How strong is a grade A307 bolt?
ASTM A307 Grade A Carbon Steel Bolting with minimum tensile of 60 ksi. ASTM A307 Grade A is grade specification in carbon steel bolting for use in general purpose application. This grade covers hex headed bolts, stud bolts, threaded rods or any other bolting having a minimum tensile strength of 60 ksi.
What grade is an A307 bolt?
ASTM A307 Grade A is a standard material specification for medium strength carbon steel fasteners specially bolts, studs and threaded rods for general purpose applications. Grade A is a heat treated carbon steel bolting material with minimum tensile requirement of 60 ksi and hardness range from 121 to 241 BHN.
Is A307 a Grade 2?
You will often hear about A307 and Grade 2 bolts as being equivalent. While they are small differences they each are referred to as “low carbon” fasteners. A307 is an ASTM (industrial) spec, while Grade 2 is an SAE J429 Grade 2 (automotive) spec.
Is A307 the same as Grade 5?
Basically, they are the same. There are hardness, size, thread, as well as ASTM discrepancies between them.
What is a A307 bolt used for?
A307 Grades Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges. Nonheaded anchor bolts, either bent or straight, intended for structural anchorage purposes.
Is Grade 2 the same as A307?
What grade is A307 bolt?
ASTM A307 is the standard specification for carbon steel bolts, studs, and threaded rods of 60000 PSI tensile strength in sizes from ¼ inch to 4 inches in diameter. A307 bolts from Glaser and Associates are available in two grades, A and B, offering different mechanical and chemical properties for specific applications.
What is A307 bolt?
The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar.
What is the shear strength of a bolt?
The shear strength is the value at which the lateral stress on a bolt or screw causes it to fail. It is an important factor to take into consideration when designing structural steel or timber connections. Shear strength is also an easy value to roughly calculate when the ultimate tensile strength is known.
Are A307 bolts weldable?
A307 bolts, rods, and studs are not always weldable. For this grade to be weldable it must meet the supplementary requirement S1 of the ASTM A307 specification. This supplement provides assurances of weldability by additional chemical composition restrictions and by a carbon equivalent formula. In addition, “Because of the embrittling effects of welding temperatures on cold-forged steel, this supplemental section is limited to hot-forged bolts, or, if not forged, then to bolts produced