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焊接工藝規(guī)程-文庫(kù)吧資料

2024-10-12 04:48本頁(yè)面
  

【正文】 6MnCu14MnNb343E50SJ501薄板:H08AH08MnAHJ431HJ360H08MnMoAH08Mn2SiH08Mn2SiAYJ5021YJ5023YJ5064HJ431HJ430中板開(kāi)坡口對(duì)接開(kāi)I形坡口對(duì)接SJ301H08MnAH10Mn2HJ350厚板深坡口H10Mn2H08MnMoA15MnV15MnVCu16MnNb392E50E55HJ430HJ431開(kāi)I形坡口對(duì)接H08MnA中板開(kāi)坡口對(duì)接H10Mn2H10MnSiHJ431HJ360H10MnMoH08Mn2MoVAH08Mn2SiH08Mn2SiAHJ250厚板深坡口HJ350SJ101H08MnMoA15MnVN15MnVNCu15MnVTiRe441E55E60SJ431H10Mn2HJ431HJ360H10MnMoH08Mn2MoVAH08Mn2SiH08Mn2SiAHJ350HJ250SJ101H08MnMoAH08Mn2MoA18MnMoNb14MnMoV14MnMoVCu490E60E70HJ250HJ350SJ101H08Mn2MoAH08Mn2MoVAH08Mn2NiMoHJ431HJ360H10Mn2MoAH10Mn2MoVAH10Mn2NiMoAH08Mn2SiMoA16Mn鋼的焊接工藝。焊電號(hào)強(qiáng)度級(jí)別(MPa)手弧焊埋如是大坡口對(duì)接焊時(shí),由于母材熔入量減少,如再用H08A就使焊縫的強(qiáng)度偏低,因此要采用含Mn高的焊絲H08MNA或H10Mn2來(lái)補(bǔ)充焊縫中的含Mn量。q345鋼板埋弧焊是采用H08MNA和H08A,要具體情況而定。只是焊劑,所用的SJ301屬燒結(jié)焊劑,建議用熔煉焊劑HJ431完全滿足質(zhì)量要求,并且對(duì)焊劑的烘干要求也不是太高。六、結(jié)論按此焊接工藝措施施工,經(jīng)過(guò)實(shí)際施工的驗(yàn)證,此焊接工藝措施不僅能在現(xiàn)場(chǎng)指導(dǎo)對(duì)Q345鋼的焊接,而且能夠保證焊接質(zhì)量。在施工前,進(jìn)行全員交底,并且開(kāi)取施工工藝卡。每個(gè)柱接
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【摘要】1 適用范圍