NS143,NS31上海可供耐蚀合金有:incoloy800/800H;inco 5;hastelloyB/B2/C/C-4等;
上一篇:丽水60si2mn钢厂家直销60si2mn钢圆钢锻件下一篇:320S17厂家~上海无缝管发货