{"product_id":"c17200-beryllium-copper-sheet-becu-flat-stock-metal-plate","title":"C17200 Beryllium Copper Sheets BeCu Board Flat Stock Metal Plate Thick 0.5mm-5mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eC17200 Beryllium Copper Sheet — Spring-Grade BeCu Flat Stock for Precision Applications\u003c\/h2\u003e\n\u003cp\u003eEngineers and makers who need a metal that combines electrical conductivity with spring-like resilience often hit a wall with standard copper or brass. C17200 beryllium copper sheet stock is the go-to solution for contact springs, precision tooling, and non-sparking fixtures — available here in cut-to-size flat plates ready for your next build.\u003c\/p\u003e\n\u003cp\u003eEach piece is machined from C17200 BeCu alloy (UNS C17200), a copper-beryllium composition delivering tensile strength typically in the range of 1,100–1,400 MPa in the age-hardened condition. Sheets are available in widths of 100 mm (~3.94 in) or 200 mm (~7.87 in), lengths of 100 mm (~3.94 in) or 200 mm (~7.87 in), and thicknesses ranging from 0.5 mm (~0.020 in) to 5.0 mm (~0.197 in). Surfaces are flat-rolled with a smooth mill finish.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include electrical contact spring blanks for relay and switch assemblies, non-sparking tooling inserts for hazardous-environment maintenance, and precision shim stock for aerospace and semiconductor fixture alignment — all applications where beryllium copper flat stock outperforms standard alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for CNC milling, EDM wire cutting, stamping, and manual machining. Compatible with standard copper-alloy tooling and brazing\/soldering processes. Age-hardenable per ASTM B194 \/ AMS 4530 specifications.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These C17200 Beryllium Copper Sheets\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n\u003cstrong\u003eExceptional Spring Strength\u003c\/strong\u003e\n\u003cp\u003eC17200 BeCu achieves tensile strength of 1,100–1,400 MPa after age hardening, making it ideal for contact springs and snap-action components that must retain shape under repeated deflection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n\u003cstrong\u003eHigh Electrical Conductivity\u003c\/strong\u003e\n\u003cp\u003eElectrical conductivity of approximately 22–28% IACS — far superior to most spring steels — enabling use in live electrical contacts, bus bars, and conductive shims without sacrificing mechanical performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n\u003cstrong\u003eCorrosion \u0026amp; Oxidation Resistance\u003c\/strong\u003e\n\u003cp\u003eThe copper-beryllium matrix resists oxidation, salt spray, and many industrial chemicals, extending service life in humid, marine, or chemically active environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\n\u003cstrong\u003eNon-Sparking \u0026amp; Non-Magnetic\u003c\/strong\u003e\n\u003cp\u003eCertified non-sparking and non-magnetic, making BeCu flat stock the material of choice for tools and fixtures used near flammable gases, fuels, or sensitive electronic equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n\u003cstrong\u003eMultiple Size Options\u003c\/strong\u003e\n\u003cp\u003eChoose from 18 size combinations — 100×100 mm to 200×200 mm footprints, thicknesses from 0.5 mm to 5.0 mm — so you get the exact blank you need without paying for excess material.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\n\u003cstrong\u003eMachinable Flat-Rolled Finish\u003c\/strong\u003e\n\u003cp\u003eFlat-rolled mill surface provides consistent thickness tolerance and a clean starting face for CNC routing, wire EDM, stamping, or hand filing without additional surface prep.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Beryllium Copper Flat Stock\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy Designation\u003c\/th\u003e\n\u003ctd\u003eC17200 (UNS C17200 \/ CuBe2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBeryllium Copper (BeCu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBeryllium Content\u003c\/th\u003e\n\u003ctd\u003eApproximately 1.8–2.0 wt%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemper \/ Condition\u003c\/th\u003e\n\u003ctd\u003eSee variant options (typically mill-hardened or solution-annealed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength (age-hardened)\u003c\/th\u003e\n\u003ctd\u003eTypically 1,100–1,400 MPa (160–200 ksi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Conductivity\u003c\/th\u003e\n\u003ctd\u003eApproximately 22–28% IACS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal Conductivity\u003c\/th\u003e\n\u003ctd\u003eApproximately 105–130 W\/m·K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDensity\u003c\/th\u003e\n\u003ctd\u003eApproximately 8.25 g\/cm³ (0.298 lb\/in³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth Options\u003c\/th\u003e\n\u003ctd\u003e100 mm (~3.94 in) \/ 200 mm (~7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Options\u003c\/th\u003e\n\u003ctd\u003e100 mm (~3.94 in) \/ 200 mm (~7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness Range\u003c\/th\u003e\n\u003ctd\u003e0.5 mm – 5.0 mm (0.020 in – 0.197 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eFlat-rolled mill finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplicable Standards\u003c\/th\u003e\n\u003ctd\u003eASTM B194 \/ AMS 4530 (reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnetic Properties\u003c\/th\u003e\n\u003ctd\u003eNon-magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpark Characteristics\u003c\/th\u003e\n\u003ctd\u003eNon-sparking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Form\u003c\/th\u003e\n\u003ctd\u003eFlat plate \/ sheet stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right thickness for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor electrical contact springs and thin shims, 0.5–1.0 mm is typically sufficient. For structural brackets, tooling inserts, or components requiring higher rigidity, 1.5–3.0 mm is common. Heavy-duty non-sparking tool blanks often use 5.0 mm stock. Select your Width×Length×Thickness combination from the variant dropdown above.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs C17200 beryllium copper stronger than stainless steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eIn the age-hardened condition, C17200 BeCu achieves tensile strength of 1,100–1,400 MPa, which is comparable to many grades of hardened stainless steel. Its key advantage over stainless is its combination of high strength \u003cem\u003eand\u003c\/em\u003e electrical conductivity — stainless steel is a poor conductor, while BeCu excels in both properties simultaneously.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this sheet corrode or tarnish in humid or outdoor environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eC17200 BeCu has good resistance to atmospheric corrosion, salt spray, and many industrial chemicals due to its copper-rich matrix. In highly aggressive environments (strong acids, ammonia), a protective coating is recommended. For most indoor and light outdoor applications, the material performs reliably without additional treatment.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I machine or cut this sheet with standard tools?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. In the solution-annealed (soft) condition, C17200 BeCu machines similarly to medium-hard brass and can be cut with carbide or HSS tooling, sheared, punched, or wire-EDM'd. After age hardening, machinability decreases, so it is best to perform major cutting operations before the final heat treatment cycle.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs beryllium copper safe to handle and machine?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSolid BeCu sheet stock is safe to handle with bare hands. The health risk associated with beryllium arises from inhalation of fine dust or fumes generated during grinding, sanding, or welding. Always use appropriate respiratory protection (P100 respirator), local exhaust ventilation, and follow applicable occupational safety regulations when machining or finishing BeCu.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat size should I order if I need a custom shape?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eOrder the smallest standard blank that fully contains your finished part dimensions, leaving adequate material for fixturing and finishing cuts. For example, if your finished part is 85×85 mm, the 100×100 mm blank is the correct starting size. If your part is 150×90 mm, choose the 200×100 mm blank.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this material compatible with soldering and brazing?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. C17200 BeCu can be soldered with standard tin-lead or lead-free solders and brazed with silver-based filler alloys. Flux selection is important — use a flux rated for copper alloys. Avoid prolonged high-temperature exposure that could alter the age-hardened temper; perform heat treatment after any brazing operation if maximum strength is required.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your Width×Length×Thickness above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right thickness for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For electrical contact springs and thin shims, 0.5–1.0 mm is typically sufficient. For structural brackets, tooling inserts, or components requiring higher rigidity, 1.5–3.0 mm is common. Heavy-duty non-sparking tool blanks often use 5.0 mm stock.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is C17200 beryllium copper stronger than stainless steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"In the age-hardened condition, C17200 BeCu achieves tensile strength of 1,100–1,400 MPa, comparable to many grades of hardened stainless steel, while also offering high electrical conductivity.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this sheet corrode or tarnish in humid or outdoor environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C17200 BeCu has good resistance to atmospheric corrosion, salt spray, and many industrial chemicals. In highly aggressive environments a protective coating is recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I machine or cut this sheet with standard tools?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. In the solution-annealed condition, C17200 BeCu machines similarly to medium-hard brass and can be cut with carbide or HSS tooling, sheared, punched, or wire-EDM'd.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is beryllium copper safe to handle and machine?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Solid BeCu sheet stock is safe to handle. Health risks arise from inhalation of fine dust during grinding or welding. Always use P100 respiratory protection and local exhaust ventilation when machining BeCu.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What size should I order if I need a custom shape?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Order the smallest standard blank that fully contains your finished part dimensions. For example, if your part is 85×85 mm, choose the 100×100 mm blank.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this material compatible with soldering and brazing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. C17200 BeCu can be soldered with standard tin-lead or lead-free solders and brazed with silver-based filler alloys. Use a flux rated for copper alloys.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"100*100*1.5mm \/ 1Pcs","offer_id":52411421884690,"sku":"FXLGLBZSJ012530x1","price":18.84,"currency_code":"USD","in_stock":true},{"title":"100*100*2.0mm \/ 1Pcs","offer_id":52411421917458,"sku":"FXLGLBZSJ012531x1","price":30.86,"currency_code":"USD","in_stock":true},{"title":"100*200*0.5mm \/ 1Pcs","offer_id":52411421950226,"sku":"FXLGLBZSJ012532x1","price":13.31,"currency_code":"USD","in_stock":true},{"title":"100*200*0.8mm \/ 1Pcs","offer_id":52411421982994,"sku":"FXLGLBZSJ012533x1","price":19.98,"currency_code":"USD","in_stock":true},{"title":"100*200*1.0mm \/ 1Pcs","offer_id":52411422015762,"sku":"FXLGLBZSJ012534x1","price":24.74,"currency_code":"USD","in_stock":true},{"title":"200*200*0.5mm \/ 1Pcs","offer_id":52411422048530,"sku":"FXLGLBZSJ012535x1","price":24.28,"currency_code":"USD","in_stock":true},{"title":"100*100*3.0mm \/ 1Pcs","offer_id":52411422081298,"sku":"FXLA31-0x1","price":35.75,"currency_code":"USD","in_stock":true},{"title":"100*100*5.0mm \/ 1Pcs","offer_id":52411422114066,"sku":"FXLA31-1x1","price":58.74,"currency_code":"USD","in_stock":true},{"title":"100*200*1.5mm \/ 1Pcs","offer_id":52411422146834,"sku":"FXLA31-2x1","price":35.75,"currency_code":"USD","in_stock":true},{"title":"100*200*2.0mm \/ 1Pcs","offer_id":52411422179602,"sku":"FXLA31-3x1","price":47.26,"currency_code":"USD","in_stock":true},{"title":"100*200*3.0mm \/ 1Pcs","offer_id":52411422212370,"sku":"FXLA31-4x1","price":70.24,"currency_code":"USD","in_stock":true},{"title":"100*200*5.0mm \/ 1Pcs","offer_id":52411422245138,"sku":"FXLA31-5x1","price":116.21,"currency_code":"USD","in_stock":true},{"title":"200*200*0.8mm \/ 1Pcs","offer_id":52411422277906,"sku":"FXLA31-6x1","price":38.2,"currency_code":"USD","in_stock":true},{"title":"200*200*1.0mm \/ 1Pcs","offer_id":52411422310674,"sku":"FXLA31-7x1","price":47.26,"currency_code":"USD","in_stock":true},{"title":"200*200*1.5mm \/ 1Pcs","offer_id":52411422343442,"sku":"FXLA31-8x1","price":70.24,"currency_code":"USD","in_stock":true},{"title":"200*200*2.0mm \/ 1Pcs","offer_id":52411422376210,"sku":"FXLA31-9x1","price":93.23,"currency_code":"USD","in_stock":true},{"title":"200*200*3.0mm \/ 1Pcs","offer_id":52411422408978,"sku":"FXLA31-10x1","price":139.47,"currency_code":"USD","in_stock":true},{"title":"200*200*5.0mm \/ 1Pcs","offer_id":52411422441746,"sku":"FXLA31-11x1","price":231.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture3of6_7fa26370-2e6c-494e-8037-79d53ea3007f.jpg?v=1782415100","url":"https:\/\/homediyer.com\/products\/c17200-beryllium-copper-sheet-becu-flat-stock-metal-plate","provider":"HomeDIYer","version":"1.0","type":"link"}