上海电力PP-Ni625低氢钠型药皮的镍基焊条 ¥30.00 上海电力PP-TIG-309L碳Cr24Ni13型不锈钢钨极氩弧焊丝 ¥30.00 上海电力PP-TIG-316L碳Cr19Ni12Mo2型不锈钢钨极氩弧焊丝 ¥30.00 上海电力PP-TIG-308L碳Cr21Ni10(Cr19Ni9)型不锈钢钨极氩弧焊丝 ¥30.00 上海电力PP-TIG-R31含Cr1.25%-Mo0.5%-V的低合金耐热钢钨极氩弧焊丝 ¥30.00 上海电力PP-TIG-J50碳钢钨极氩弧焊丝 ¥30.00