Transcription of Products Spotlight - 神戸製鋼所
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Products Spotlight - 神戸製鋼所
1 KOBELCO WELDING TODAYP roducts Spotlight LB-7018-1 is an iron-powder low-hydrogen elec-trode for all-position welding. It offers excellentnotch toughness at low temperatures and unsur-passed usability with DCEP currents. Being classi-fied with a supplementary designation suffix asE7018-1 per AWS , LB-7018-1 meets the lowtemperature impact requirement of 27J at 46 C(as-welded). In addition, this electrode offersexcellent properties in crack tip opening displace-ment (CTOD) at 0 C. Table 1 shows the typicalchemical and mechanical properties of LB-7018-1weld metal. Figure 1 shows the results of Charpy V-notchimpact testing on a 50-mm thick joint welded inthe vertical position. The impact specimens wereremoved from three locations (1st side, center, and2nd side of the groove) in the weld. Table 2 showsweld joint CTOD values obtained with full-thick-ness specimens.
3 Technical Highlight KOBELCO WELDING TODAY Liquefied petroleum gases (LPG) are used as a fuel in heating appliances and vehicles. LPG consists of
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