THM-60G(例值)—0.071.580.080.0100.0110.280.32Mo0.30SJ101用于X80级钢的焊接及相同级别低合金钢焊接天津大桥THM-60G焊丝THM-60G焊丝THM-60G埋弧焊丝天津焊丝***丝天津***丝)