ASTM A307 Weld Neck Flanges

An ASTM A307 Weld Neck Flange is a specific type of pipe flange characterized by its long, tapered hub that is butt-welded to the pipe. This design provides reinforcement and reduces turbulence and erosion at the flange-pipe junction, making the connection strong and reducing stress concentration. While the ASTM A307 specification covers low-tensile carbon steel primarily used for general-purpose bolting, the material is utilized for manufacturing forging components like Weld Neck Flanges intended for low-pressure, low-temperature services. Zeron Fasteners manufactures these flanges in strict compliance with dimensional standards like ASME B16.5, providing reliable components for non-critical pipelines, including water distribution and low-hazard industrial lines.

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ASTM A307 Weld Neck Flanges Manufacturer in India

ASTM A307 Weld Neck Flanges Chemical Composition

Element Composition Requirements (Based on A307 Material)
Carbon (C) 0.29 max
Manganese (Mn) 1.20 max
Phosphorus (P) 0.040 max
Sulfur (S) 0.050 max
Copper (Cu) 0.25 minimum (if specified)

ASTM A307 Weld Neck Flanges Mechanical Properties

Property Minimum Requirement (Based on A307 Material)
Tensile Strength, minimum 60 ksi (415 MPa)
Yield Strength Not Specified
Elongation in 2 in., minimum 18%
Hardness (Rockwell B) B71 to B95

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