HSLA钢冶金工艺技术的进展_王祖滨.pdfVIP

272 Vol.27.No. 2 20063 SPECIAL STEEL March 2006 1 HSLA 1 2 王祖滨 付俊岩 ( 1 , 100081; 2 , 100004) 20 90 , , (HSLA) ;HSLA (TMCP) CSP( Compact Strip Production): ( 1) ECCCCIF ; (2) DP TRIP ; (3) X80 HSLA HSLA Advance in Metallurgy Technology of HSLA Steel 1 2 Wang Zubin and Fu Junyan ( 1 Central Iron and Steel Research Institute, Beijing 100081; 2 CITICMetal Co, Beijing 100004) Abstract Since the nineties of 20 century the thin slab casting- direct rolling and the medium-heavy slab casting- Steckel Mill rolling technologies have been involved in production line of high strength low alloy (HSLA) steel, and inthese processes a lot of available operation experiences of therma-l mechanical control process ( TMCP) for production of HSLA steel have been achieved. At present the steel grades being developed by CSP ( compact strip production) process are ( 1) ECC, CC andIF soft steel; ( 2) high strength mult-i phase DP andTRIP steel; and (3) X80 grade pipe steel. The charac- teristic and optimization of both processes for developing HSLA steel grade are presented. Material Index HSLA Steel, ThinSlab Casting- Direct Rolling, Medium-Heavy Slab Casting- SteckelMillRolling, Development 20 60 , ACC IACIGF ( 1) ,HSLA 1 TMCP( ) HSLA TMCP [2] MA() , HSLA MA , DQ [ 1] () , CCRRCR , TMCP 1 Table 1 Evolution in iron