焊接材料選用表

1、般情況下的焊材選用表1材料焊條電弧焊焊條埋弧焊預(yù)熱溫度氬弧焊焊絲別鋼號焊絲焊劑通素鋼A3，A3F（J422）J427H08AHJ431般不預(yù)熱A3R（J422）J427H08MnAHJ431般不預(yù)熱碳素鋼管）10號，20號（J422）J427,向幾人蘋右-kA般不預(yù)熱爐鋼20g（J422）J427H08MnAHJ431般不預(yù)熱35公斤級16Mn16MnR（J502）J507H10Mn2（低檔）H10MnSi（高檔）HJ431S38時100150CH08Mn2SiA20MnMo（鍛件）J507H10Mn2（低檔）H10MnSi（高檔）HJ431100150C40公斤級15MnVR（J502）J5

2、07H10MnSi（低檔）H08MnMoA（高檔）HJ431S32時100150CH08Mn2SiA50公斤級18MnMoNbRJ707H08MnMoA（高檔）HJ250G170C鉬鋼12CrMo熱207H13CrMoAHJ250G150CH13CrMoA（續(xù)表1）材料焊條電弧焊焊條焊條電弧焊焊條預(yù)熱溫度氬弧焊焊絲別鋼號焊絲焊劑鉬鋼15CrMo熱307H13CrMoAHJ250G150CH13CrMoACr5Mo熱507300C銹鋼0Cr18Ni91Cr18Ni9Ti奧132H0Cr18Ni9TiHJ260H0Cr18Ni9Ti0Cr17Ni13Mo2Ti奧212H0Cr19Ni12Mo2HJ

3、260H0Cr19Ni12Mo200Cr17Ni14Mo2奧022或D316LH00Cr19Ni12Mo2HJ260H00Cr19Ni12Mo2國外材料焊條電弧焊焊條別鋼號焊條電弧焊焊條預(yù)熱溫度氬弧焊焊絲焊絲焊劑（續(xù)表1）素鋼RSt37-2RSt360-2按A3R選擇焊材及預(yù)熱溫度SM41C同上SM41B同上SPV24同上St35（鋼管）按10號、20號鋼選擇焊材及預(yù)熱溫度材料焊條電弧焊焊條焊條電弧焊焊條預(yù)熱溫度氬弧焊焊絲別鋼號焊絲焊劑爐鋼Hn,Hrn按20g選擇焊材及預(yù)熱溫度西AST-41同上西錳鋼St52-3J507H10Mn2H10MnSiHJ431150CH08Mn2SiA西FG-39

4、J507H08MnMoAHJ431150C西SM53B/SM53C按15MnVR選擇焊材及預(yù)熱溫度日SPV36同上日鎳鋼BHW-35按18MnMoNbR選擇焊材及預(yù)熱溫度西鉬鋼13CrMo44按15CrMo選擇焊材及預(yù)熱溫度西1Cr-1/2Mo同上注5STBA22（鋼管）同上日2.25Cr-1Mo熱407HCrMo910HJ250G200C注610CrMo11熱407HCrMo910HJ250G200C西10CrMo910（鋼管）熱407HCrMo910HJ250G200C西20CrMo9熱407H12Cr3MoMnAHJ250G250C西（續(xù)表1）材料焊條電弧焊焊條焊條電弧焊焊條預(yù)熱溫度氬弧

5、焊焊絲別鋼號焊絲焊劑鉬鋼12CrMo195（鋼管）按Cr5Mo選擇焊材及預(yù)熱溫度西銹鋼SUS403奧302注7SUS405奧302注7SUS304按0Cr18Ni9選擇焊材注7SUS321按1Cr18Ni9Ti選擇焊材注7SUS346L按00Cr17Ni14Mo2選擇焊材注7注:(1)焊接二、三類容器承壓焊縫時，必須選用結(jié)427焊條。對于16MnR、15MnVR鋼，在下列情況之一者，必須選用J507焊條：產(chǎn)品工作壓力：Pg16Kg/cm2的容器承壓焊縫。產(chǎn)品工作溫度：T20mm,且整個焊縫厚度全部由手工焊完成的承壓焊縫，包括接管外補強圈的外角縫。(對于板厚520mm的筒體環(huán)縫自動焊手工焊打底焊

6、縫除外)。.焊接制作環(huán)境溫度低于0C時，除上述情況外，均可選用J502焊條施焊(包括520mm的自動焊手工打底焊縫)。.(3)對于16MnR、15MnVR鋼的自動焊絲選用如下：當(dāng)需要預(yù)熱焊接時(即16MnR530mm，15MnVR528mm)均需選用高檔的焊材。16MnR應(yīng)選用H10MnSi。15MnVR應(yīng)選用H108MnMoA，否則選用低檔焊絲。18MnMoNbR自動焊時，本選用250焊劑，但鑒于目前國內(nèi)不生產(chǎn)該種焊劑，故采用250G焊劑代用。與之相對應(yīng)的美國牌號為：ASTMA387-72a標(biāo)準中：A387BASTMA387-74a標(biāo)準中：A387Gr12與之相對應(yīng)的美國牌號為：ASTMA3

7、87-72a標(biāo)準中：A387DASTMA387-74a標(biāo)準中：A387Gr22a)按化學(xué)成分對照，SUS403相當(dāng)于我國鋼號1Cr13。SUS405相當(dāng)于我國鋼號0Cr13，但鑒于我廠訂貨要求SUS403板含碳量均w0.08%，故相當(dāng)于0Cr13。.b)表中所列的奧302焊條只限于復(fù)合板的復(fù)層材質(zhì)為SUS403SUS405或板厚5w6mm的單層鋼板焊接時所用。其它情況下應(yīng)另行考慮焊材。二、復(fù)合鋼板焊接情況下的焊材選用(表2)復(fù)合鋼板材料基層過渡層焊條蓋面層焊條焊條電弧埋弧焊焊絲三、異種鋼板焊接情況下的焊材選用焊焊條0Cr13+A3J422/J427H08A/H08MnA奧302奧3020Cr1

8、3+16MnJ502/J507H10Mn2/H10MnSi奧302奧3021Cr18Ni9Ti+A3J422/J427H08A/H08MnA奧302奧1321Cr18Ni9Ti+16MnJ502/J507H10Mn2/H10MnSi奧302奧1320Cr17Ni13Mo2Ti+A3J422/J427H08A/H08MnA奧302奧2120Cr17Ni13Mo2Ti+16MnJ502/J507H10Mn2/H10MnSi奧302奧21200Cr17Ni13Mo2Ti+A3J422/J427H08A/H08MnA309L316L00Cr17Ni13Mo2Ti+16MnJ502/J507H10Mn2

9、/H10MnSi309L316L0Cr18Ni1仃i+15CrMoR熱307H13CrMoA309L347表3接頭材料的類型異種鋼接頭材料焊條電弧焊焊條埋弧焊預(yù)熱溫度埋弧焊焊絲焊劑低碳鋼+普低鋼普低鋼+普低鋼A3+16MnJ422/J427H08A/H08MnAHJ431170CA3+18MnMoNbRJ427H08A/H08MnAHJ431170C16Mn+18MnMoNbRJ507H10Mn2/H10MnSiHJ431170C20MnMo+18MnMoNbRJ507H10Mn2/H10MnSiHJ431170C低碳鋼+A3+15CrMoJ427H08A/H08MnAHJ431150C鉻鉬鋼

10、普低鋼+鉻鉬鋼A3+2.25Cr-1MoJ427H08A/H08MnAHJ431200CA3+Cr5MoJ427H08A/H08MnAHJ431300C16Mn+2.25Cr-1MoJ507H10Mn2/H10MnSiHJ431200C鉻鉬鋼+鉻鉬鋼15CrMo+2.25Cr-1Mo熱307H13CrMoAHJ250200C2.25Cr-1Mo+Cr5Mo熱407HCrMo910HJ250300C其它鋼+不銹鋼A3+1Cr18Ni9Ti奧30216Mn+1Cr18Ni9Ti奧30218MnMoNbR+1Cr18Ni9Ti奧302或奧309L140C15CrMo+1Cr18Ni9Ti奧302或奧309L120C續(xù)表3四、當(dāng)封頭或筒體需要經(jīng)過正火處理或相當(dāng)于正火溫度下加熱(熱沖壓成型)時，若封頭拼板縫或筒體縱縫是用埋弧自動焊接時為保證焊縫強度不低于母材，其自動焊絲不能按表1選取，而應(yīng)按接頭材料的類型異種鋼接頭材料焊條電弧焊焊條埋弧焊預(yù)熱溫度埋弧焊焊絲焊劑其它鋼+不銹鋼2.25Cr-1Mo+1Cr1