1/4 inch x 3-1/2 inch Stainless Steel Nipple

1/4" x 3-1/2" 304 Stainless Steel Nipple – Threaded Schedule 40

The 1/4" x 3-1/2" stainless steel nipple is manufactured from 304 grade stainless steel and is intended for use in piping systems where corrosion resistance, mechanical durability, and dimensional integrity are required. This component is commonly used for connecting sections of threaded pipe in low- to medium-pressure water, air, gas, and chemical applications.

Fabricated to meet ASME B1.20.1 standards, this nipple features National Pipe Taper (NPT) threads on both ends to ensure a tight, pressure-rated seal when installed with approved thread sealant. The 304 stainless alloy composition includes chromium and nickel, offering excellent resistance to oxidation and chemical exposure in demanding conditions.

Product Features

• ✅ Material: 304 Stainless Steel – corrosion-resistant and suitable for potable and non-potable systems
• ✅ Size: Nominal 1/4" diameter x 3-1/2" overall length
• ✅ Connection Type: NPT threaded male ends
• ✅ Standard: Conforms to ASTM A733 and ASME B1.20.1 specifications
• ✅ Wall Thickness: Schedule 40

Installation Considerations

Threaded nipples should be installed using an appropriate pipe wrench and thread sealant such as PTFE tape or pipe dope. Avoid over-torquing to prevent thread deformation. Ensure compatibility of mating materials and verify application pressure and temperature limits.

Common Applications

This stainless steel nipple is widely used in:

• Commercial and industrial fluid transfer systems
• Water filtration and chemical processing lines
• Compressed air and hydraulic systems
• Gas distribution networks (non-combustible lines unless rated accordingly)

Material Advantages

304 stainless steel offers a balance of corrosion resistance, tensile strength, and weldability. It is non-magnetic in the annealed condition and suitable for exposure to many acidic or chlorinated environments. Additionally, stainless fittings are fully recyclable at the end of their service life.

Note: For applications involving aggressive chemicals or higher chloride concentrations, verify material compatibility or consider 316 stainless as an alternative.