SS 304 Couplings

SS 304 Couplings are small but vital pipe fittings used to connect two pieces of pipe or a pipe to another fitting or component, most often via internal threading. They are essential for extending pipe runs or for making temporary/semi-permanent connections that may require future disassembly. Couplings are manufactured using precision machining and sometimes forging from solid stainless steel bar stock, ensuring superior thread engagement and sealing capability. The SS 304 grade is a standard choice, providing excellent corrosion resistance against atmospheric conditions and many mild chemicals. Key applications include connecting small-bore piping in instrumentation, hydraulics, steam lines, and general plumbing systems. Zeron Fasteners manufactures and supplies a variety of high-integrity SS 304 couplings, including Full Couplings (for joining two equal size pipes), Half Couplings, and Reducing Couplings, all meeting strict pressure ratings and thread standards for secure joint performance.

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SS 304 Couplings Manufacturer in India

SS 304 Coupling Chemical Composition

Element Composition (%)
Carbon (C) Max 0.08
Chromium (Cr) 18.00 to 20.00
Nickel (Ni) 8.00 to 10.50
Manganese (Mn) Max 2.00
Silicon (Si) Max 1.00
Phosphorus (P) Max 0.045
Sulfur (S) Max 0.030

SS 304 Coupling Standards & Types

Type / Specification Applicable Standard
Threaded Couplings ASME B16.11 / ASTM A182
Socket-Weld Couplings ASME B16.11 / ASTM A182
Coupling Types Full, Half, or Reducing
Pressure Class 2000 LB, 3000 LB, 6000 LB

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