| 摘要 |
The present invention relates to an armour for human body ballistic protection comprising a duplex stainless steel alloy con- taining in weight-%: C max 0.2%, Si 0.05-2.0%, Mn 0.1 -10%, Cr 20-35%, Ni 0.1 -12%, Mo 0-6.0%, W 0-6%, Cu 0-3%, Co 0-5%, N 0.05-0.65%, balance Fe and normal occurring impurities, wherein the ferrite content is 25-75 volume-%, and said duplex stainless steel alloy has a yield point in tension exceeding 1400 MPa. |
