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basic metallurgy

Miss B

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Across
1.___________ penetration
3.thousand pounds persquare inch
5.OD
8..15-.30% carbon, most metals welded are this
11.materials that change and return to original shape
12.in name only
13.the area around the weld that is changed by welding but not melted
15.stainless steel that is nonmagnetic in the annealed condition, non-hardenable by heat treat, is largest group of stainless steel
16.large pieces of flat metal greater than or equal to 3/16" thick
18.pinholes that are perpendicular to the weld face and longer than the weld is wide
20.always magnetic stainless steel, can be hardened by coldworking only
22.eledtrode used to weld high sulpher, phosphorus and meduim to high carbon steels,
23.electrode with high deposition rate, E7024
25.electrode with meduim penetration
27.the ability of a metal to be hammered without breaking
29.all position electrode with strong arc and deep penetration
Down
2.a materials ability to conduct heat.
4.ID
6.causes stress and strain in materials. when solids expand and contract with temperature changes
7.maintaining the required heat while welding to control stress
9..5 to 1% carbon , cast irons are this
10.materials that can change permanently
14.__________joint penetration
17.shiny gray has sharp edges
19.heating metal to a required temperature before welding
21.stainless steel that can be hardened by quenching and tempering
24.metals have rounded edges and a gray mill scale
26.mill test report
28.large pieces of flat metal less than 3/16" thick

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