A307 is basically an ungraded bolt and A325 is grade 5 or so.2002-02-05
What does 307A on a bolt head mean?
307A. ASTM A307 Grade A Bolts, screws, studs (general engineering) Low or medium carbon steel. 1/4 - 4.
How strong is a 307A bolt?
What grade steel is A307?
carbon steel
How is bolt grade determined?
The grading system for bolts is numbered based on the material used, diameter, proof load, and tensile strength. The material is typically low to medium carbon alloy steel. The tensile strength refers to how much pressure it can withstand with a Grade 2 bolt having a 74,000 psi and a Grade 5 bolt having a 120,000 psi.
Is A307 the same as Grade 5?
Basically, they are the same.2017-08-16
How strong is Grade A307?
60 ksi
What size bolt is 307A?
Brand Name RAW PRODUCTS CORP
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Size 5/16"-18 x 1-1/2"
Specification Met Asme B18.2.1
Style Hex Head Bolt
Thread Coverage Coarse