钢的高性能化理论与技术进展

董瀚,廉心桐,胡春东,陆恒昌,彭伟,赵洪山,徐德祥

High Performance Steels: the Scenario of Theoryand Technology

Han DONG,Xintong LIAN,Chundong HU,Hengchang LU,Wei PENG,Hongshan ZHAO,Dexiang XU

表5 我国与日本非调质钢主要成分对比 (mass fraction / %)

Table 5 Comparisons of non-quenched and tempered steels between China and Japan

Country Code C Si Mn V Nb Cr Others China MFT8 0.16~0.26 ≤0.30 1.20~1.60 ≤0.08 ≤0.10 - - MFT9 0.18~0.26 ≤0.30 1.20~1.60 ≤0.08 ≤0.10 - - MFT10 0.08~0.14 0.20~0.35 1.90~2.30 ≤0.10 ≤0.20 - - Japan KNCH7 0.19~0.25 0.15~0.30 1.35~1.65 - - - - (KOBELCO) KNCH7s 0.19~0.25 ≤0.10 1.20~1.50 - - - - KNCH8 0.27~0.33 0.15~0.30 1.35~1.65 - - - - KNCH8s 0.27~0.33 ≤0.10 1.35~1.65 - - - - KNCH8P 0.12~0.18 ≤0.10 1.35~1.65 Addition Addition - - KNCH9P 0.19~0.25 ≤0.10 1.35~1.65 Addition - 0.20~0.40 - KNCH10 0.37~0.43 0.15~0.35 1.00~1.30 Addition - - - KNCH12P 0.15~0.20 0.40~0.50 1.00~1.30 Addition - 1.20~1.40 Ti, B, Mo