... 1.4401)3Cr13420SUS420J2X30Cr131.4028 Chemical composition MATERIALcarbon C%silicon Si%manganum Mn%phosphorus P%sulfur S% ... of massive article are guaranteed.Zhuzhou Jingzuan Carbide Co., Ltd, which is committed to R&D, producing ... Iron and Steel Co., Ltd. (XISC), SANY Heavy Industry Co., Ltd., Weichai Power Co., Ltd., CSR Co., Ltd., Anhui Military Industry Group Holding Co., Ltd. and other companies ...