2205雙相不銹鋼管(00Cr22Ni5Mo3N)的化學(xué)成分是: C≤0.030 Mn≤2.00 Si≤1.00 p≤0.030•S≤0.020 Cr 22.0~23.0 Ni 4.5~6.5•Mo 3.0~3.5 N 0.14~0.20 2507雙相不銹鋼管 (超級(jí)雙相鋼(00Cr25Ni7Mo5N))•C≤0.03 Mn≤1.20 Si≤0.80 S≤0.020•P≤0.035 Cr 24.0-26.0 Ni 6.0-8.0•Cu≤0.5 Mo 3.0-5.0 N 0.24-0.32