40Cr13耐热钢离心铸管-无缝管-不锈钢管-排渣管-套管- ¥24.00 9Cr18MoV耐热钢离心铸管-炉辊管-不锈钢管-套管-排渣管- ¥24.00 40Cr13离心铸管-耐热钢厚壁管-排渣管- ¥24.00 9Cr18MoV厚壁管-耐热钢离心铸管-筒体-套管- ¥24.00 耐热钢厚壁管-离心铸管-无缝管-套管-排渣管-3Cr13-2Cr13 ¥24.00 40Cr13耐热钢炉辊管-离心铸管-不锈钢管-筒体-套管- ¥24.00