ASTM A320 L7 Bolts Manufacturer in India, These are available for use with pressure valves pressure vessels, boilers and other application bolts. The fragments of the ASTM A320 Grade L7 Studs are available in four classes. They may be of Class A, B, C or D. The only variation distinguishable between the two classes is the tensile strength. The classes A, B and C contain 895MPa minimum tensile strength and 585MPa minimum yield strength.
The class D of the Astm A320 Grade L7 Bolts Manufacturer in India, has minimum tensile strength of 895MPa and minimum yield strength of 725MPa. This material comprises carbon, manganese, phosphorous, sulphur, silicon, nickel of 0.24%, chromium of 0.13%, molybdenum, titanium, aluminium, vanadium and boron. The ASTM A320 Grade L7m Bolts come in thread diameters of M6 to M36. The threads configuration are depends on other standards which include the ASME B1.1 2A/3A and amongst others.
The Astm A320 L7m Stud Bolts can indeed be rolled, forged, strain hardened and heat treated depending on the expected use on the application. Regal Sales Corporation are experienced manufacturer and suppliers of the various types of the ASTM A320 Grade L7 Nuts available at different sizes. Interested buyers of the product like the ASTM A320 L7 Carbon Steel Bolts as well as those interested in knowing the cost of the product are welcomed to contact us at any time.
ASTM A320 Grade L7 Nuts
ASTM A320 L7m Stud Bolts
ASTM A320 Grade L7 Bolts
Table of Content
ASTM A320 L7 Bolts Sizes
Benefits
Certification
Neck type
Production process
Surface Coating
Threads Types
Head Types
Finishing
Applications
Packaging Methods
Testing Methods
Cutting Methods
Disadvantages
Documentation
ASTM A320 L7 Bolts Supplier in India offers the most common types with high strength and corrosion resistance.
ASTM A320 L7 Hex Head Bolt
A320 L7 J-Bolts
SA 320 Gr L7 U-Bolts
SA 320 L7 Square Head Bolts
ASTM A320 L7 Heavy Hex Bolt
ASTM A320 Gr L7 Shoulder Bolts
ASTM A320 Grade L7 Eye Bolts
A320 Grade L7 Flange Bolts
ASTM A320 L7 Bolts Manufacturer in India offers a wide Range of Dimensions
| 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 |
| 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 1/4 | 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 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 1/2 | 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 | 6.5 |

| Diameter | Diameter in mm | Diameter in inch | Nut Sizes |
|---|---|---|---|
| M12 | 12 | 0.4724 | 19 |
| M18 | 18 | 0.7087 | 27 |
| M16 | 16 | 0.6299 | 24 |
| M10 | 10 | 0.3937 | 17 |
| M14 | 14 | 0.5512 | 22 |
| M20 | 20 | 0.7874 | 30 |
| M24 | 24 | 0.9449 | 36 |
| M33 | 33 | 1.2992 | 50 |
| M22 | 22 | 0.8661 | 32 |
| M27 | 27 | 1.063 | 41 |
| M30 | 30 | 1.1811 | 46 |
| M39 | 39 | 1.5354 | 60 |
| M45 | 45 | 1.7717 | 70 |
| M36 | 36 | 1.4173 | 55 |
| M42 | 42 | 1.6535 | 65 |
| M52 | 52 | 2.0472 | 80 |
| M64 | 64 | 2.5197 | 95 |
| M48 | 48 | 1.8898 | 75 |
| M56 | 56 | 2.2047 | 85 |
| M60 | 60 | 2.3622 | 90 |
| M72 | 72 | 2.8346 | 105 |
| M68 | 68 | 2.6772 | 100 |
| M76 | 76 | 2.9921 | 110 |
| M80 | 80 | 3.1496 | 115 |
| BOLT DIA |
Torque FT-LBS | ||
|---|---|---|---|
| 30% Initial Torque |
70% Torque |
100% Final Torque |
|
| 1/2 | 16 | 36 | 52 |
| 5/8 | 31 | 73 | 104 |
| 3/4 | 55 | 129 | 184 |
| 1 | 107 | 249 | 356 |
| 1.1/8 | 127 | 297 | 424 |
| 1.1/4 | 179 | 417 | 596 |
| 1.1/2 | 246 | 574 | 821 |
| 1.9/16 | 168 | 392 | 560 |
| 1.3/4 | 240 | 561 | 801 |
| 1.7/8 | 298 | 696 | 994 |
| 2.1/4 | 529 | 1234 | 1762 |
| 2.1/2 | 733 | 1709 | 2442 |
| 2.3/4 | 986 | 2300 | 3285 |
| BOLT DIA |
Torque Nm | ||
|---|---|---|---|
| 30% Initial Torque |
70% Torque |
100% Final Torque |
|
| 9/16 | 31 | 72 | 102 |
| 5/8 | 42 | 99 | 141 |
| 3/4 | 75 | 175 | 249 |
| 7/8 | 96 | 225 | 321 |
| 1.1/8 | 172 | 403 | 575 |
| 1.1/4 | 243 | 565 | 808 |
| 1.1/2 | 334 | 778 | 1113 |
| 1.9/16 | 228 | 531 | 759 |
| 1.5/8 | 259 | 603 | 862 |
| 1.7/8 | 404 | 944 | 1348 |
| 2 | 496 | 1157 | 1653 |
| 2.1/4 | 717 | 1673 | 2389 |
| 2.3/4 | 1337 | 3118 | 4454 |
| 3 | 1748 | 4078 | 5826 |
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Thermal Conductivity | 40-50 W/m·K |
| Coefficient of Thermal Expansion | 12.0 - 13.0 µm/m·°C |
| Melting Range | 1,370°C to 1,530°C |
| Hardness | 223 - 352 HB |
ASTM A320 L7 Bolts Manufacturer in India offers a Excellent weight chart for fasteners
| Diameter (inches) | Length (inches) | Weight (lbs/bolt) |
|---|---|---|
| 1/4" | 1 | 0.02 |
| 1/4" | 2 | 0.03 |
| 3/8" | 1 | 0.04 |
| 3/8" | 2 | 0.08 |
| 1/2" | 1 | 0.1 |
| 1/2" | 2 | 0.2 |
| 5/8" | 2 | 0.4 |
| 5/8" | 4 | 0.8 |
| 3/4" | 2 | 0.6 |
| 3/4" | 4 | 1.2 |
| 1" | 4 | 2.0 |
| 1" | 6 | 3.0 |
| Grade | Country | 304 | 304 L | 310 | 316 | 316 L | 410 | 431 |
|---|---|---|---|---|---|---|---|---|
| ASTM | America | ASTM A 193 Gr B8 | ASTM A 320 Ge B8 | ASTM A 479 | ASTM A 193 Gr B8C | ASTM A 320 Ge B8C | ||
| BS | British | BS 970 | BS 970 | BS 970 | BS 970 | BS 970 | BS 970 | BS 970 |
| UNS | North America | S30400 | S30403 | S31000 | S31600 | S31603 | S41000 | S43100 |
| EN | European | 1.4301 | 1.4306 | 1.4841 | 1.4401 | 1.4404 | 1.4006 | 1.4057 |
| DIN | German | X 5CrNi1810 | X 2CrNi1911 | X 12 CrNi 25 21 | X 5 CrNiMo 17 13 2 | X 2 CrNiMo 17 13 2 | X 10Cr13 | X 20CrNi172 |
Tensile Strength
125 ksi (862 MPa)
Yield Strength
105 ksi (724 MPa)
Elongation
16%
Melting Point
1370°C to 1510°C
| Country Name | Delivery Time |
|---|---|
| Malaysia |
10 days
|
| Oman |
12 days
|
| Turkey |
21 days
|
| UAE |
7 days
|
| Saudi Arabia |
10 days
|
| Singapore |
7 days
|
| Egypt |
18 days
|
| Jordan |
21 days
|
| South Africa |
25-30 days
|
| Property | L7 | L7M |
|---|---|---|
| Material | Alloy steel | Modified alloy steel |
| Low-Temp Resistance | Moderate | Better (cryogenic) |
| Impact Resistance | Standard | Superior at low temps |
Yes, ASTM A320 L7 bolts can be heat treated.
Yes, ASTM A320 L7 bolts coated for corrosion protection. Common coatings include:
ASTM Fasteners
