/16″ |
1/16″ |
|
3/8 |
13/32″ |
13/16″ |
1/16″ |
|
7/16 |
15/32″ |
59/64″ |
1/16″ |
|
1/2 |
17/32″ |
1-1/16″ |
3/32″ |
|
9/16 |
19/32″ |
1-3/16″ |
3/32″ |
|
5/8 |
21/32″ |
1-5/16″ |
3/32″ |
|
3/4 |
13/16″ |
1-1/2″ |
9/64″ |
|
7/8 |
15/16″ |
1-3/4″ |
9/64″ |
|
1″ |
1-1/16″ |
2″ |
9/64″ |
|
1-1/8 |
1-3/16″ |
2-1/4″ |
9/64″ |
|
1-1/4 |
1-5/16″ |
2-1/2″ |
5/32″ |
|
1-1/2 |
1-7/16″ |
3″ |
3/16″ |
|
1-5/8 |
1-3/4″ |
3-3/4″ |
3/16″ |
|
1-3/4 |
1-7/8″ |
4″ |
3/16″ |
|
2 |
2-1/8″ |
4-1/2″ |
3/16″ |
ASTM A307 Grade B Bolt Torque
|
Bolt Size |
TPI |
Proof |
Clamp |
Tightening Torque (ft lbs) |
||
|
Proof Load (lbs) |
Clamp Load (lbs) |
Galv+Waxed |
Galv |
Plain |
||
|
1⁄4 |
20 |
1145 |
859 |
2 |
4 |
4 |
|
5⁄16 |
18 |
1886 |
1415 |
4 |
9 |
7 |
|
3⁄8 |
16 |
2790 |
2093 |
7 |
16 |
13 |
|
7⁄16 |
14 |
3827 |
2870 |
10 |
26 |
21 |
|
1⁄2 |
13 |
5108 |
3831 |
16 |
40 |
32 |
|
9⁄16 |
12 |
6552 |
4914 |
23 |
58 |
46 |
|
5⁄8 |
11 |
8136 |
6102 |
32 |
79 |
64 |
|
3⁄4 |
10 |
12024 |
9018 |
56 |
141 |
113 |
|
7⁄8 |
9 |
15200 |
11400 |
83 |
208 |
166 |
|
1 |
8 |
20000 |
15000 |
125 |
313 |
250 |
|
11⁄8 |
7 |
25200 |
18900 |
177 |
443 |
354 |
|
11⁄4 |
7 |
32000 |
24000 |
250 |
625 |
500 |
|
13⁄8 |
6 |
38100 |
28575 |
327 |
819 |
655 |
|
11⁄2 |
6 |
46400 |
34800 |
435 |
1088 |
870 |
|
13⁄4 |
5 |
68400 |
51300 |
748 |
1870 |
1496 |
|
2 |
41⁄2 |
90000 |
67500 |
1125 |
2813 |
2250 |
|
21⁄4 |
41⁄2 |
117000 |
87750 |
1645 |
4113 |
3291 |
|
21⁄2 |
4 |
144000 |
108000 |
2250 |
5625 |
4500 |
|
23⁄4 |
4 |
177480 |
133110 |
3050 |
7626 |
6101 |
|
3 |
4 |
214920 |
161190 |
4030 |
10074 |
8060 |
|
31⁄4 |
4 |
255600 |
191700 |
5192 |
12980 |
10384 |
|
31⁄2 |
4 |
299880 |
224910 |
6560 |
16400 |
13120 |
|
33⁄4 |
4 |
347760 |
260820 |
8151 |
20377 |
16301 |
|
4 |
4 |
398880 |
299160 |
9972 |
24930 |
19944 |
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