ASTM A307 Socket Weld Flanges

ASTM A307 Socket Weld Flanges refers to the assembly of standard carbon steel Socket Weld Flanges (typically conforming to ASTM A105) utilizing ASTM A307 Grade A or B bolting materials. Socket Weld Flanges (SWF) are designed for smaller bore, high-pressure, but non-critical piping systems. They feature a recessed area to receive the pipe, which is then welded around the exterior. The A307 specification covers carbon steel bolting materials for general purpose applications under mild pressure and temperature conditions (up to 450°F). Zeron Fastners supplies these components for general industrial utility lines, process piping, and systems where leak integrity is desired but the demanding strength of high-alloy bolting is not necessary.

Related Products

ASTM A307 Hex Bolts ASTM A307 Stud Bolts ASTM A307 Nuts Carbon Steel Socket Weld Flanges ASTM A307 Threaded Rods ASTM A307 Blind Flanges
ASTM A307 Socket Weld Flanges

ASTM A307 Grade A Bolting Chemical Composition (for Flange Assembly)

Element Content (%)
Carbon (C) 0.28 max
Manganese (Mn) 1.20 max
Phosphorus (P) 0.040 max
Sulfur (S) 0.050 max
Silicon (Si) —

ASTM A307 Grade A Bolting Mechanical Properties (for Flange Assembly)

Property Value (min)
Tensile Strength 60 ksi (414 MPa)
Yield Strength Not specified
Elongation in 2 in. (50mm) 18%
Hardness (Brinell max) N/A (Generally lower than 183 HB)

ASTM A307 Socket Weld Flanges Feature Products

Super Duplex S32750 Flanges Monel 400 Socket Cap Screws SS 316 Pipe Fittings Alloy Steel Cap Screws

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