ASTM A320 L7 Stud Bolts
Check A320 L7 Bolt Torque Chart And ASME SA 320 Gr L7 Hex Nuts Tensile Strength.
The ASTM A320 L7 material specifications are used for bolts that have applications in high-temperature environments. The ASTM A320 L7 Stud Bolts come in different classes, each with various stress rupture properties and tensile strength. These are widely used in bolting boilers, pipeline flanges, pressure vessels, etc., and are specially designed for high-temperature services. We are one of the quality manufacturers of ASTM A320 Grade L7 Stud Bolts in India. Our products are reliable, durable, and can last for a lifetime, with low maintenance. We use the best quality of raw materials in the manufacturing process. We also use the latest technologies to ensure the dimensional accuracy and stability of our products. Purchasing ASTM A320 Grade L7 Studs from (Company name), you will get the product at the best rate. We offer our products at a very competitive price in the market.
We are one of the top manufacturers of A320 L7 Socket Head Cap Screws, available in both low head and full head versions. They are primarily used for bolting services in low-temperature environments. Our SA 320 Gr L7 Hex Nuts also possess the correct quantity of elements in their composition, which helps them to have enhanced mechanical properties. These hex nuts are well-known for resisting corrosion. We also produce Grade L7 Threaded Rod, which is made from good quality AISI 4140 alloy steel. They are heat-treated to induce the properties, which will help them to work efficiently in low-temperature services.
We are one of the biggest stockists and suppliers of ASTM A320 L7 Fasteners in India. Our products are exported worldwide and used in different industries for a variety of purposes. We offer timely doorstep deliveries for the convenience of our esteemed clients. Their satisfaction is our priority.
ASTM A320 Grade L7 Stud Bolts
ASTM A320 Grade L7 Studs
A320 L7 Socket Head Cap Screws
SA 320 Gr L7 Hex Nuts
Grade L7 Threaded Rod
Table Of Contents
- A320 L7 Fasteners Material Specification
- ASTM A320 L7 Temperature Range
- ASTM A320 Grade L7 Studs Weight Chart
- ASTM A320 Grade L7 Bolts Dimensions
- SA 320 Gr L7 Hex Nuts Dimensions
- ASTM A320 Grade L7 Stud Bolts Dimensions
- A320 L7 Square Bolts Dimensions
- SA320 L7 Heavy Hex Bolts Dimensions
- Grade L7 Heavy Hex Nuts Dimensions
- SA 320 L7 Socket Head Cap Screw Dimensions
- A320 L7M Stainless Steel Threaded Rod Dimensions
- ASTM A320 Gr L7 Chemical Composition
- A320 L7 Carbon Steel Hex Bolts Mechanical Properties
- ASTM A320 L7 Bolt Torque Chart
- High Tensile A320 Grade L7 Tensile Strength
- ASTM A320 Grade L7 Nuts Size Chart
- ASTM A320 L7 Threaded Rod Size Chart
- ASME A320 Grade L7 Screw Size Chart
- Check Availability Type Of ASTM A320 L7 Stud Bolts
Refer Standard Specification Of SA320 L7 Carbon Steel Threaded Rod And Grade L7 Hex Bots Tensile Strength.
A320 L7 Fasteners Material Specification
| Standard Specification Of | ASTM A320 L7 Stud Bolts |
|---|---|
| Size Type | Diameter 20 to 100 MM / Inches 3/4 to 3.1/2 |
| Surface Finish | Plain / Zinc plated / Hot dip galvanised |
| Surface Coating | Hot Dipped Galvanizing Coated Bolts Phosphate Coated Bolts Zinc Coated Bolts Cadmium Coated Bolts Teflon Coated Bolts Xylon Coated Bolts |
| Melt Origin Country | Korea/ South America/ Japan/ East Europe |
| Standard Dimensions Of | ASME B18.2.1 And ANSI B18.3 |
| ASTM Standard Of Fasteners | ASTM A193 B6: Class 1 & Class 2, DIN 933 / 931, EN 4017/ And 4014, IS 1363 / 1363. |
| Origin Of Product | Rajtilak Metal (Mumbai, India) |
| Additional Requirements Of Nuts Bolts | NACE MR0103 And MR0175 & ISO 15156 |
| Type Of Fasteners | Hex Bolts, Hex Nuts, Screws, Studs, Threaded Rod, Washer |
| Type Of Head | Hex, Threading, Square, Round |
ASTM A320 L7 Temperature Range
| Material | Temperature °c ( °f ) | |
| Minumum | Maximum | |
| Carbon Steel | -29 (-20) | 300 (572) |
| B7, L7 | -73 (-100) | 400 (752) |
| B6 | 0 (32) | 500 (932) |
| B8 | -200 (-325) | 575 (1067) |
| B16 | 0 (32) | 520 (968) |
| B17B | -29 (-20) | 650 (1202) |
| INC 718 | 0 (32) | 750 (1382) |
| 660 | -29 (20) | 538 (1000) |
ASTM A320 Grade L7 Studs Weight Chart
MM (Millimeter) Threads As Per IS 1363/67 |
||||||||||
Weight In Kilogram For 100 NOS |
||||||||||
Length (Millimeter) |
Diameter Of Bolts |
|||||||||
Metric 5 |
Metric 6 |
Metric 8 |
Metric 10 |
Metric 12 |
Metric 14 |
Metric 16 |
Metric 18 |
Metric 20 |
Metric 22 |
|
16 |
0.448 |
0.743 |
1.590 |
3.211 |
|
|
|
|
|
|
20 |
0.598 |
0.812 |
1.711 |
3.411 |
4.892 |
|
|
|
|
|
25 |
0.660 |
0.897 |
1.871 |
3.660 |
5.252 |
8.170 |
|
|
|
|
30 |
0.737 |
1.010 |
2.070 |
3.912 |
5.574 |
9.690 |
10.707 |
|
18.657 |
|
35 |
0.804 |
1.120 |
2.271 |
4.223 |
5.974 |
10.000 |
11.416 |
16.026 |
19.608 |
|
40 |
0.881 |
1.230 |
2.470 |
4.533 |
6.410 |
10.288 |
12.107 |
16.667 |
20.747 |
|
45 |
0.958 |
1.340 |
2.671 |
4.840 |
6.859 |
10.504 |
12.821 |
17.241 |
21.739 |
|
50 |
1.030 |
1.450 |
2.870 |
5.155 |
7.299 |
11.261 |
13.624 |
17.857 |
22.727 |
28.409 |
55 |
|
1.560 |
3.071 |
5.464 |
7.740 |
11.628 |
14.409 |
18.868 |
23.810 |
30.120 |
60 |
|
1.670 |
3.270 |
5.774 |
8.183 |
12.255 |
15.244 |
20.000 |
25.126 |
32.051 |
65 |
|
1.781 |
3.472 |
6.083 |
8.621 |
12.626 |
16.026 |
21.008 |
26.455 |
34.014 |
70 |
|
1.890 |
3.671 |
6.394 |
9.058 |
12.987 |
16.835 |
22.124 |
27.778 |
35.461 |
75 |
|
2.000 |
3.873 |
6.702 |
9.506 |
13.228 |
17.606 |
23.256 |
29.070 |
39.063 |
80 |
|
2.111 |
4.072 |
7.013 |
10.000 |
13.889 |
18.248 |
24.510 |
30.303 |
40.000 |
90 |
|
|
4.472 |
7.634 |
10.917 |
14.925 |
19.841 |
26.042 |
33.113 |
41.667 |
100 |
|
|
4.873 |
8.251 |
11.820 |
16.340 |
21.459 |
27.778 |
35.714 |
46.296 |
110 |
|
|
|
8.881 |
12.723 |
17.730 |
23.041 |
31.250 |
38.168 |
47.170 |
120 |
|
|
|
9.506 |
13.624 |
18.797 |
24.631 |
32.895 |
40.984 |
50.000 |
130 |
|
|
|
10.101 |
14.535 |
20.000 |
26.316 |
34.722 |
43.478 |
52.632 |
140 |
|
|
|
10.707 |
15.432 |
20.833 |
27.933 |
35.461 |
46.296 |
55.556 |
150 |
|
|
|
11.312 |
16.340 |
22.222 |
29.412 |
37.594 |
48.544 |
58.824 |
160 |
|
|
|
11.905 |
17.241 |
24.272 |
31.056 |
40.984 |
50.505 |
61.728 |
170 |
|
|
|
12.500 |
18.116 |
|
32.680 |
|
53.191 |
64.935 |
180 |
|
|
|
13.123 |
19.011 |
26.882 |
34.247 |
|
55.556 |
67.568 |
190 |
|
|
|
13.736 |
19.920 |
|
35.971 |
|
58.140 |
70.423 |
200 |
|
|
|
14.327 |
20.833 |
29.586 |
37.594 |
49.020 |
60.976 |
73.529 |
220 |
|
|
|
15.528 |
22.624 |
|
40.650 |
|
65.789 |
79.365 |
240 |
|
|
|
16.722 |
24.510 |
|
43.860 |
|
71.429 |
84.746 |
250 |
|
|
|
17.301 |
25.381 |
|
45.455 |
|
74.627 |
87.719 |
260 |
|
|
|
17.921 |
26.316 |
|
47.170 |
|
76.923 |
90.909 |
280 |
|
|
|
19.157 |
28.090 |
|
50.505 |
|
81.967 |
98.039 |
300 |
|
|
|
20.325 |
29.940 |
|
53.763 |
|
87.719 |
104.167 |
320 |
|
|
|
|
31.646 |
|
56.818 |
|
92.593 |
|
340 |
|
|
|
|
33.557 |
|
60.241 |
|
98.039 |
|
360 |
|
|
|
|
35.211 |
|
63.291 |
|
104.167 |
|
380 |
|
|
|
|
37.037 |
|
66.667 |
|
108.696 |
|
400 |
|
|
|
|
39.063 |
|
69.444 |
|
113.636 |
|
One of India’s Largest A320 L7 Studs Manufacturer In India And Gr L7 Heavy Hex Bolts Dimensions with Toleranc.
ASTM A320 Grade L7 Bolts Dimensions
| Nominal Size Of D | Diameter Of Body | Head Thickness | Flats Acro | Corners Acro | ||||
|---|---|---|---|---|---|---|---|---|
| D (MAXIMUM) | D (MINIMUM) | H (MAXIMUM) | H (MINIMUM) | F (MAXIMUM) | F (MINIMUM) | C (MAXIMUM) | C (MINIMUM) | |
| 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 |
SA 320 Gr L7 Hex Nuts Dimensions
| Nominal Size Of Thread Diameter | F | G | H | ||||||
| Across Flats Width |
Across Corners Width |
Thickness Row | |||||||
| Basic | Maximum | Minimum | Maximum | Minimum | Basic | Maximum | Minimum | ||
| 1/4 | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
| 5/16 | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
| 3/8 | .3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | .337 | .479 |
| 7/16 | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
| 1/2 | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
| 9/16 | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
| 5/8 | .6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | .559 | .535 |
| 3/4 | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
| 7/8 | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | .887 | .831 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
| 1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2 | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
| 2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
ASTM A320 Grade L7 Stud Bolts Dimensions
| Diameter | ASTM A320 Grade L7 Studs Bolts | |
|---|---|---|
| Plain | ||
| UNC | 8UN | |
| 1/2 | 19568 | - |
| 5/8 | 19569 | - |
| 3/4 | 19570 | |
| 7/8 | 19571 | - |
| 1 | 19572 | - |
| 11/8 | 19573 | 13979 |
| 11/4 | 19574 | 13980 |
| 13/8 | 19656 | 13981 |
| 11/2 | 19657 | 13982 |
| 13/4 | 19658 | 13983 |
| 2 | 19659 | 13984 |
| Available lengths 12 Inch ASME B18.31.3, Also available lengths Dimensions 6 Inch |
||
A320 L7 Square Bolts Dimensions
| Table B3 Dimensions Of Square Bolt |
||||||||
|---|---|---|---|---|---|---|---|---|
| Size Of Bolt | A (maximum) | B | C (minimum) | D | E | F Length Of Thread for Bolt Length |
||
| maximum | minimum | 6 Inch and shorter |
over 6 Inch | |||||
| 1/4" | 0.260 | 3/8 | 0.498 | 11/64 | 0.03 | 0.01 | 0.750 | 1.000 |
| 5/16" | 0.324 | 1/2 | 0.665 | 13/64 | 0.03 | 0.01 | 0.875 | 1.125 |
| 3/8" | 0.388 | 9/16 | 0.747 | 1/4 | 0.03 | 0.01 | 1.000 | 1.250 |
| 7/16" | 0.452 | 5/8 | 0.828 | 19/64 | 0.03 | 0.01 | 1.125 | 1.375 |
| 1/2" | 0.515 | 3/4 | 0.995 | 21/64 | 0.03 | 0.01 | 1.250 | 1.500 |
| 5/8" | 0.642 | 15/16 | 1.244 | 27/64 | 0.06 | 0.02 | 1.500 | 1.750 |
| 3/4" | 0.768 | 1-1/8 | 1.494 | 1/2 | 0.06 | 0.02 | 1.750 | 2.000 |
| 7/8" | 0.895 | 1-5/16 | 1.742 | 19/32 | 0.06 | 0.02 | 2.000 | 2.250 |
| 1" | 1.022 | 1-1/2 | 1.991 | 21/32 | 0.09 | 0.03 | 2.250 | 2.500 |
| 1-1/8" | 1.149 | 1-11/16 | 2.239 | 3/4 | 0.09 | 0.03 | 2.500 | 2.750 |
| 1-1/4" | 1.277 | 1-7/8 | 2.489 | 27/32 | 0.09 | 0.03 | 2.750 | 3.000 |
| 1-3/8" | 1.404 | 2-1/16 | 2.738 | 29/32 | 0.09 | 0.03 | 3.000 | 3.250 |
| 1-1/2" | 1.531 | 2-1/4 | 2.986 | 1 | 0.09 | 0.03 | 3.250 | 3.500 |
SA320 L7 Heavy Hex Bolts Dimensions
| Nominal Size Of D | Diameter Of Body | Thickness Of Head | Flats Across | Bolts Corners Across | ||||
|---|---|---|---|---|---|---|---|---|
| D (Maximum) | D (Minimum) | H (Maximum) | H (Minimum) | F (Maximum) | F (Minimum) | C (Maximum) | C (Minimum) | |
| 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 |
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Grade L7 Heavy Hex Nuts Dimensions
Nominal Size For Thread Diameter |
F |
G |
H |
||||||
Width Of Across Flats |
Width Of Across Corners |
Thickness Table |
|||||||
Basic |
Maximum |
Minimum |
Maximum |
Minimum |
Basic |
Maximum |
Minimum |
||
1/4 |
.2500 |
7/16 |
.438 |
.428 |
.505 |
.488 |
7/32 |
.226 |
.212 |
5/16 |
.3125 |
1/2 |
.500 |
.489 |
.577 |
.557 |
17/64 |
.273 |
.258 |
3/8 |
.3750 |
9/16 |
.562 |
.551 |
.650 |
.628 |
21/64 |
.337 |
.479 |
7/16 |
.4375 |
11/16 |
.688 |
.675 |
.794 |
.768 |
3/8 |
.385 |
.365 |
1/2 |
.5000 |
3/4 |
.750 |
.736 |
.866 |
.840 |
7/16 |
.448 |
.427 |
9/16 |
.5625 |
7/8 |
.875 |
.861 |
1.010 |
.982 |
31/64 |
.496 |
.473 |
5/8 |
.6250 |
15/16 |
.938 |
.922 |
1.083 |
1.051 |
35/64 |
.559 |
.535 |
3/4 |
.7500 |
1-1/8 |
1.125 |
1.088 |
1.299 |
1.240 |
41/64 |
.665 |
.617 |
7/8 |
.8750 |
1-5/16 |
1.312 |
1.269 |
1.516 |
1.447 |
3/4 |
.776 |
.724 |
1 |
1.0000 |
1-1/2 |
1.500 |
1.450 |
1.732 |
1.653 |
55/64 |
.887 |
.831 |
1-1/8 |
1.1250 |
1-11/16 |
1.688 |
1.631 |
1.949 |
1.859 |
31/32 |
.999 |
.939 |
1-3/8 |
1.3750 |
2-1/16 |
2.062 |
1.994 |
2.382 |
2.273 |
1-11/64 |
1.206 |
1.138 |
1-1/2 |
1.500 |
2-1/4 |
2.250 |
2.175 |
2.598 |
2.480 |
1-9/32 |
1.ASTM A194 GR. 8 |
1.245 |
1-5/8 |
1.6250 |
2-7/16 |
2.438 |
2.356 |
2.815 |
2.686 |
1-25/64 |
1.429 |
1.353 |
1-3/4 |
1.7500 |
2-5/8 |
2.625 |
2.538 |
3.031 |
2.893 |
1-1/2 |
1.540 |
1.460 |
2 |
2.0000 |
3 |
3.000 |
2.900 |
3.464 |
3.306 |
1-23/32 |
1.763 |
1.675 |
2-1/4 |
2.2500 |
3-3/8 |
3.375 |
3.263 |
3.897 |
3.719 |
1-15/16 |
1.986 |
1.890 |
2-1/2 |
2.5000 |
3-3/4 |
3.750 |
3.625 |
4.330 |
4.133 |
2-5/32 |
2.209 |
2.105 |
2-3/4 |
2.7500 |
4-1/8 |
4.125 |
3.988 |
4.763 |
4.546 |
2-3/8 |
2.431 |
2.319 |
SA 320 L7 Socket Head Cap Screw Dimensions
Nominal Size Of D |
Diameter Of Body |
Thickness Of Head |
Flats Across |
Bolts Corners Across |
||||
|---|---|---|---|---|---|---|---|---|
D (Maximum) |
D (Minimum) |
H (Maximum) |
H (Minimum) |
F (Maximum) |
F (Minimum) |
C (Maximum) |
C (Minimum) |
|
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 |
A320 L7M Stainless Steel Threaded Rod Dimensions
| D | P |
D
|
P |
|---|---|---|---|
| M2 | 0.4 | M20 | 1.5/2.5 |
| M2.5 | 0.45 | M22 | 1.5/2.5 |
| M3 | 0.5 | M24 | 2/3 |
| M3.5 | 0.6 | M27 | 2/3 |
| M4 | 0.7 | M30 | 2/3.5 |
| M5 | 0.8 | M33 | 2/3.5 |
| M6 | 1 | M36 | 3/4 |
| M8 | 1/1.25 | M39 | 3/4 |
| M10 | 1/1.25/1.5 | M42 | 3/4.5 |
| M12 | 1.25/1.5/1.75 | M45 | 3/4.5 |
| M14 | 1.5/2 | M48 | 3/5 |
| M16 | 1.5/2 | M52 | 3/5 |
| M18 | 1.5/2.5 |
Check Availability Of A320 L7M Stainless Steel Flat Washer And Get Instant Delivery Of ASTM A320 L7M Self Locking Nuts In India.
ASTM A320 Gr L7 Chemical Composition
Element |
ASTM A320 L7 Stud Bolts |
ASTM A320 L43 (AISI 4340) |
ASTM A320 B8 (AISI 304) |
ASTM A320 B8M (AISI 316) |
|---|---|---|---|---|
Carbon |
0.37 - 0.49% |
0.38 - 0.43% |
0.08% maximum |
0.08% maximum |
Manganese |
0.65 - 1.10% |
0.75 - 1.00% |
2.00% maximum |
2.00% maximum |
Phosphorus, maximum |
0.035% |
0.035% |
0.045% |
0.045% |
Sulfur, maximum |
0.040% |
0.040% |
0.030% |
0.030% |
Silicon |
0.15 - 0.35% |
0.15 - 0.35% |
1.00% maximum |
1.00% maximum |
Chromium |
0.75 - 1.20% |
0.70 - 0.90% |
18.0 - 20.0% |
16.0 - 18.0% |
Nickel |
1.65 - 2.00% |
8.0 - 11.0% |
10.0 - 14.0% |
|
Molybdenum |
0.15 - 0.25% |
0.02 - 0.30% |
2.00 - 3.00% |
A320 L7 Carbon Steel Hex Bolts Mechanical Properties
Grade |
Size |
Tensile Stress, ksi, minimum |
Yield Stress, ksi, minimum |
Elong, %, minimum |
RA % minimum |
Charpy Impact 20-ft-lbf @ temp |
|---|---|---|---|---|---|---|
ASTM A320 L7 Stud Bolts |
Up to 2-1/2 |
125 |
105 |
16 |
50 |
-150° F |
L43 |
Up to 4 |
125 |
105 |
16 |
50 |
-150° F |
B8 Class 1 |
All |
75 |
30 |
30 |
50 |
N/A |
B8 Class 2 |
Up to 3/4 |
125 |
100 |
12 |
35 |
N/A |
7/8 - 1 |
115 |
80 |
15 |
35 |
N/A |
|
1-1/8 - 1-1/4 |
105 |
65 |
20 |
35 |
N/A |
|
1-3/8 - 1-1/2 |
100 |
50 |
28 |
45 |
N/A |
|
B8M Class 1 |
All |
75 |
30 |
30 |
50 |
N/A |
B8M Class 2 |
Up to 3/4 |
110 |
95 |
15 |
45 |
N/A |
7/8 - 1 |
100 |
80 |
20 |
45 |
N/A |
|
1-1/8 - 1-1/4 |
95 |
65 |
25 |
45 |
N/A |
|
1-3/8 - 1-1/2 |
90 |
50 |
30 |
45 |
N/A |
ASTM A320 L7 Bolt Torque Chart
| BOLT DIAMETER |
Torque FT-LBS | ||
| Torque Initial Of 30% | Torque Initial Of 70% | Torque Initial Of 100% | |
| 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 |
High Tensile A320 Grade L7 Tensile Strength
| Size Of Metric | A1/ A2/ A4-50 (N) | A1/ A2/ A4-70 (N) | A1/ A2/ A4-80 (N) |
|---|---|---|---|
| Metric 3 | 2515 | 3521 | 4024 |
| Metric 3.5 | 3390 | 4646 | 5424 |
| Metric 4 | 4390 | 6146 | 7024 |
| Metric 5 | 7100 | 9940 | 11360 |
| Metric 6 | 10050 | 14070 | 16080 |
| Metric 7 | 14450 | 20230 | 23120 |
| Metric 8 | 18300 | 25620 | 29280 |
| Metric 10 | 29000 | 40600 | 46400 |
| Metric 12 | 42150 | 59010 | 67440 |
| Metric 14 | 57500 | 80500 | 92000 |
| Metric 16 | 78500 | 109900 | 125600 |
| Metric 18 | 96000 | 134400 | 153600 |
| Metric 20 | 122500 | 171500 | 196000 |
| Metric 22 | 151500 | 212100 | 242400 |
| Metric 24 | 176500 | 247100 | 282400 |
| Metric 27 | 229500 | 321300 | 367200 |
| Metric 30 | 280500 | 392700 | 448800 |
| Metric 33 | 408500 | 571900 | 653600 |
| Metric 36 | 408500 | 571900 | 653600 |
| Metric 39 | 488000 | 683200 | 780800 |
ASTM A320 Grade L7 Nuts Size Chart
Size Of Nut (millimeter) |
Diameter Of (millimeter) |
Height Table (millimeter) |
||
|---|---|---|---|---|
Hex Nut |
Jam Nut |
Nylock Nut |
||
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 |
ASTM A320 L7 Threaded Rod Size Chart
|
Size Table Of ASTM A320 L7 Threaded Rod
|
per Inch Threads
|
||
|---|---|---|---|
|
Frac. [Number]
|
Decimal
|
UNC
|
UNF
|
|
1/8 [#6]
|
0.1380
|
32
|
40
|
|
5/32 [#8]
|
0.1640
|
32
|
36
|
|
3/16 [#10]
|
0.1900
|
24
|
32
|
|
1/4
|
0.2500
|
20
|
28
|
|
5/16
|
0.3125
|
18
|
24
|
|
3/8
|
0.3750
|
16
|
24
|
|
7/16
|
0.4375
|
14
|
20
|
|
1/2
|
0.5000
|
13
|
20
|
|
9/16
|
0.5625
|
12
|
18
|
|
5/8
|
0.6250
|
11
|
18
|
|
3/4
|
0.7500
|
10
|
16
|
|
7/8
|
0.8750
|
9
|
14
|
|
1
|
1.0000
|
8
|
12, 14
|
|
1 1/8
|
1.1250
|
7
|
12
|
|
1 1/4
|
1.2500
|
7
|
12
|
|
1 3/8
|
1.3750
|
6
|
12
|
|
1 1/2
|
1.5000
|
6
|
12
|
|
1 3/4
|
1.7500
|
5
|
–
|
ASME A320 Grade L7 Screw Size Chart
Check Availability Type Of ASTM A320 L7 Stud Bolts
SA 320 Gr L7 Belleville Washers
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Grade L7 Eye Screws
High Tensile A320 Grade L7 Anchor Bolts
ASME SA 320 Gr L7 Hex Bolts
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Stainless Steel Grade L7 Carriage Bolts
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ANSI Grade L7 Lock Nut
A320 L7 Heavy Hex Nuts
ASTM A320 L7 Eye Nuts
Locations we have supplied recently
| ASTM A320 L7 Stud Bolts | South Africa, Bahrain, Singapore |
| ASME SA 320 gr L7 Hex Bolts | France, Thailand, Europe, Qatar |
| A320 L7 Studs | Philippines, Nigeria, Australia, UK |
| ASTM A320 Grade L7 Stud Bolts | Oman, Malaysia, Hong Kong, UAE |
| ASTM A320 Grade L7 Bolts | Finland, Malaysia, USA, Bangladesh |
| A320 L7 Socket Head Cap Screws | Italy, Iran, Chile, Singapore |
| SA 320 Gr L7 Hex Nuts | United Arab Emirates (UAE), Norway, Malaysia, Turkey |
| Grade L7 Threaded Rod | Dammam -KSA, Indonesia, Belgium, Philippines. |
| SA320 L7 Carbon Steel Threaded Rod | Canada, Singapore, Malaysia, Philippines |
| Grade L7 Hex Bots | Egypt, Spain, UK, Mexico |
| Gr L7 Heavy Hex Bolts | Ellington -United States, Poland, Canada, UK |
| SA 320 L7 Flange Bolts | United Kingdom -UK, Europe, UAE, Malaysia |
| A320 L7 Coupling Nuts | Japan, Europe, Romania, Malaysia |
| A320 L7M Stainless Steel Flat Washer | Germany, Czechia, Malaysia, Thailand |
| ASTM A320 L7M Self Locking Nuts | Colombia, Malaysia, Sweden, China |