Bolt Grade Rating
By Emmanuel Admin •
December 14, 2021
Posted in Charts
SAE Grade No. | Size Range | Tensile Strength | Material | Head Marking |
Grade 2 | ¼” thru ¾”
⅞” thru 1 ½” | 74,000 psi
60,000 psi | Low or medium carbon steel. | ![grade 2 bolt 2d](https://lh3.googleusercontent.com/iq26hWdYgYb8y30nX-pNRR5r7AWS1hXekq8kb4fHZNwnw5YoJthlQeYjOf7JxAVhR_dEuFG5WFzISa-z9xVihBBLkBMd1H9o6X8NiVmHA94KRwEgxz799dKn4juQRNhn8vywBoEy) |
Grade 3 | ¼” thru ¾” | 110,000 psi | Medium carbon steel | ![grade 3 bolt 2d](https://lh3.googleusercontent.com/HB4U7pIbhc0TC43rjFOimyavtxt4GzRb-6COPwDj4jcRWgfHBiQ26hBYxWXvr2H9mrj5tx5-FlRBIoz57q2eGA79FYPSQ76R4vSFvfT6eBiQUqAuuASMe_WSWO3lR7PGcKTQ9NSp)
|
Grade 5 | ¼” thru 1” | 120,000 psi | Medium carbon steel, quenched & tempered |
|
Grade 5.1 | ¼” thru ½” | 120,000 psi | Lor or medium carbon steel, quenched & tempered |
|
Grade 6 | ¼” thru 1” | 140,000 psi | Medium carbon steel, quenched & tempered |
|
Grade 8 | ¼” thru 1 ½” | 150,000 psi | Medium carbon alloy steel, quenched & tempered |
|
Bolt Grade Rating psi Chart
PSI chart
Post Tags: