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    • 11. 发明授权
    • 고장력강용 가스 실드 아크 용접용 플럭스 코어드 와이어
    • 고장력강용가스실드아크접용플럭스코어드와이어
    • KR100436489B1
    • 2004-06-22
    • KR1020010029473
    • 2001-05-28
    • 고려용접봉 주식회사
    • 김종원박철규
    • B23K35/36
    • B23K35/368B23K35/3608
    • Disclosed is a flux cored wire for gas shielded arc welding of high tensile strength steel, characterized in that the flux essentially consists of, with respect to the total weight of the wire: metal or ferroalloy containing at least Si, Mg and Al acting as a deoxidizing agent, the sum of the three components, Si, Mg and Al being from 0.5 to 1.5%; from 1.5 to 2.7% Mn, provided that the ratio of Mn to (Mg+Al), i.e., the value of Mn/(Mg+Al) is 3.5-5.0; from 2.5 to 9.0% TiO2 and from 0.5 to 2.0% SiO2, as a slag forming agent; and two or more components selected from the group consisting of Cr, Ni, Mo and Nb, the sum of the two or more components being 1.0-2.5%. The flux cored wire exhibits good welding workability in all welding positions, ensuring an improvement in the efficiency of welding work, and maintains high tensile strength and impact absorption energy, ensuring stability of welded structures.
    • 本发明公开了一种用于高拉伸强度钢的气体保护电弧焊的药芯焊丝,其特征在于,相对于丝的总重量,焊剂基本上由以下成分组成:至少含有Si,Mg和Al的金属或铁合金充当 脱氧剂,Si,Mg和Al三种成分的总和为0.5-1.5%; 如果Mn与(Mg + Al)的比值,即Mn /(Mg + Al)的值为3.5-5.0,Mn为1.5-2.7% 作为造渣剂的2.5至9.0%的TiO 2和0.5至2.0%的SiO 2; 以及选自由Cr,Ni,Mo和Nb组成的组中的两种或更多种组分,所述两种或更多种组分的总和为1.0-2.5%。 该药芯焊丝在所有焊接位置均表现出良好的焊接加工性,确保了焊接工作效率的提高,并保持了高拉伸强度和冲击吸收能量,确保了焊接结构的稳定性。
    • 12. 发明公开
    • 가스 쉴드 아크 용접용 플럭스 코어드 와이어
    • 用于气体屏蔽弧焊的通丝线
    • KR1020020078348A
    • 2002-10-18
    • KR1020010018700
    • 2001-04-09
    • 고려용접봉 주식회사
    • 김종원
    • B23K35/22
    • B23K35/368B23K35/3608
    • PURPOSE: A flux cored wire for gas shielded arc welding is provided to obtain welded metal having excellent toughness at low temperatures while minimizing spatter and fume. CONSTITUTION: In a flux cored wire for gas shielded arc welding where titania based flux is charged in sheath for mild steel of low carbon steel, the titania based flux comprises TiO2 4.0 to 8.0 wt.%, Mn 1.0 to 3.0 wt.%, Si 0.1 to 1.0 wt.%, B 0.002 to 0.02 wt.%, Mg 0.2 to 0.45 wt.%, Al 0.15 to 0.3 wt.% based on the total weight of flux cored wire. Preferably, Mg/Al is 1.45 to 1.55.
    • 目的:提供用于气体保护电弧焊的药芯焊丝,以获得在低温下具有优异韧性的焊接金属,同时尽量减少飞溅和烟雾。 构成:在用于气体保护电弧焊的药芯焊丝中,其中二氧化钛基助焊剂装入低碳钢低碳钢的护套中,二氧化钛基助焊剂包含二氧化钛4.0〜8.0重量%,锰1.0〜3.0重量%,硅 0.1〜1.0重量%,B 0.002〜0.02重量%,Mg:0.2〜0.45重量%,Al:以药芯焊丝的总重为0.15〜0.3重量%。 Mg / Al优选为1.45〜1.55。