LB-78VS日本神鋼進口焊條管道焊條

LB-78VS日本神鋼進口焊條管道焊條

天津海焊專業代理日本神鋼進口焊材

Table 1: Covered electrodes for girth welding Table 2: TIG and MAG wires for girth welding API 5L pipe grade X42-X52 X56-X60 X65 X70 X80 X100 Welding pass Root Hot Filler & Cap Root Hot Filler & Cap Root Hot Filler & Cap Root Hot Filler & Cap Root Hot Filler & Cap Root Hot Filler & Cap High cellulose type Low hydrogen type Vertical downward position LB-78VS KOBE-6010 KOBE-6010 KOBE-7010S KOBE-7010S KOBE-7010S KOBE-8010S KOBE-8010S KOBE-7010S KOBE-8010S KOBE-8010S LB-88VS LB-98VS LB-108VS LB-118VS Vertical upward position LB-52U LB-52NSU LB-52-18 LB-52NS LB-52U LB-52NSU LB-52-18 LB-52NS LB-52U LB-62 LB-62D LB-62U LB-62 LB-62D LB-62U LB-65D LB-106 LB-80L LB-116