What is SAE Grade 5?
SAE steel bolts – grades ranging grade 1 to 8.2 – proof and tensile strength.
| SAE Grade | Size Range (in) | Minimum Tensile Strength (103 psi) |
|---|---|---|
| 2 | 1/4 – 3/4 7/8 – 1 1/2 | 74 60 |
| 5 | 1/4 – 1 1 1/8 – 1 1/2 | 120 105 |
| 5.2 | 1/4 – 1 | 120 |
| 7 | 1/4 – 1 1/2 | 133 |
Is A325 a high strength bolt?
ASTM A325 covers high strength structural bolts used in structural steel connections. A325s have a heavy hex head, a full body diameter, and are normally short in overall length since they are connecting steel to steel.
What is SAE J429?
SAE J429 covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in sizes to 1-1/2” inclusive.Below is a basic summary the most common grades. SAE J429 covers a number of other grades and grade variations not covered in this summary, including 4, 5.1, 5.2, 8.1, and 8.2.
What is a J429 grade bolt?
Tensile Strength Bolts Grade Identification Mark SAE J429 standard covers specifications to chemical, mechanical and other material requirements for inch-series carbon and alloy steel bolts, screws, studs, and U-bolts, used in automotive and related industries in sizes up-to 1-1/2 inch, inclusive. SAE J429 Grades
What are the J429 mechanical properties?
J429 Mechanical Properties Grade Nominal Size, inches Full Size Proofload, psi Yield Strength, min, psi Tensile Strength, min, psi Elong, min, % RA, min, % Core Hardness, Rockwell Tempering Temperature, min 1 1/4 thru 1-1/2 33,000 36,000 60,000 18 35 B7 to B100 N/A 2 1/4 thru 3/4 55,000 57,000 74,000
What are the requirements for Grade 2 bolts?
Grade 2 requirements for sizes 1/4″ thru 3/4″ apply only to bolts 6″ and shorter, and to studs of all lengths. For bolts longer than 6″, Grade 1 requirements shall apply. J429 Chemical Requirements