低合金钢焊丝Techalloy80S-B2(AWSA5.28ER80S-B2)Techalloy515(AWSA5.23EB2)Techalloy90S-B3(AWSA5.28ER90S-B3)Techalloy521(AWSA5.23EB3)Techalloy80S-B6(Techalloy502)(AWSA5.287ER80S-B6)Techalloy80S-B8(Techalloy505)(AWSA5.28ER80S-B8)Techalloy90S-B9(AWSA5.28ER90S-B9)Techalloy110S-1(AWSA5.28ER110S-1)Techalloy120S-1(AWSA5.28ER120S-1)Techalloy4130(AWS无对应)TechalloyAK-10*(AWSA5.28ER100S-G))