UNS S31803 Flanges & Supplier India

Zeron Fasteners is a reputed manufacturer and supplier of UNS S31803 Flanges, designed for use in demanding duplex & super duplex applications. Our flanges are built for strength, corrosion resistance, and long-lasting performance in harsh industrial environments.

UNS S31803 Flanges

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Chemical Composition

Element C Mn P S Si Cr Ni Mo N
Content (%) 0.03 max 1.50 max 0.04 max 0.03 max 0.75 max 21.0-23.0 4.5-6.5 2.5-3.5 0.10-0.20

Mechanical Properties

Property Value
Tensile Strength 75 ksi (517 MPa) min
Yield Strength 30 ksi (207 MPa) min
Elongation 25% min
Hardness Max 90 HRB

Available Sizes & Standards

Standard Size Range Grade
ASME B16.5 / ASTM A182 1/2" - 48" UNS S31803

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