Fasteners

ASTM A320 Bolts and Nuts

ASTM A320 L7 Stud Bolts Supplier in India

 

Astm A320 Bolt

Astm A320 Bolt

Astm A320 Stud Bolt

Astm A320 Stud Bolt

A320 L7 Bolts

A320 L7 Bolts

Astm A320 L7 Stud

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

Astm A320 Grade L7 Bolts

A320 L7m Hex Bolt

A320 L7m Hex Bolt

Astm A320 L7m Nuts

Astm A320 L7m Nuts

L7 Bolts

L7 Bolts

A320 Gr L7 Heavy Hex Bolts

A320 Gr L7 Heavy Hex Bolts

Sa 320 Gr L7 Hex Bolts

Sa 320 Gr L7 Hex Bolts

Sa 320 L7 Bolts

Sa 320 L7 Bolts

Astm A320 Grade L7 Hex Head Nuts

Astm A320 Grade L7 Hex Head Nuts

A320 Gr B8 Class 1 Flange Bolts

A320 Gr B8 Class 1 Flange Bolts

ASTM A320 Gr L7 Eye Bolts

ASTM A320 Gr L7 Eye Bolts

SA320 Wing Nuts

SA320 Wing Nuts

ASTM A320 Grade L7 Lock Nut

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

Get In Touch

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