ASTM A320 Grade L7 U Bolts
Boltport offers U Bolts in ASTM A320 Grade L7 specification, manufactured to DIN 3570 & ASME B18.31.5 standards, in imperial and metric system for pipe size DN20 to DN500 and bigger. These U bolts can be ordered to produce with Square and round bend with customization in length, bend radius and threads. A320 Grade L7 u bent bolts are produced from SAE / AISI 4140 alloy steel and heat-treated to induce properties suitable for low temperature service.
U Bolt Sizes & Thread Specifications
| Pipe Sizes Metric |
DN 20 to DN500 |
| Pipe Sizes Imperial |
½" to 24" |
| Thread Standards |
ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643 |
U Bolt Standards
