{"id":27368,"date":"2026-03-26T15:09:30","date_gmt":"2026-03-26T08:09:30","guid":{"rendered":"https:\/\/linkweldthailand.com\/?post_type=product&p=27368"},"modified":"2026-03-26T15:14:34","modified_gmt":"2026-03-26T08:14:34","slug":"submerge-wire-lsw-em12k-and-flux-lsf-39-f7a2-em12k","status":"publish","type":"product","link":"https:\/\/linkweldthailand.com\/en\/product\/submerge-wire-lsw-em12k-and-flux-lsf-39-f7a2-em12k\/","title":{"rendered":"Submerge Wire (LSW-EM12K) and Flux (LSF-39) F7A2-EM12K"},"content":{"rendered":"
\u25b6\ufe0e Characteristics<\/strong>:<\/h5>\n

LSF-39 is an active flux. It is designed for butt or fillet welding on sheet metal with nice bead appearance, porosity resistance and good slag forming and removing and improved toughness. prevent porosity during welding. It is recommend for single pass welding steel plate under 25 mm thick.<\/p>\n

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\u25b6\ufe0e Applications<\/strong>:<\/h5>\n

Typical applications include pressure vessels, H beam, pipe-mill application, shipbuilding, LPG Tank and general steel structure.<\/p>\n

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\u25b6\ufe0e Notes on Usage<\/strong>:<\/h5>\n

1. Dry the flux at 350\u2103 for 60 minutes before use
\n2. Not recommended to welding more than two passes.<\/p>\n

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\u25b6\ufe0e Classification<\/strong>:<\/h5>\n

AWS A5.17 F7A2-EM12K<\/p>\n

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\u25b6\ufe0e Typical chemical composition of weld metal (wt%)<\/strong><\/h5>\n\n\n\n\n
C<\/strong><\/td>\nMn<\/strong><\/td>\nSi<\/strong><\/td>\nP<\/strong><\/td>\nS<\/strong><\/td>\n<\/tr>\n
0.09<\/td>\n1.33<\/td>\n0.6<\/td>\n0.015<\/td>\n0.01<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\u25b6\ufe0e Typical mechanical properties of weld metal<\/strong><\/h5>\n\n\n\n\n
YP N\/mm2<\/sup><\/strong><\/td>\nTS N\/mm2<\/sup><\/strong><\/td>\nEL %<\/strong><\/td>\nIV -20\u00baC J<\/strong><\/td>\n<\/tr>\n
436<\/td>\n533<\/td>\n27.5<\/td>\n67<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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\u25b6\ufe0e\u00a0Sizes and recommended current range ( DC+)<\/strong><\/h5>\n\n\n\n\n\n
Diameter (mm)<\/strong><\/td>\n\u00a02.4<\/strong><\/td>\n\u00a03.2<\/strong><\/td>\n\u00a04.0<\/strong><\/td>\n<\/tr>\n
Weight per roll (kg)<\/strong><\/td>\n25<\/td>\n25<\/td>\n25<\/td>\n<\/tr>\n
Weight per bag(kg)<\/strong><\/td>\n25<\/td>\n25<\/td>\n25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

AWS A5.17 F7A2-EM12K<\/p>\n","protected":false},"featured_media":3090,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[160,154],"product_tag":[],"class_list":{"0":"post-27368","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-submerge-wire-saw","7":"product_cat-welding-consumables","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/product\/27368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/media\/3090"}],"wp:attachment":[{"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/media?parent=27368"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/product_brand?post=27368"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/product_cat?post=27368"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/linkweldthailand.com\/en\/wp-json\/wp\/v2\/product_tag?post=27368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}