20crNiMoH Φ50 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ55 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ60 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ70 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ80 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ90 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ100 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ120 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ130 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ150 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ160 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ170 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ180 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ190 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH Φ220 通千古圆钢 宝钢/抚钢/西宁特钢/本钢/冶钢
20crNiMoH 其他规格可为客户开料订做,欢迎来的咨询!