{"product_id":"1-1-4-schedule-5-seamless-pipe-321-stainless-4-foot-length","title":"1-1\/4\" Schedule 5 Seamless Pipe 321 Stainless - 4 Foot Length","description":"\u003ch5\u003e1-1\/4\" Schedule 5 Seamless Pipe – 321 Stainless Steel\u003c\/h5\u003e \u003cp\u003ePNW Sanitary 321 stainless steel Schedule 5 seamless pipe is manufactured for nominal pipe size (NPS) stainless piping systems operating in elevated temperature environments. Produced to ASTM A312 specifications, this pipe is engineered for industrial fabrication, thermal processing systems, exhaust applications, and other installations where enhanced resistance to heat-related corrosion is required.\u003c\/p\u003e \u003cp\u003e321 stainless steel is titanium-stabilized to reduce the risk of intergranular corrosion and weld decay in heat-affected zones during sustained high-temperature service or repeated thermal cycling. Schedule 5 wall thickness (approximately 0.065\") provides a lightweight solution suited for fabrication projects and industrial assemblies where structural load and pressure demands are moderate.\u003c\/p\u003e \u003cp\u003eSeamless construction eliminates internal weld seams, ensuring uniform wall thickness and consistent structural integrity. Pipe is ink-stamped “Ace Race Parts” for manufacturing identification.\u003c\/p\u003e\n\n\u003cb\u003eFeatures\u003c\/b\u003e\n\n\u003cul\u003e \u003cli\u003eMaterial: 321 stainless steel (titanium-stabilized)\u003c\/li\u003e \u003cli\u003eWall thickness: Schedule 5 (approx. 0.065\")\u003c\/li\u003e \u003cli\u003eSeamless construction (no internal weld seam)\u003c\/li\u003e \u003cli\u003eSpecification: ASTM A312\u003c\/li\u003e \u003cli\u003eEnhanced resistance to heat-related corrosion and weld decay\u003c\/li\u003e \u003cli\u003eLightweight construction for fabrication efficiency\u003c\/li\u003e \u003cli\u003eInk-stamped for manufacturer identification\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003cb\u003eApplications \u0026amp; Compatibility\u003c\/b\u003e\n\n\u003cp\u003eCommonly used in high-temperature industrial piping, exhaust systems, thermal processing lines, and fabricated stainless assemblies requiring improved resistance to sustained heat exposure. Compatible with standard NPS Schedule 5 stainless butt-weld fittings manufactured to ASME B16.9 dimensions. Not intended for sanitary clamp-style or hygienic ferrule-based systems.\u003c\/p\u003e\n\n\u003cb\u003eQuality \u0026amp; Material Verification\u003c\/b\u003e\n\n\u003cp\u003ePNW Sanitary verifies stainless steel pipe through in-house Positive Material Identification (PMI) using the SciAps X-550 handheld XRF spectrometer to confirm alloy chemistry and support material traceability.\u003c\/p\u003e","brand":"PNW Sanitary","offers":[{"title":"Default Title","offer_id":51609035145514,"sku":"50052","price":68.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7103\/3642\/files\/3b919cf9-bb03-4dd2-ae5f-30889b9d3a89.jpg?v=1780118900","url":"https:\/\/equipmentleader.com\/products\/1-1-4-schedule-5-seamless-pipe-321-stainless-4-foot-length","provider":"Equipment Leader","version":"1.0","type":"link"}