| 摘要 |
<p>The present invention relates to a duplex stainless steel alloy containing in weight-%: C max 0.03%, Si < 0.30%, Mn 0-3.0%, P max 0,030%, S max 0,050%, Cr 25-29%, Ni 5-9%, Mo 4.5-8%, W 0-3%, Cu 0-2%, Co 0-3%, Ti 0-2%, Al 0-0.05%, B 0-0.01 %, Ca 0-0.01 %, and N 0.35-0.60%, balance Fe and normal occurring impurities, wherein the ferrite content is 30-70 volume- %, and wherein each weight-% of Mo above may optionally be replaced by two (2) weight-% W.</p> |
