US-36日本神鋼埋弧焊絲 |
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US-36日本神鋼埋弧焊絲 日本神鋼MG-S9Cb ER90S-G耐熱鋼焊絲 P91氣保焊絲 陜西西安駿焊專業(yè)銷售日本神鋼耐熱鋼實(shí)芯焊絲藥芯焊絲 低溫鋼藥芯焊絲 實(shí)芯焊絲焊條 耐熱鋼焊條焊絲 耐候鋼焊條焊絲 高強(qiáng)鋼焊條焊絲 不銹鋼焊條焊絲 氣體保護(hù)焊絲 耐磨焊絲 鑄鐵焊條焊絲 銅焊條焊絲 鋁焊條焊絲 銀焊條 鎳基焊條焊絲等進(jìn)口焊條焊絲
US-36/AF-490AS is a solid wire/flux combination for welding mild steels as well as HT490 class steels. AF-490AS, a fluoride-basic agglomerated flux, shows superb and stable notch toughness down to -40°C as well as good usability in combination with US-36 SAW wire. Details related to US-36 x AF-490E are shown in Table 8.
3-1. Properties of all weld metal
The chemistries and mechanical properties of the all weld metal are shown in Tables 9 and 10, respectively. Impact test results in the as-welded condition as well as after Postweld Heat Treatment (PWHT) are shown in Figures 9 and 10 by the transition curves, respectively.
Designed for optimum flux basicity, AF-490AS can obtain stable and excellent notch toughness at temperatures as low as -40°C even though no special elements have been added. The bead appearance is shown in Figure 11.
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