品名類別AWS型號(hào)典型化學(xué)成分，%特點(diǎn)和用途CMnSiCrNiMo不銹鋼焊條Tech-Rod2209E2209-160.021.650.5222.48.93.3焊UNSN31803類22%Cr雙相鋼，強(qiáng)度高，耐海水腐蝕等Tech-Rod308LE308L-160.031.650.4319.49.3 超低碳308，減少了碳化物析出和晶間腐蝕可能性，低溫韌性好，適于超低溫應(yīng)用Tech-Rod309LE319L-160.0351.580.5323.4512.6 超低碳309，耐晶間腐蝕，在復(fù)合層堆焊及焊接南非熱處理的異材接頭時(shí)優(yōu)于309Tech-Rod310E310-160.111.90.5226.220.95 焊接鑄鍛態(tài)的同種合金，也用于異材焊接，全奧氏體焊縫金屬，熱輸入要低Tech-Rod310HCE310HC-160.412.150.5226.2521.4 焊接HK級(jí)耐熱鑄造合金，鋼鐵石化高溫應(yīng)用