ASTM A320 Bolts and Nuts
ASTM A320 L7 Stud Bolts Supplier in India
Astm A320 Bolt
Astm A320 Stud Bolt
A320 L7 Bolts
Astm A320 L7 Stud
Check Astm A320 Stud Bolt and A320 L7m Hex Bolt Specifications & price List
Specification Of Astm A320 Bolt
Standards |
Designation |
|---|---|
| ASTM | A320 : Grade L7M, L7, B8, B8M |
| Thread Requirements of Astm A320 Bolts | UNC & UNF, ASME B1.1, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Astm A320 Bolts Manufacturing Process | Cold Heading, Wire Drawing, Heat Treatment, Insert tapping, Inspection, Surface Plating, Packing |
| Astm A320 Bolts Delivery time | custom product will according to special requirement, Regular product is about 7-15 days |
| ASTM A320 L7M Bolts Coatings | Cadmium, Black Oxide, Teflon, Galvanized, Zinc, Xylan, Others Upon Request |
| Astm A320 Bolts Head | Square, Hex, Hex flange, Round, T-head, Flat & Triangular etc |
| ASTM A320 L7M Bolts Neck type | Square, Hex, Oval, Triangular & Knurled etc |
Astm A320 Bolts Dimensions |
ASME B18.3, B18.2.1 |
Melt Origin |
South America/East Europe/Japan/Korea |
Product Origin |
Made in India |
Astm A320 Bolts Threads Configuration |
B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads |
Astm A320 Bolts Certification |
Dual Certified As per ASME & ASTM Codes |
Additional Certifications |
Merkblatt AD 2000 W2 Certified, PED 97/23/EC Certified |
Mandatory Requirements |
Free from Radioactive & Mercury Contamination |
Additional Requirements |
NACE MR0175 / MR0103 /ISO 15156 Compliance |
List Of A320 L7m Hex Bolt Types
Manufacturer and supplier of Astm A320 Stud Bolt, view various sizes and Price in India
Astm A320 Grade L7 Bolts
A320 L7m Hex Bolt
Astm A320 L7m Nuts
L7 Bolts
A320 Gr L7 Heavy Hex Bolts
Sa 320 Gr L7 Hex Bolts
Sa 320 L7 Bolts
Astm A320 Grade L7 Hex Head Nuts
A320 Gr B8 Class 1 Flange Bolts
ASTM A320 Gr L7 Eye Bolts
SA320 Wing Nuts
ASTM A320 Grade L7 Lock Nut
Dimension table of Sa 320 L7 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. |
Sa320 Hex Bolts Torque Chart
Buy Astm A320 L7 Stud and A320 Gr L7 Heavy Hex Bolts at factory price
BOLTS 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 |
BOLTS 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 |
1.1/8 |
172 |
403 |
575 |
1.1/4 |
243 |
565 |
808 |
1.3/8 |
252 |
590 |
843 |
1.1/2 |
334 |
778 |
1113 |
1.9/16 |
228 |
531 |
759 |
1.5/8 |
259 |
603 |
862 |
1.3/4 |
325 |
761 |
1086 |
1.7/8 |
404 |
944 |
1348 |
2 |
496 |
1157 |
1653 |
2.1/4 |
717 |
1673 |
2389 |
2.1/2 |
994 |
2317 |
3311 |
2.3/4 |
1337 |
3118 |
4454 |
3 |
1748 |
4078 |
5826 |
Equiavalent Material of Astm A320 Grade L7 Bolts
L7
|
AISI 4140/4142 Quenched and tempered
|
|---|---|
L7M
|
AISI 4145 Quenched and tempered
|
L43
|
AISI 4340 Quenched and tempered
|
B8 Class 1
|
AISI 304, carbide solution treated
|
B8 Class 2
|
AISI 304, carbide solution treated, strain hardened
|
B8M Class 1
|
AISI 316, carbide solution treated
|
B8M Class 2
|
AISI 316, carbide solution treated, strain hardened
|
L7 Bolts Chemical Properties
Buy Astm A320 Grade L7 Bolts and Astm A320 Grade L7 Hex Head Nuts at best price ex Mumbai
Element
|
L7 (AISI 4140)
|
L43 (AISI 4340)
|
B8 (AISI 304)
|
B8M (AISI 316)
|
|---|---|---|---|---|
Carbon
|
0.37 - 0.49%
|
0.38 - 0.43%
|
0.08% max
|
0.08% max
|
Manganese
|
0.65 - 1.10%
|
0.75 - 1.00%
|
2.00% max
|
2.00% max
|
Phosphorus, max
|
0.035%
|
0.035%
|
0.045%
|
0.045%
|
Sulfur, max
|
0.040%
|
0.040%
|
0.030%
|
0.030%
|
Silicon
|
0.15 - 0.35%
|
0.15 - 0.35%
|
1.00% max
|
1.00% max
|
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%
|
Mechanical Behaviour of Sa 320 Gr L7 Hex Bolts
Bolts Grade
|
Bolts Size
|
Bolts Tensile ksi, min
|
Bolts Yield, ksi, min
|
Bolts Elong, %, min
|
Bolts RA % min
|
Charpy Impact 20-ft-lbf @ temp |
|---|---|---|---|---|---|---|
L7
|
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 |
Locate our Stockist and Distributors in neighborhood countries
| Turkey, Malaysia, United Arab Emirates (UAE), Norway | astm a320 bolt |
| France, Thailand, Qatar, Europe | astm a320 Stud Bolt |
| Germany, Malaysia, Czechia, Thailand | a320 l7 Bolts |
| USA, Finland, Malaysia, Bangladesh | astm a320 l7 Stud |
| Saudi Arabia (KSA), Brazil, South Africa, Kuwait | astm a320 grade l7 Bolts |
| Indonesia, Belgium, Dammam -KSA, Philippines | a320 l7m Hex Bolt |
| South Africa, Singapore, Bahrain, Singapore | astm a320 l7m Nuts |
| Australia, Nigeria, Philippines, UK | l7 bolts |
| Malaysia, UAE, Oman, Hong Kong | a320 gr l7 Heavy Hex Bolts |
| Italy, Singapore, Chile, Iran | sa 320 gr l7 Hex Bolts |
| Malaysia, Dubai, Netherlands, Russia | sa 320 l7 Bolts |
| Spain, UK, Egypt, Mexico | ASTM A320 Grade L7 Hex Head Nuts |
| Europe, UAE, United Kingdom -UK, Malaysia | a320 l7 bolts |
| Canada, Ellington -United States, UK, Poland | astm a320 l7 carbon steel Stud Bolt |
| Malaysia, Singapore, Philippines, Canada | a320 gr l7m Hex Bolt |
| Japan, Malaysia, Europe, Romania | a320 l7 stud bolts |
| Colombia, China, Sweden, Malaysia | SA320 Hex Bolts |
| Taiwan, Philippines, Malaysia, Los Alamos -Mexico | ASTM A320 Allen Cap Bolt |
| South Korea, Malaysia, Singapore, NY 12203 (USA) | A320 Gr B8 Class 1 Flange Bolts |