ASTM A320 Grade L7A, 4037 Alloy Steel, Square, Hex Bolts, Hex Cap Screws, Lag Screws, Hex Socket and Spline Socket Screws, Socket Head Cap Screws, ASME B18.2.1, B18.2.3, B18.3, B18.31.3, B1.1, Inch, Metric Threads
ASTM A320 Grade L7A Bolts are manufactured from 4037 Alloy Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr L7A bolt supplier in India.
4037 Carbon Molybdenum Steel
Ferritic Steel with Impact test @ -1010C
Quenched & Tempered
– Finish: Black Phosphating
– Marking: TorqBolt L7A
– Type: Cold Forged, Hot Forged, Bar Stock Machined
|Dimensions||ASME B18.2.1, B18.2.3, B18.3, B18.31.3|
|Threads||Unless otherwise specified, the threads shall be rolled or cut at the option of TorqBolt|
|Threads Configuration||ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads|
|Product Origin||Made in India|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W7 Certified|
|Additional Requirements||NACE MR0103/MR0175/ISO 15156 Compliance|
|Mandatory Requirements||Free from Mercury & Radioactive Contamination|
ASTM A320 Grade L7A Studs Specification
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TorqBolt is a well known stockist of Pitch Dia ASTM A320 Grade L7A Round Bars from ¼-4 & 6mm 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter as specified in ASTM A320 Specification .