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我是广东省顺德市华丰不锈钢焊管厂从事金相工作的技术人员,现就我厂奥氏体型不锈钢焊管焊缝铁素体含量的测量部位向您们请教.我厂焊管是采用单面不加丝“氩弧焊”或“氩弧焊加等离子焊”焊接而成的,焊缝及焊道形貌如图1、2.据GB1954—80(铬镍奥氏体不锈钢焊缝铁素体含量测量方法》中叙述,“其最大面最外层焊道中部横断面”为测量部位,如图3.鉴于此,如果将图1、2所示部位作为焊缝铁素体含量测量部位,不知是否合适?敬请赐教.
I am Shunde City, Guangdong Province, Huafeng stainless steel pipe plant metallurgical work in the technical staff, are now my factory Austenitic stainless steel welded pipe weld ferrite content of the measurement site to consult you. I plant is the use of single-sided welded pipe Do not add wire “TIG” or “TIG welding plus plasma welding,” the weld and weld appearance as shown in Figure 1, 2. According to GB1954-80 (chrome-nickel austenitic stainless steel weld ferrite Body content measurement method “described in” the largest surface of the outermost middle weld bead cross section "as the measurement site, as shown in Figure 3. In view of this, if the parts shown in Figure 1,2 as the weld ferrite content measurement site I do not know whether it is appropriate? Please enlighten me.