{"product_id":"lincoln-electric-le-b-248-h4r-low-hydrogen-welding-electrode-for-carbon-and-low-alloy-steel-e7018-1-h4r","title":"Lincoln Electric LE B-248 H4R Low-Hydrogen Welding Electrode for Carbon and Low-Alloy Steel - E7018-1 H4R","description":"\u003cp\u003eThe \u003cstrong\u003eLincoln Electric LE B-248 H4R\u003c\/strong\u003e is a \u003cstrong\u003elow-hydrogen stick welding electrode\u003c\/strong\u003e classified to \u003cstrong\u003eAWS A5.1 E7018-1 H4R\u003c\/strong\u003e, designed for \u003cstrong\u003eSMAW\/MMA welding\u003c\/strong\u003e on carbon and suitable low-alloy steels. Its \u003cstrong\u003emoisture-resistant H4R basic coating\u003c\/strong\u003e delivers a diffusible hydrogen level of no more than 4ml per 100g of deposited weld metal, making it well suited to structurally demanding applications. Available in \u003cstrong\u003e2.5mm, 3.25mm and 4.0mm diameters\u003c\/strong\u003e at a standard 350mm length, it is a reliable choice for structural fabrication, heavy steel components and rigidly restrained structures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBasic-coated stick electrode for SMAW\/MMA welding on carbon and suitable low-alloy steels\u003c\/li\u003e\n\u003cli\u003eH4R moisture-resistant classification with diffusible hydrogen not exceeding 4ml per 100g of deposited weld metal\u003c\/li\u003e\n\u003cli\u003eHigh resistance to weld-metal cracking, suitable for rigidly restrained steel structures\u003c\/li\u003e\n\u003cli\u003eRuns on DC Electrode Positive (DC+) current\u003c\/li\u003e\n\u003cli\u003eMetal recovery of approximately 125%\u003c\/li\u003e\n\u003cli\u003eSuitable for all standard welding positions (E7018-1 classification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAWS Classification:\u003c\/strong\u003e AWS A5.1 E7018-1 H4R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN ISO Classification:\u003c\/strong\u003e EN ISO 2560-A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Process:\u003c\/strong\u003e SMAW \/ MMA \/ Manual Metal Arc Welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Type:\u003c\/strong\u003e Basic, Moisture Resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrogen Classification:\u003c\/strong\u003e H4R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Materials:\u003c\/strong\u003e Carbon and Suitable Low-Alloy Steels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Current:\u003c\/strong\u003e DC Electrode Positive \/ DC+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Diameters:\u003c\/strong\u003e 2.5mm, 3.25mm, 4.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode Length:\u003c\/strong\u003e 350mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Recovery:\u003c\/strong\u003e Approximately 125%\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lincoln","offers":[{"title":"2.50mm X 350mm","offer_id":44209256431750,"sku":"E7018-1 H4R-1","price":516.0,"currency_code":"GHS","in_stock":true},{"title":"3.25mm X 350mm","offer_id":44209256464518,"sku":"E7018-1 H4R-2","price":500.0,"currency_code":"GHS","in_stock":true},{"title":"4.00mm X 350mm","offer_id":44209256497286,"sku":"E7018-1 H4R-3","price":565.0,"currency_code":"GHS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0115\/4872\/1218\/files\/ChatGPTImageAug3_2026_01_06_06PM.png?v=1785762403","url":"https:\/\/supplymaster.store\/products\/lincoln-electric-le-b-248-h4r-low-hydrogen-welding-electrode-for-carbon-and-low-alloy-steel-e7018-1-h4r","provider":"Supply Master","version":"1.0","type":"link"}