{"product_id":"er4043-035-aluminum-mig-welding-wire-fabrication-repair","title":"ER4043-0.035\" 1lb - Aluminum MIG Welding Wire","description":"\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px dotted rgb(22, 51, 64); height: 234.02px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.9757%; background-color: rgb(240, 240, 240);\"\u003e \u003ccol style=\"width: 20.1035%;\"\u003e \u003ccol style=\"width: 29.9757%; background-color: rgb(240, 240, 240);\"\u003e \u003ccol style=\"width: 20.1035%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1602px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eMODEL\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003eER4043\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e\u003cstrong\u003eWIRE DIAMETER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e.035\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18.5898px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 18.5898px;\"\u003e\u003cstrong\u003eMATERIAL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 18.5898px;\"\u003eAluminum\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 18.5898px;\"\u003e\u003cstrong\u003eWEIGHT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 18.5898px;\"\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1602px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e\u003cstrong\u003e\u003cspan\u003eDENSITY\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e 0.097 Lbs\/in3\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e\u003cstrong\u003e\u003cspan\u003eMELTING RANGE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 39.1602px;\"\u003e\u003cspan\u003e1065 °F– 1170 °F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.3594px;\"\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 78.3594px;\"\u003e\u003cstrong\u003ePOST ANODIZING COLOR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 78.3594px;\"\u003e\u003cspan\u003eGray\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 78.3594px;\"\u003e\u003cstrong\u003eSHIELDING GAS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px dotted rgb(22, 51, 64); text-align: center; vertical-align: middle; padding: 8px; height: 78.3594px;\"\u003e100% Argon \u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eDeposited chemical composition \u003cspan\u003e(wt%): \u003cbr\u003eSi 5.2 \/ Fe 0.15 \/ Cu 0.009 \/ Mn 0.008 \/ Mg 0.006 \/ Zn 0.004 \/ Ti 0.07 \/ Al Rem \/ Be 0.0001\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n  \u003cdetails\u003e\n\u003csummary class=\"pgn_readmore\"\u003eRead More\u003c\/summary\u003e\n\u003ch1 data-section-id=\"1572z9f\" data-start=\"5531\" data-end=\"5640\"\u003eER4043 0.035\" Aluminum MIG Welding Wire for Fabrication, Repair, and High-Efficiency Welding\u003c\/h1\u003e\n\u003ch2 data-section-id=\"13rprqr\" data-start=\"5642\" data-end=\"5713\"\u003eDesigned for welders who need productivity and smooth aluminum welds\u003c\/h2\u003e\n\u003cp data-start=\"5715\" data-end=\"6002\"\u003eAluminum fabrication often requires a balance between deposition efficiency, weld quality, and operational consistency. Whether you're manufacturing components, repairing equipment, or building aluminum assemblies, selecting the right filler metal plays a major role in the final result.\u003c\/p\u003e\n\u003cp data-start=\"6004\" data-end=\"6367\"\u003eThe PGN Bearings ER4043 0.035\" Aluminum MIG Welding Wire is engineered to provide smooth feeding, excellent weld pool fluidity, and dependable welding performance across a wide range of aluminum applications. Its silicon-rich composition improves weld flow characteristics and helps reduce crack sensitivity during welding. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"6369\" data-end=\"6522\"\u003eThe 0.035\" configuration is commonly selected by welders seeking higher deposition rates while maintaining excellent bead appearance and process control.\u003c\/p\u003e\n\u003ch2 data-section-id=\"132gmcb\" data-start=\"6529\" data-end=\"6552\"\u003eHero Product Snippet\u003c\/h2\u003e\n\u003cp data-start=\"6554\" data-end=\"6790\"\u003eThe PGN Bearings ER4043 0.035\" Aluminum MIG Welding Wire delivers smooth feeding, outstanding weld pool fluidity, and reliable aluminum welding performance for fabrication and repair applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1b0xy1\" data-start=\"6797\" data-end=\"6824\"\u003eRecommended Applications\u003c\/h2\u003e\n\u003cp data-start=\"6826\" data-end=\"6882\"\u003eIdeal for production-oriented aluminum welding projects.\u003c\/p\u003e\n\u003cp data-start=\"6884\" data-end=\"6912\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul data-start=\"6914\" data-end=\"7137\"\u003e\n\u003cli data-section-id=\"3l65e\" data-start=\"6914\" data-end=\"6936\"\u003eAluminum fabrication\u003c\/li\u003e\n\u003cli data-section-id=\"1m92om6\" data-start=\"6937\" data-end=\"6955\"\u003eMarine equipment\u003c\/li\u003e\n\u003cli data-section-id=\"sr4m6v\" data-start=\"6956\" data-end=\"6979\"\u003eAutomotive components\u003c\/li\u003e\n\u003cli data-section-id=\"16wih39\" data-start=\"6980\" data-end=\"7002\"\u003eIndustrial equipment\u003c\/li\u003e\n\u003cli data-section-id=\"ae9aot\" data-start=\"7003\" data-end=\"7026\"\u003eTrailer manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"1oklvc4\" data-start=\"7027\" data-end=\"7048\"\u003eAluminum structures\u003c\/li\u003e\n\u003cli data-section-id=\"19w1gyh\" data-start=\"7049\" data-end=\"7069\"\u003eTubular assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"19c1x4q\" data-start=\"7070\" data-end=\"7092\"\u003eCast aluminum repair\u003c\/li\u003e\n\u003cli data-section-id=\"2zddsu\" data-start=\"7093\" data-end=\"7115\"\u003eCommercial equipment\u003c\/li\u003e\n\u003cli data-section-id=\"90fcen\" data-start=\"7116\" data-end=\"7137\"\u003eMaintenance welding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1nkllxq\" data-start=\"7144\" data-end=\"7185\"\u003eBuilt for Higher Deposition Efficiency\u003c\/h2\u003e\n\u003ch3 data-section-id=\"75lma4\" data-start=\"7187\" data-end=\"7221\"\u003eIncreased welding productivity\u003c\/h3\u003e\n\u003cp data-start=\"7223\" data-end=\"7303\"\u003eMany fabricators choose the 0.035\" wire size when efficiency becomes a priority.\u003c\/p\u003e\n\u003cp data-start=\"7305\" data-end=\"7322\"\u003eBenefits include:\u003c\/p\u003e\n\u003cul data-start=\"7324\" data-end=\"7430\"\u003e\n\u003cli data-section-id=\"1qbq41l\" data-start=\"7324\" data-end=\"7354\"\u003eHigher deposition capability\u003c\/li\u003e\n\u003cli data-section-id=\"znggg6\" data-start=\"7355\" data-end=\"7378\"\u003eImproved productivity\u003c\/li\u003e\n\u003cli data-section-id=\"9dtebu\" data-start=\"7379\" data-end=\"7411\"\u003eConsistent welding performance\u003c\/li\u003e\n\u003cli data-section-id=\"bved2j\" data-start=\"7412\" data-end=\"7430\"\u003eReduced downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"7432\" data-end=\"7550\"\u003eThis makes it particularly useful in fabrication and maintenance environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"16ycyd1\" data-start=\"7557\" data-end=\"7582\"\u003eReliable wire feeding\u003c\/h3\u003e\n\u003cp data-start=\"7584\" data-end=\"7649\"\u003eAluminum MIG welding depends heavily on consistent wire delivery.\u003c\/p\u003e\n\u003cp data-start=\"7651\" data-end=\"7667\"\u003eER4043 supports:\u003c\/p\u003e\n\u003cul data-start=\"7669\" data-end=\"7774\"\u003e\n\u003cli data-section-id=\"3i2zx7\" data-start=\"7669\" data-end=\"7697\"\u003eStable arc characteristics\u003c\/li\u003e\n\u003cli data-section-id=\"17dxych\" data-start=\"7698\" data-end=\"7719\"\u003eSmooth wire feeding\u003c\/li\u003e\n\u003cli data-section-id=\"1qxqxbt\" data-start=\"7720\" data-end=\"7746\"\u003eBetter weld pool control\u003c\/li\u003e\n\u003cli data-section-id=\"15z4j1d\" data-start=\"7747\" data-end=\"7774\"\u003eConsistent bead formation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"7776\" data-end=\"7857\"\u003eThese characteristics help improve welding efficiency throughout longer projects.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1rprv8g\" data-start=\"7864\" data-end=\"7894\"\u003eSuperior Weld Pool Fluidity\u003c\/h2\u003e\n\u003cp data-start=\"7896\" data-end=\"8052\"\u003eER4043 contains approximately 4.5%–6.0% silicon, which significantly improves weld pool behavior and wetting action. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"8054\" data-end=\"8073\"\u003eAdvantages include:\u003c\/p\u003e\n\u003cul data-start=\"8075\" data-end=\"8178\"\u003e\n\u003cli data-section-id=\"155xem9\" data-start=\"8075\" data-end=\"8101\"\u003eSmoother bead appearance\u003c\/li\u003e\n\u003cli data-section-id=\"xplmz7\" data-start=\"8102\" data-end=\"8125\"\u003eBetter puddle control\u003c\/li\u003e\n\u003cli data-section-id=\"c4pb0i\" data-start=\"8126\" data-end=\"8153\"\u003eImproved weld consistency\u003c\/li\u003e\n\u003cli data-section-id=\"eoytnl\" data-start=\"8154\" data-end=\"8178\"\u003eCleaner finished welds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"499yvo\" data-start=\"8185\" data-end=\"8213\"\u003eReduced Crack Sensitivity\u003c\/h2\u003e\n\u003cp data-start=\"8215\" data-end=\"8378\"\u003eOne of the primary reasons welders choose ER4043 is its ability to help minimize cracking concerns in aluminum fabrication. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"8380\" data-end=\"8397\"\u003eBenefits include:\u003c\/p\u003e\n\u003cul data-start=\"8399\" data-end=\"8499\"\u003e\n\u003cli data-section-id=\"eovrb0\" data-start=\"8399\" data-end=\"8426\"\u003eImproved weld reliability\u003c\/li\u003e\n\u003cli data-section-id=\"u52oy\" data-start=\"8427\" data-end=\"8456\"\u003eBetter structural integrity\u003c\/li\u003e\n\u003cli data-section-id=\"14wa716\" data-start=\"8457\" data-end=\"8473\"\u003eReduced rework\u003c\/li\u003e\n\u003cli data-section-id=\"10n976v\" data-start=\"8474\" data-end=\"8499\"\u003eMore consistent results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"18d9d42\" data-start=\"8506\" data-end=\"8547\"\u003eCompatible with Common Aluminum Alloys\u003c\/h2\u003e\n\u003cp data-start=\"8549\" data-end=\"8576\"\u003eER4043 is widely used with:\u003c\/p\u003e\n\u003cul data-start=\"8578\" data-end=\"8675\"\u003e\n\u003cli data-section-id=\"ws7p0j\" data-start=\"8578\" data-end=\"8593\"\u003e6061 aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"1v89eox\" data-start=\"8594\" data-end=\"8609\"\u003e6063 aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"1fa7zaa\" data-start=\"8610\" data-end=\"8625\"\u003e3003 aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"hqcf0l\" data-start=\"8626\" data-end=\"8641\"\u003e3004 aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"eq5jc5\" data-start=\"8642\" data-end=\"8675\"\u003eCompatible cast aluminum alloys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"8677\" data-end=\"8803\"\u003eIts versatility has made it one of the industry's most popular aluminum welding wires. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1xe5wek\" data-start=\"8810\" data-end=\"8851\"\u003eExcellent for Manufacturing and Repair\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1q8zylm\" data-start=\"8853\" data-end=\"8876\"\u003eAluminum Structures\u003c\/h3\u003e\n\u003cp data-start=\"8878\" data-end=\"8929\"\u003eSupports fabrication of welded aluminum assemblies.\u003c\/p\u003e\n\u003ch3 data-section-id=\"upkb4c\" data-start=\"8931\" data-end=\"8958\"\u003eAutomotive Applications\u003c\/h3\u003e\n\u003cp data-start=\"8960\" data-end=\"9008\"\u003eFrequently used for aluminum vehicle components.\u003c\/p\u003e\n\u003ch3 data-section-id=\"8i9u7w\" data-start=\"9010\" data-end=\"9036\"\u003eIndustrial Maintenance\u003c\/h3\u003e\n\u003cp data-start=\"9038\" data-end=\"9094\"\u003eSuitable for repairing and restoring aluminum equipment.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"9101\" data-end=\"9116\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"9118\" data-end=\"9370\"\u003e\n\u003cli data-section-id=\"ezco4c\" data-start=\"9118\" data-end=\"9144\"\u003eER4043 aluminum MIG wire\u003c\/li\u003e\n\u003cli data-section-id=\"1aczjs7\" data-start=\"9145\" data-end=\"9179\"\u003eSilicon-enhanced alloy chemistry\u003c\/li\u003e\n\u003cli data-section-id=\"h0i55o\" data-start=\"9180\" data-end=\"9210\"\u003eExcellent weld pool fluidity\u003c\/li\u003e\n\u003cli data-section-id=\"3jg8bq\" data-start=\"9211\" data-end=\"9243\"\u003eSmooth feeding characteristics\u003c\/li\u003e\n\u003cli data-section-id=\"13ns2fy\" data-start=\"9244\" data-end=\"9274\"\u003eHigher deposition efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"w4srg9\" data-start=\"9275\" data-end=\"9302\"\u003eReduced crack sensitivity\u003c\/li\u003e\n\u003cli data-section-id=\"1t12hxj\" data-start=\"9303\" data-end=\"9333\"\u003eProfessional weld appearance\u003c\/li\u003e\n\u003cli data-section-id=\"sjgkwx\" data-start=\"9334\" data-end=\"9370\"\u003eBroad aluminum alloy compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"9377\" data-end=\"9383\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1xxpxss\" data-start=\"9385\" data-end=\"9414\"\u003eWhy choose ER4043 0.035\"?\u003c\/h3\u003e\n\u003cp data-start=\"9416\" data-end=\"9544\"\u003eIt provides an excellent balance of productivity, weld quality, and operational control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1t76amv\" data-start=\"9546\" data-end=\"9594\"\u003eIs ER4043 suitable for aluminum fabrication?\u003c\/h3\u003e\n\u003cp data-start=\"9596\" data-end=\"9739\"\u003eYes. It is one of the most widely used aluminum filler metals in manufacturing and repair applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1qpxtck\" data-start=\"9741\" data-end=\"9792\"\u003eWhat benefits does the silicon content provide?\u003c\/h3\u003e\n\u003cp data-start=\"9794\" data-end=\"9903\"\u003eIt improves weld pool fluidity, wetting action, and crack resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"s3dd7n\" data-start=\"9905\" data-end=\"9947\"\u003eDoes ER4043 produce smooth weld beads?\u003c\/h3\u003e\n\u003cp data-start=\"9949\" data-end=\"10067\"\u003eYes. It is well known for clean bead appearance and excellent weld aesthetics. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"w2whl2\" data-start=\"10069\" data-end=\"10105\"\u003eCan it be used on cast aluminum?\u003c\/h3\u003e\n\u003cp data-start=\"10107\" data-end=\"10217\"\u003eYes. ER4043 is commonly used for cast aluminum repair and restoration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s7u7xn\" data-start=\"10219\" data-end=\"10260\"\u003eWhat shielding gas is typically used?\u003c\/h3\u003e\n\u003cp data-start=\"10262\" data-end=\"10373\"\u003ePure Argon is commonly recommended for ER4043 MIG welding applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n","brand":"PGN Bearings","offers":[{"title":"Default Title","offer_id":39997294608497,"sku":"WW-ER4043-035-1LB","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0038\/9342\/8337\/files\/ER4043-35-1-1_d1fa87ed-641e-448c-9308-fd81276cc597.jpg?v=1757956109","url":"https:\/\/pgnbearings.com\/products\/er4043-035-aluminum-mig-welding-wire-fabrication-repair","provider":"PGN","version":"1.0","type":"link"}