10Ni14钢的焊接工艺研究

STUDY ON THE WELDING PROCESS OF DIN 10Ni14

分析德国产ＤＩＮ１０Ｎｉ１４（３．５Ｎｉ）低温钢的焊接工艺。通过对用Ｆｏｘ２．５Ｎｉ电焊条焊接的１０Ｎｉ１４钢接头的低温冲击试验、硬度试验及金相组织分析，证实用２．５Ｎｉ电焊条焊接３．５Ｎｉ钢的可行性，提出低温钢焊接工艺的要点。

This article analyzes welding process of DIN 10Ni14(35Ni)cryogenic steel madein GermanyThrough analysis of lowtemperature impact test,hardness test and metallographic examination to 10Ni14 steel joint welded with Fox 25Ni electrodes,it proves the feasibility of welding 35Ni steed with 25Ni electrodes,and puts forward the key points of the welding process of cryogenic steel