SS 430 Couplings

The SS 430 Coupling is a vital forging component used to connect two pipes of the same size, allowing for a tight, reliable joint, especially in threaded or socket-weld piping systems. They are typically produced as Full Couplings (threaded end-to-end) or Half Couplings (threaded on one end only, for welding to a vessel) . Manufactured from Ferritic Stainless Steel Grade 430, these couplings are valued for their high chromium content (16-18%), which provides good corrosion resistance and outstanding oxidation resistance at elevated temperatures. Grade 430 is also magnetic. Zeron Fasteners manufactures these high-quality connectors using precise forging techniques, which consolidate the material's grain structure and ensure the strength needed to withstand pressure and installation loads. SS 430 Couplings are indispensable in applications like exhaust systems, instrumentation lines, and general plant utilities where a cost-effective, magnetic, and heat-resistant stainless steel connection is required.

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SS 430 Couplings Chemical Composition

SS 430 Couplings Chemical Composition & Table in html

Element Composition (%)
Carbon (C) ≤ 0.12
Chromium (Cr) 16.00 - 18.00
Manganese (Mn) ≤ 1.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.040
Sulphur (S) ≤ 0.030
Nickel (Ni) ≤ 0.60
Iron (Fe) Balance

SS 430 Couplings Mechanical Properties

SS 430 Couplings Mechanical Properties & Table in html

Property Minimum Value (Annealed) Unit
Tensile Strength ($R_m$) 450 MPa
Yield Strength ($R_{p0.2}$) 205 MPa
Hardness (Brinell, HB) ≤ 217 HBW
Elongation After Fracture ($A$) 22 %

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