Carbon steel sheet is thermo-mechanically rolled in morden plants where the heating, rolling and colling. Carbon steel sheet:1:Type Symbol: SS330,SS400,Q195,Q235,ZJ330B,ZJ400B,20,30,SPHC,SPHD,SPHE2:Low alloyed steelType symbol: QSTE340TM, HSL AS-F50,QSTE380TM, HSL AS-F60,QSTE420TM, HSL AS-F70. QSTE460TM, QSTE500TM,ZJ450MC,ZJ450W,ZJ500MC,ZJ450W,ZJ500MC,ZJ500W,SPA-H.SAPH370,SAPH440.3.High strength ...