ASTM A320 Bolts

Supplies a full range of ASTM A320 L7 Stud Bolts, ASTM A320 Grade L7 Nuts, ASTM A320 Stainless Steel Bolts at Factory price in India

carries a complete line of ASTM A320 Grade L7 Studs, astm A320 Grade L7 Material, ASTM A320 Grade L7m Bolts, astm a320 l7m stud bolts in mumbai, India

According to the mechanical specifications of the A320 Grade L7 Bolts , the A320 Gr L7 Stud material is to be tested in the following parameters  -  impact testing, tension testing, and hardness testing.The specification of the A320 Gr L7 Hdg covers several grades of stainless steels including those of the austenitic as well as ferritic grades of stainless steel. Manufacturer of ASTM A320 Bolts in India.

ASTM A320 Stud Bolts
ASTM A320 Stud Bolts
ASTM A320 Bolts
ASTM A320 Bolts
ASTM A320 Nuts
ASTM A320 Nuts
What is ASTM A320 Bolts

ASTM A320 Bolts

ASTM A320 Bolts

ASTM A320 Bolts is intended for low-temperature service down to -150° F and has a minimum Charpy impact value of 20-ft-lbf at this temperature. ASTM A320 Hex Bolts has to get high temperature or high pressure & corrosion resistant steels durability and service. ASTM A320 Stud Bolts has different sizes and patterns our premium quality ASTM A320 Grade L7 AS Bolts is greatly demanded in the market for their speculative features & specifications.

The specification for ASTM A320 Grade L7m Material covers both alloy steel as well as stainless steel bolting materials to be used  for low temperature applications. The ASTM A320 L7 Stud Bolts  can also be used in applications where the temperature of the environment reaches up to - 150ºF. And  the ASTM A320 Grade L7m Bolts and ASTM A320 Bolts has a minimum Charpy impact value of 15 ft-lb at this temperature. 

Standard ASTM A320 Grade L7 Stud Bolts covers up those fittings in which the alloy has been rolled, forged, or strain hardened bars, bolts, screws, studs, and stud bolts. These ASTM A320 Gr L7 Stud Bolt have been  used for applications involving pressure vessels, valves, flanges, and fittings.Similar to the ASTM A193 standard, the 8UN thread series is specified on the A320 Gr L7 Material fastener is known to measure larger than 1” in diameter.The alloy steel for standard ASTM A320 Grade L7 Nuts has to undergo AISI 4140/4142 Quenching and tempering.


Astm A320 Bolts Price

ASTM A320 Bolts
Price
manufacture astm a320 l7/a193 b7 stud bolts
US$ 0.005-US$ 0.10 / Piece
alloy steel types astm a320 l7/a193 b7 stud bolts
US$ 1.35-US$ 1.45 / Piece
A320 l7 l7m stud bolt m16
US$ 0.01-US$ 0.05 / Piece
ASTM A320 / A320M Heavy Hex Bolt M38
US$ 0.30-US$ 0.50 / Piece
supplier astm a320 stud
US$ 0.01-US$ 0.05 / Piece
heavy hex bolts ASTM A320 Grades L7 L43
US$ 0.02-US$ 0.50 / Piece
A320 L7M 3 3/4″ ZP/ZL Threaded bar and bolts
US$ 1,500.00-US$ 1,900.00 / Metric Ton
astm a320 grade L7 bolts
US$ 0.15-US$ 6.59 / Set
astm a320 l7m stud bolt
US$ 0.01-US$ 1.00 / Piece
Good quality heavy hex bolts ASTM A320 Grades L7 L43
US$ 0.01-US$ 0.10 / Piece

 

Specification of ASTM A320 L7M Bolts

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
Astm A320 Bolts Samples Yes
Payment Terms Western Union, T/T, Paypal, Trade Assurance 30% deposit & balance before shipping or L/C

 

Related ASTM Specifications

  • ASTM A193 / A193M – 16 : Specifications for High-Temperature Bolting, with Expansion Coefficients Comparable to Austenitic Stainless Steels
  • ASTM A1082 / A1082M – 16 : Specifications for High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications
  • ASTM F2281 : Specifications for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications Designation
  • ASTM A1014 / A1014M – 16 : Specifications for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
  • ASTM A962 / A962M – 16a : Specifications for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range
  • ASTM A638 / A638M : Specifications for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service

 

Dimensions Of A320 Heavy Hex Bolts

ASTM A320 Heavy Hex Bolt Dimension
ASTM A320 Heavy Hex Bolt Dimension
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.

 

India’s Largest Manufacturer of A320 B8 Stud, A320 Gr L7 Stud, A320 Gr L7 Material, A320 Gr L7 Hdg, ASTM A320 Gr L7 Stud Bolt in mumbai, India

ASTM A320 Bolt Dimensions

ASTM A320 Hex Bolt Dimension

ASTM A320 Hex Bolt Dimension

**All measurements in millimeters**

NOMINAL SIZE (D)
BODY DIAMETER
HEAD THICKNEASTM A193
ACROASTM A193 THE FLATS
ACROASTM A193 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

 

Size Chart of ASTM A320 Bolts

Size Chart of ASTM A320 Bolt

 

ASTM A320 Bolts Type

A320 Gr L7 Heavy Hex Bolts
A320 Gr L7 Heavy Hex Bolts
SA320 Hex Bolts
SA320 Hex Bolts
ASTM A320 Lag Bolts
ASTM A320 Lag Bolts
A320 Anchor Bolts
A320 Anchor Bolts
ASTM A320 Carriage Bolts
ASTM A320 Carriage Bolts
ASTM A320 Allen Cap Bolt
ASTM A320 Allen Cap Bolt
ASTM A320 Grade L7 Countersunk Bolts
ASTM A320 Grade L7 Countersunk Bolts
A320 Gr B8 Class 1 Flange Bolts
A320 Gr B8 Class 1 Flange Bolts
ASTM A320 Square Bolts
ASTM A320 Square Bolts
ASME SA320 Hex Head Bolts
ASME SA320 Hex Head Bolts
ASME SA320 U Bolts
ASME SA320 U Bolts
ASTM A320 Gr L7 Eye Bolts
ASTM A320 Gr L7 Eye Bolts

 

ASTM A320 Studs Types

A320 Gr L7 Stud Bolts
A320 Gr L7 Stud Bolts
ASTM A320 L7 Double Ended Studs
ASTM A320 L7 Double Ended Studs
SA320 Tie Bars
SA320 Tie Bars
ASTM A320 Gr. L7 Threaded Rod
ASTM A320 Gr. L7 Threaded Rod
ASME SA320 Tie Rods
ASME SA320 Tie Rods

 

ASTM A320 Nuts Types

A320 Acorn Nuts
A320 Acorn Nuts
ASTM A320 Grade L7 T Nuts
ASTM A320 Grade L7 T Nuts
L7M Serrated Flange Nuts
L7M Serrated Flange Nuts
ASTM A320 Nyloc Nuts
ASTM A320 Nyloc Nuts
SA320 Wing Nuts
SA320 Wing Nuts
ASTM A320 Panel Nuts
ASTM A320 Panel Nuts
SS A320 Coupling Nuts
SS A320 Coupling Nuts
ASME SA320 Dome Nuts
ASME SA320 Dome Nuts
ASME SASME SA320 Square Nuts
ASME SASME SA320 Square Nuts
ASTM A320 Grade L7 Hex Head Nuts
ASTM A320 Grade L7 Hex Head Nuts
A320 Hex Nuts
A320 Hex Nuts
ASME SA320 Eye Nuts
ASME SA320 Eye Nuts
SA320 Heavy Hex Nuts
SA320 Heavy Hex Nuts
ASTM A320 Grade L7 Lock Nut
ASTM A320 Grade L7 Lock Nut
A320 Gr L7 Self Locking Nuts
A320 Gr L7 Self Locking Nuts
L7M Nylon Insert Nuts
L7M Nylon Insert Nuts

 

ASTM A320 Bolt Torque Chart

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

 

Chemical Composition of SA320 Bolts

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%

 

ASTM A320 Equivalent Grade

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

 

Mechanical Properties of ASTM A320 Grade L7

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
 
Application of A320 Bolts and Nuts

  •  A320 Bolts uses in Pharmaceutical Equipment
  •  A320 Bolts uses in Sea Water Equipment
  •  SS A320 Hex Nuts uses in Heat Exchangers
  •  SA320 Stud Bolts uses in Specialty Chemicals
  •  SA320 Studs uses in Off-Shore Oil Drilling Companies
  •  A320 Heavy Hex Bolts uses in Gas Processing
  •  ASTM A320 Bolts uses in Spiral Welded tube for burner pipes and flues
  •  ASME SA320 Nuts uses in Power Generation
  •  A320 Grade L7 Bolts uses in Petrochemicals
  •  ASTM A320 Bolts uses in Aircraft Exhaust Manifolds
  •  ASTM A320 Fasteners uses in Pharmaceuticals

 

Other Types Of ASTM A320 Bolts


ISO Approved ASTM A320 U Bolts
ASTM A320 J Bolt
ASTM A320 Anchor Bolt
ASTM A 320 L7 Studs Manufacturer
ASTM A 320 Eye Bolt Supplier
ASME SA320 L7M Grub Screw
ASTM A 320 L7 Heavy Hex Bolts
A320 L7M Nuts Manufacturer
ASTM A 320 L7 Step Bolt
A320 Gr L7 Stud Bolts
ASTM A320 L7 Lag Bolt Exporter
ASTM A320 Stud Bolt
ASTM A320 Gr. L7 Threaded Rod
L7M Hanger Bolt
ASTM A320 L7M Tie Rod
A320 L7 Hex Nut
SA320 Nuts Exporter
ASTM A320 L7M Stud Bolts
A320 L7 Hex Nut Supplier
A320 L7M Shoulder Bolt
ASTM A320 Grade L7 Stud Bolt
A320 Gr L7 Stud Bolts Supplier
A320 L7M Stainless Steel bolts
A 320 Plow Bolt Distributor

 

View ASTM A320 Bolt Dimensions & weight, ASTM A320 L7M Bolt Specification and Equivalent.
Buy ASTM A320 Grade L7 Stud Bolts, A320 Grade L7 Bolts, ASTM A320 Grade L7m Material at factory price in India