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chuan han 395 han tiao zhi liang de gai jin
Pages: 51
Year: Issue:  2
Journal: Wuhan Shipbuilding

Keyword:  电焊条不锈钢焊条造船工业药皮开裂烘焙温度奥氏体低氢型焊接过程焊接工艺性能碱性;
Abstract: <正> "船焊395"电焊条广泛使用于造船工业,它是一种碱性低氢型药皮的奥氏体不锈钢焊条。此种焊条原系完全按苏联ЭA395/9焊条仿制。在生产中,焊条烘焙至温度380℃后药皮开裂,为此不得不将出厂的烘焙温度降低至280℃~300℃,以保证运输中的药皮强度。此外,在焊接过程中,焊条烧至三分之二处药皮即裂开脱落而不能继续利用,造成昂贵的焊丝大量浪
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