The Hobart Quantum Arc 3 is a high-performance ER70S-3 solid MIG welding wire designed specifically for general fabrication where the base material is clean and free of heavy rust or mill scale. Unlike the more common ER70S-6, which contains higher levels of deoxidizers to combat contaminants, the ER70S-3 formulation in Quantum Arc 3 is balanced to provide a cleaner weld bead with significantly fewer silica islands. This characteristic makes it an exceptional choice for multi-pass welding applications where inter-pass cleaning must be minimized to maintain production efficiency.<\/p>\n
Engineered for consistency, this wire features a high-quality copper coating that ensures excellent electrical conductivity and smooth feeding through liners and contact tips. This reliability is critical for robotic and semi-automatic welding environments where wire feed issues can lead to costly downtime. The wire produces a stable arc with low spatter levels whether used with 100% CO2 or Argon\/CO2 shielding gas blends, offering versatility across different shop setups. The 33 lb steel reel packaging provides a robust mounting solution that resists damage in industrial environments.<\/p>\n
Metallurgically, the Quantum Arc 3 provides a fast-freezing puddle, which is advantageous for high-speed welding on light gauge sheet metal, such as in automotive frame manufacturing. While it requires cleaner base metal preparation than S-6 wires, the payoff is a superior bead profile and reduced post-weld finishing. It is suitable for single and multiple pass applications and meets AWS A5.18 specifications.<\/p>\n","protected":false},"excerpt":{"rendered":"Premium ER70S-3 Solid Wire for Clean Steel Applications The Hobart Quantum Arc 3 is a high-performance ER70S-3 solid MIG welding wire designed specifically for general fabrication where the base material is clean and free of heavy rust or mill scale. Unlike the more common ER70S-6, which contains higher levels of deoxidizers to combat contaminants, the… View Article<\/a>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1962,1959],"product_tag":[],"class_list":{"0":"post-1800835","1":"product","2":"type-product","3":"status-publish","5":"product_cat-steel-mig-and-tig-wires","6":"product_cat-welding-wires-and-electrodes","7":"pa_aws-spec-er70s-3","8":"pa_brand-hobart","9":"pa_diameter-0-035","10":"pa_grade-s3-copper-coated","11":"pa_packaging-33lb-spool","12":"pa_packaging-description-33lb-steel-reel","13":"pa_polarity-dc","14":"pa_weld-process-mig","15":"pa_wire-type-solid","17":"first","18":"onbackorder","19":"taxable","20":"shipping-taxable","21":"purchasable","22":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product\/1800835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/media?parent=1800835"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_brand?post=1800835"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_cat?post=1800835"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_tag?post=1800835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}