Astm 307 ((install)) Today

No alloying elements are required; the steel is plain carbon, often AISI 1006–1022 grade.

ASTM A307 is a standard specification issued by ASTM International for carbon steel bolts, studs, and threaded rods with a minimum tensile strength of (415 MPa). It is one of the most common, general-purpose fastener standards used in non-critical, low-stress applications, particularly in construction, plumbing, and machinery assembly. astm 307

| Grade | Description | Typical Use | |-------|-------------|--------------| | | Low carbon steel (no heat treat required). Soft, ductile, and easily bendable. | General purpose fasteners, pipe flanges, electrical conduits, anchor bolts. | | Grade B | Low carbon steel (may be heat treated). Slightly higher strength and hardness. | Flanged joints in piping systems (especially cast iron flanges), mild machinery assembly. | | Grade C | (Rarely used/obsolete) | Replaced by F1554 for anchor bolts. | No alloying elements are required; the steel is

The ASTM A307 standard covers the requirements for carbon steel bolts, studs, and stud bolts with a diameter ranging from 1/4 to 4 inches (6 mm to 100 mm). These fasteners are commonly used in a variety of applications, including: | Grade | Description | Typical Use |