METHOD OF WELDING OF CAST-IRON PRODUCTS
FIELD: method of electric are welding of overhead welds of cast-iron products is applicable in welding of pipes in petroleum-gas industry, power industry, shipbuilding and public service. SUBSTANCE: U-preparation to indirect welding is performed. The joint to be welded is preheated. The root weld is...
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| creator | BABANOV A.A VETER V.V KRUGLOV V.EH SAMOJLOV M.I |
| description | FIELD: method of electric are welding of overhead welds of cast-iron products is applicable in welding of pipes in petroleum-gas industry, power industry, shipbuilding and public service. SUBSTANCE: U-preparation to indirect welding is performed. The joint to be welded is preheated. The root weld is welded at a heat input equal to 0.8-0.9 of the rated one with employment of filling wire containing 45 to 95% of nickel. The root weld is rewelded by argon-arc welding without filling wire by a nonconsumable electrode at nominal heat input. Weld filling layers are laid by argon-arc welding by a nonconsumable electrode at nominal heat input with employment of filling wire. EFFECT: eliminated sag of the back bead, enhanced quality of weld. |
| format | Patent |
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SUBSTANCE: U-preparation to indirect welding is performed. The joint to be welded is preheated. The root weld is welded at a heat input equal to 0.8-0.9 of the rated one with employment of filling wire containing 45 to 95% of nickel. The root weld is rewelded by argon-arc welding without filling wire by a nonconsumable electrode at nominal heat input. Weld filling layers are laid by argon-arc welding by a nonconsumable electrode at nominal heat input with employment of filling wire. 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SUBSTANCE: U-preparation to indirect welding is performed. The joint to be welded is preheated. The root weld is welded at a heat input equal to 0.8-0.9 of the rated one with employment of filling wire containing 45 to 95% of nickel. The root weld is rewelded by argon-arc welding without filling wire by a nonconsumable electrode at nominal heat input. Weld filling layers are laid by argon-arc welding by a nonconsumable electrode at nominal heat input with employment of filling wire. EFFECT: eliminated sag of the back bead, enhanced quality of weld.</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD3dQ3x8HdR8HdTCHf1cfH0cwcxnR2DQ3Q9g_z9FAKC_F1CnUOCeRhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJfFCokaGBqZmJmbOhMRFKAJE3I2c</recordid><startdate>19980227</startdate><enddate>19980227</enddate><creator>BABANOV A.A</creator><creator>VETER V.V</creator><creator>KRUGLOV V.EH</creator><creator>SAMOJLOV M.I</creator><scope>EVB</scope></search><sort><creationdate>19980227</creationdate><title>METHOD OF WELDING OF CAST-IRON PRODUCTS</title><author>BABANOV A.A ; VETER V.V ; KRUGLOV V.EH ; SAMOJLOV M.I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2105646C13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>BABANOV A.A</creatorcontrib><creatorcontrib>VETER V.V</creatorcontrib><creatorcontrib>KRUGLOV V.EH</creatorcontrib><creatorcontrib>SAMOJLOV M.I</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BABANOV A.A</au><au>VETER V.V</au><au>KRUGLOV V.EH</au><au>SAMOJLOV M.I</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF WELDING OF CAST-IRON PRODUCTS</title><date>1998-02-27</date><risdate>1998</risdate><abstract>FIELD: method of electric are welding of overhead welds of cast-iron products is applicable in welding of pipes in petroleum-gas industry, power industry, shipbuilding and public service. SUBSTANCE: U-preparation to indirect welding is performed. The joint to be welded is preheated. The root weld is welded at a heat input equal to 0.8-0.9 of the rated one with employment of filling wire containing 45 to 95% of nickel. The root weld is rewelded by argon-arc welding without filling wire by a nonconsumable electrode at nominal heat input. Weld filling layers are laid by argon-arc welding by a nonconsumable electrode at nominal heat input with employment of filling wire. EFFECT: eliminated sag of the back bead, enhanced quality of weld.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | METHOD OF WELDING OF CAST-IRON PRODUCTS |
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