Weld Neck Flange Back-Up Rings

Zeron Fasteners supplies high-quality Weld Neck Flange Back-Up Rings designed to provide additional strength and sealing reliability in flange joint assemblies. These rings are commonly used in high-pressure and corrosive piping systems, especially when dealing with plastic or non-metallic pipes mated to metal flanges.

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Weld Neck Flange Back-Up Rings

Weld Neck Flange Back-Up Rings Chemical Composition

Element C Mn P S Si Cr Ni Mo
Content (%) ≤ 0.08 ≤ 2.00 ≤ 0.045 ≤ 0.030 ≤ 1.00 16.0 – 18.0 10.0 – 14.0 2.0 – 3.0

Weld Neck Flange Back-Up Rings Mechanical Properties

Tensile Strength Yield Strength (0.2% offset) Elongation Hardness
≥ 515 MPa ≥ 205 MPa ≥ 40% ≤ 95 HRB

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