{"product_id":"kobelco-tig-wire-er90s-b3mn","title":"Kobelco - TIG Wire - ER90S-B3Mn","description":"\u003cp\u003eKobelco TG-S2CM is a premium solid TIG (GTAW) welding rod within Kobelco's TRUSTARC series. \u003cbr\u003e\n It is engineered for high-temperature, low-alloy creep-resisting steel applications and conforms strictly to the AWS A5.28 ER90S-B3 industry classification (often dual-classified as ER90S-B3Mn depending on regional standardizations).\u003cbr\u003e\n \u003cbr\u003e\n Key Specifications \u0026amp; Applications\u003cbr\u003e\n Target Materials: Engineered explicitly for welding 2.25% Chromium and 1% Molybdenum creep-resistant steels. It is the primary choice for joining ASTM A387 Grade 22 plates, A335 Grade P22 pipes, and A213 Grade T22 boiler tubes.\u003cbr\u003e\n Metallurgical Design: Features a higher alloy content than the S1CM variant. It is enriched with Manganese (Mn) and Silicon (Si) to improve puddle fluidity, ensure clean deoxidation, and deliver exceptional high-temperature tensile and creep rupture strength.\u003cbr\u003e\n Welding Process: Handled via Gas Tungsten Arc Welding (GTAW \/ TIG), operating on Direct Current Electrode Negative (DCEN) polarity.\u003cbr\u003e\n Shielding Gas Requirements: Requires 100% Pure Argon gas for the torch shield. Unlike the TG-X flux-cored series, this solid rod requires an Argon gas back-purge during root-pass welding to prevent backside atmospheric oxidation.\u003cbr\u003e\n Common Use Cases: Widely specified for root, fill, and cap passes in heavy industrial boilers, oil refinery processing equipment, chemical reactors, and high-pressure steam lines operating up to 575°C.\u003c\/p\u003e","brand":"Kobelco","offers":[{"title":"TG-S2CM \/ 1.6","offer_id":56031591268644,"sku":"KB.ER80SB3MN.T160","price":830.0,"currency_code":"INR","in_stock":true},{"title":"TG-S2CM \/ 2","offer_id":56031591301412,"sku":"KB.ER80SB3MN.T200","price":760.0,"currency_code":"INR","in_stock":true},{"title":"TG-S2CM \/ 2.4","offer_id":56031591334180,"sku":"KB.ER80SB3MN.T240","price":695.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/4938\/3716\/files\/images_18-p10769073504548.jpg?v=1787599667","url":"https:\/\/www.weldtools.in\/products\/kobelco-tig-wire-er90s-b3mn","provider":"weldtools","version":"1.0","type":"link"}