| 摘要 |
<p>The invention relates to an unbonded flexible pipe for offshore applications. The pipe comprises an inner sealing sheath defining a bore and at least one armoring layer comprising metal, wherein the metal of the armoring layer is manganese steel with a composition comprising in mass % of the total steel composition about 9-30 % manganese (Mn) about 1-4 % aluminum (Al) about 0-6 % silicium (Si) about 0-4 % copper(Cu) about 0-4 % nickel (Ni) about 0-1 % carbon (C) the remainder is iron and impurities.</p> |
