{"product_id":"316l-stainless-steel-valve-stem-metering-pump-valve-core-precision-casting","title":"316L Stainless Steel Valve Stem \u0026 Metering Pump Valve Core Precision Casting","description":"\u003ch2\u003e316L Stainless Steel Valve Stem \u0026amp; Metering Pump Valve Core Precision Casting\u003c\/h2\u003e\n\u003cp\u003eWhen precision fluid control is critical, the quality of your valve stem and valve core components makes all the difference. Our 316L stainless steel valve stems and metering pump valve core castings are manufactured using the lost-wax investment casting process, delivering exceptional dimensional accuracy, surface integrity, and corrosion resistance — essential for reliable sealing and long service life in demanding chemical, pharmaceutical, and industrial fluid systems.\u003c\/p\u003e\n\u003ch2\u003eMaterial Properties\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e AISI 316L (equivalent to 1.4404 \/ SUS316L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e ≥485 MPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYield Strength:\u003c\/strong\u003e ≥170 MPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e ≤217 HB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Content:\u003c\/strong\u003e ≤0.03% — low carbon grade for superior weld corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolybdenum Content:\u003c\/strong\u003e 2–3% — significantly enhances resistance to chloride pitting and crevice corrosion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e Suitable for cryogenic to 870°C service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiocompatibility:\u003c\/strong\u003e Suitable for pharmaceutical, food-grade, and medical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCasting Process \u0026amp; Quality\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e Lost-wax investment casting for precise near-net-shape geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional Tolerance:\u003c\/strong\u003e CT6 per ISO 8062\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Roughness:\u003c\/strong\u003e Ra 1.6–3.2 μm (post-polishing available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-processing options:\u003c\/strong\u003e CNC turning\/grinding, lapping, electropolishing, passivation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing surface finish:\u003c\/strong\u003e Mirror polishing available for critical sealing faces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality inspection:\u003c\/strong\u003e Dimensional check, dye penetrant testing (PT), hardness testing available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior corrosion resistance:\u003c\/strong\u003e 316L’s molybdenum content provides outstanding resistance to chlorides, acids, and process chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise sealing geometry:\u003c\/strong\u003e Tight tolerances on seating surfaces ensure leak-free valve performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow carbon grade:\u003c\/strong\u003e Eliminates sensitization risk in welded assemblies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent wear resistance:\u003c\/strong\u003e Maintains dimensional integrity under repeated actuation cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom configurations:\u003c\/strong\u003e Stem diameter, thread form, seat angle, port geometry, and surface finish per your specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMetering pump valve cores and seats\u003c\/li\u003e\n\u003cli\u003eGate, globe, and needle valve stems\u003c\/li\u003e\n\u003cli\u003eChemical dosing and injection systems\u003c\/li\u003e\n\u003cli\u003ePharmaceutical and biotech process valves\u003c\/li\u003e\n\u003cli\u003eFood and beverage flow control components\u003c\/li\u003e\n\u003cli\u003eSeawater and marine fluid systems\u003c\/li\u003e\n\u003cli\u003eHigh-purity water treatment equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCustom Order Process\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSubmit your drawing (STEP, DXF, DWG, or PDF) or sample part\u003c\/li\u003e\n\u003cli\u003eReceive detailed quotation within 24–48 hours\u003c\/li\u003e\n\u003cli\u003ePrototype approval before mass production\u003c\/li\u003e\n\u003cli\u003eLead time: typically 30 days depending on complexity and quantity\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eReady to discuss your requirements? \u003ca href=\"\/en\/pages\/request-a-quote\"\u003eContact us for a custom quote\u003c\/a\u003e — our engineering team is ready to assist.\u003c\/p\u003e","brand":"xiechun Metal Casting Supplier","offers":[{"title":"Default Title","offer_id":48564043677923,"sku":null,"price":14.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/4816\/4067\/files\/30.png?v=1774843689","url":"https:\/\/www.xiechuncasting.com\/en\/products\/316l-stainless-steel-valve-stem-metering-pump-valve-core-precision-casting","provider":"xiechun Metal Casting Supplier","version":"1.0","type":"link"}