ASTM A320 L7M Bolt
AISI Grade L7M Hex Head Bolts, ASTM A320 Grade L7M Hex Bolts, Grade L7M Stud Bolts, Grade L7M Eye Bolts.
ASTM A320 L7M Bolts are our specialty, and we at fas10 are proud to say that we are one of the leading manufacturers and suppliers in this industry. We have a variety of Bolts made of Steel, including ASTM A320 L7M Bolts, amongst others. We are able to provide acceptable solutions for a wide range of sectors thanks to the extensive grades and kinds of Bolts that we stock. Our Bolts have a number of great characteristics, including a longer working life, flawless finish, tough construction, high corrosion resistance, precision engineered, rust-proof, and a lot of other characteristics.
Numerous industrial clients rely on us to provide them with AISI Grade L7M Hex Head Bolt of the finest possible quality. We use the highest quality raw materials to make a comprehensive range of various kinds of Bolts. The material is chosen after being put through many rounds of testing. With the assistance of modern equipment and cutting-edge technology, we are now producing a large quantity of ASTM A320 L7M Bolts. Many different types of Bolts may be ordered from our high-tech manufacturing company in a wide range of dimensions, standards, designations, and customer requirements.
About ASTM A320 L7M Bolt
L7M Grade Flange Head Bolts, ASTM A320 L7M Carriage Bolts, AISI Grade L7M U Bolts, ASTM A320 L7M Allen Bolts.
The goal of fas10 is to produce the greatest possible quality within the allotted amount of time. By conducting tests, our experienced personnel are systematically testing and supervising the whole process. Our specialists put Grade L7M Stud Bolt through a variety of tests in order to evaluate the Bolts’ durability, quality, and performance. Our high-grade Bolts have properties like great corrosion resistance, pitting and crevice corrosion resistance, and outstanding thermal stability, and they also give exceptional performance in increased temperatures. These are just some of the attributes that make them stand out.
ASTM A320 L7M Bolt Specification
| Dimensions | ASME B18.2.1, B18.3 |
| Melt Origin | Korea, South America, Japan, East Europe, |
| Mandatory Requirements | Free from Mercury & Radioactive Contamination |
| Additional Certifications | PED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Additional Requirements | NACE MR0103 / MR0175 / ISO 15156 Compliance |
| Threads Configuration | ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
Equivalent Grades ASTM A320 L7M Bolt
| ASTM | AISI |
| ASTM A320 GRADE L7M | 4140 |
Chemical Composition ASTM A320 L7M Bolt
| Element | Carbon | Manganese | Phosphorus, maximum | Sulfur, maximum | Silicon | Chromium | Nickel | Molybdenum |
| L7M (AISI 4140) | 0.38 - 0.48% | 0.75 - 1.00% | 0.035% | 0.040% | 0.15 - 0.35% | 0.80 - 1.10% | - | 0.15 - 0.25% |
Mechanical Properties ASTM A320 L7M Bolt
| Grade | Diameter,[mm] | Minimum Tempering Temperature | Tensile Strength, min, MPa | Yield Strength min, 0.2% offset MPa | Elongation in 4D min, % | Reduction of Area min % | Hardness max |
| L7M | M100 and under | 620 | 690 | 550 | 18 | 50 | 235 HBW or 99 HRC |
| over M100 to M180 | 620 | 690 | 515 | 18 | 50 | 235 HBW or 99 HRC |
Dimensions Of ASTM A320 L7M Bolt
ASTM A320 Grade L7M Bolts Dimensions Chart :
| Nominal Size or Basic Product Diameter | Full-Size Body Diameter, E | Width Across Flats, F | Width Across Corners, G | Head Height, H Basic | Radius of Fillet, R | Nominal Thread Length for Bolt Lengths, LT |
|||||||||
| inch | mm | Max | Min | Basic inch | Max | Min | Max | Min | Basic inch | Max | Min | Max | Min | 6 in. and Shoter | Over 6 in. |
| 1⁄4 | 0.25 | 0.26 | 0.237 | 7⁄16 | 0.438 | 0.425 | 0.505 | 0.484 | 11⁄64 | 0.188 | 0.15 | 0.03 | 0.01 | 0.75 | 1 |
| 5⁄16 | 0.3125 | 0.324 | 0.298 | 1⁄2 | 0.5 | 0.484 | 0.577 | 0.552 | 7⁄32 | 0.235 | 0.195 | 0.03 | 0.01 | 0.875 | 1.125 |
| 3⁄8 | 0.375 | 0.388 | 0.36 | 9⁄16 | 0.562 | 0.544 | 0.65 | 0.62 | 1⁄4 | 0.268 | 0.226 | 0.03 | 0.01 | 1 | 1.25 |
| 7⁄16 | 0.4375 | 0.452 | 0.421 | 5⁄8 | 0.625 | 0.603 | 0.722 | 0.687 | 19⁄64 | 0.316 | 0.272 | 0.03 | 0.01 | 1.125 | 1.375 |
| 1⁄2 | 0.5 | 0.515 | 0.482 | 3⁄4 | 0.75 | 0.725 | 0.866 | 0.826 | 11⁄32 | 0.364 | 0.302 | 0.03 | 0.01 | 1.25 | 1.5 |
| 5⁄8 | 0.625 | 0.642 | 0.605 | 15⁄16 | 0.938 | 0.906 | 1.083 | 1.033 | 27⁄64 | 0.444 | 0.378 | 0.06 | 0.02 | 1.5 | 1.75 |
| 3⁄4 | 0.75 | 0.768 | 0.729 | 11⁄8 | 1.125 | 1.088 | 1.299 | 1.24 | 1⁄2 | 0.524 | 0.455 | 0.06 | 0.02 | 1.75 | 2 |
| 7⁄8 | 0.875 | 0.895 | 0.852 | 1 5⁄16 | 1.312 | 1.269 | 1.516 | 1.447 | 37⁄64 | 0.604 | 0.531 | 0.06 | 0.02 | 2 | 2.25 |
| 1 | 1 | 1.022 | 0.976 | 1 1⁄2 | 1.5 | 1.45 | 1.732 | 1.653 | 43⁄64 | 0.7 | 0.591 | 0.09 | 0.03 | 2.25 | 2.5 |
| 1 1⁄8 | 1.125 | 1.149 | 1.098 | 1 11⁄16 | 1.688 | 1.631 | 1.949 | 1.859 | 3⁄4 | 0.78 | 0.658 | 0.09 | 0.03 | 2.5 | 2.75 |
| 1 1⁄4 | 1.25 | 1.277 | 1.223 | 1 7⁄8 | 1.875 | 1.812 | 2.165 | 2.066 | 27⁄32 | 0.876 | 0.749 | 0.09 | 0.03 | 2.75 | 3 |
| 1 3⁄8 | 1.375 | 1.404 | 1.345 | 2 1⁄16 | 2.062 | 1.994 | 2.382 | 2.273 | 29⁄32 | 0.94 | 0.81 | 0.09 | 0.03 | 3 | 3.25 |
| 1 1⁄2 | 1.5 | 1.531 | 1.47 | 2 1⁄4 | 2.25 | 2.175 | 2.598 | 2.48 | 1 | 1.036 | 0.902 | 0.09 | 0.03 | 3.25 | 3.5 |
| 1 5⁄8 | 1.625 | 1.658 | 1.591 | 2 7⁄16 | 2.438 | 2.356 | 2.815 | 2.616 | 1 3⁄32 | 1.116 | 0.978 | 0.09 | 0.03 | 3.5 | 3.75 |
| 1 3⁄4 | 1.75 | 1.785 | 1.716 | 2 5⁄8 | 2.625 | 2.538 | 3.031 | 2.893 | 1 5⁄32 | 1.196 | 1.054 | 0.12 | 0.04 | 3.75 | 4 |
| 1 7⁄8 | 1.875 | 1.912 | 1.839 | 2 13⁄16 | 2.812 | 2.719 | 3.248 | 3.099 | 1 1⁄4 | 1.276 | 1.13 | 0.12 | 0.04 | 4 | 4.25 |
| 2 | 2 | 2.039 | 1.964 | 3 | 3 | 2.9 | 3.464 | 3.306 | 1 11⁄32 | 1.388 | 1.175 | 0.12 | 0.04 | 4.25 | 4.5 |
| 2 1⁄4 | 2.25 | 2.305 | 2.214 | 3 3⁄8 | 3.375 | 3.262 | 3.897 | 3.719 | 1 1⁄2 | 1.548 | 1.327 | 0.19 | 0.06 | 4.75 | 5 |
| 2 1⁄2 | 2.5 | 2.559 | 2.461 | 3 3⁄4 | 3.75 | 3.625 | 4.33 | 4.133 | 1 21⁄32 | 1.708 | 1.479 | 0.19 | 0.06 | 5.25 | 5.5 |
| 2 3⁄4 | 2.75 | 2.827 | 2.711 | 4 1⁄8 | 4.125 | 3.988 | 4.763 | 4.546 | 1 13⁄16 | 1.869 | 1.632 | 0.19 | 0.06 | 5.75 | 6 |
| 3 | 3 | 3.081 | 2.961 | 4 1⁄2 | 4.5 | 4.35 | 5.196 | 4.959 | 2 | 2.06 | 1.815 | 0.19 | 0.06 | 6.25 | 6.5 |
| 3 1⁄4 | 3.25 | 3.335 | 3.21 | 4 7⁄8 | 4.875 | 4.712 | 5.629 | 5.372 | 2 3⁄16 | 2.251 | 1.936 | 0.19 | 0.06 | 6.75 | 7 |
| 3 1⁄2 | 3.5 | 3.589 | 3.461 | 5 1⁄4 | 5.25 | 5.075 | 6.062 | 5.786 | 2 5⁄16 | 2.38 | 2.057 | 0.19 | 0.06 | 7.25 | 7.5 |
| 3 3⁄4 | 3.75 | 3.858 | 3.726 | 5 5⁄8 | 5.625 | 5.437 | 6.495 | 6.198 | 2 1⁄2 | 2.572 | 2.241 | 0.19 | 0.06 | 7.75 | 8 |
| 4 | 4 | 4.111 | 3.975 | 6 | 6 | 5.8 | 6.928 | 6.612 | 2 11⁄16 | 2.764 | 2.424 | 0.19 | 0.06 | 8.25 | 8.5 |
Different Types Of ASTM A320 L7M Bolt
Different Types Of Bolts:
ASTM A320 Grade L7M Hex Bolts
ASTM A320 Grade L7M Carriage Bolts
ASTM A320 Grade L7M Stud Bolts
ASTM A320 Grade L7M Hex Head Bolts
ASTM A320 Grade L7M Forged Hook Bolts
ASTM A320 Grade L7M Torx Bolts
ASTM A320 Grade L7M Countersunk Bolts
ASTM A320 Grade L7M Flange Head Bolts
ASTM A320 Grade L7M Allen Bolts
ASTM A320 Grade L7M 12-Point Flange Bolts
ASTM A320 Grade L7M Eye Bolts
ASTM A320 Grade L7M Bolts
ASTM A320 Grade L7M U Bolts
ASTM A320 Grade L7M J Bolts
ASTM A320 Grade L7M Elevator Bolt
ASTM A320 Grade L7M Threaded Expansion Anchor Bolt
ASME SA 320 L7M High Performance Anchor Bolts
ASTM A320 Grade L7M Lag Bolts
Application of ASTM A320 L7M Bolt
Testing of ASTM A320 L7M Bolt
Packing Of ASTM A320 L7M Bolt
Destination Of ASTM A320 L7M Bolt
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