... steel, stainless steel,ANSI B36.10 pipe carbon and alloy steels Applications and Features :We are professional manufacturer of steel ... free cutting steel bar, 1215 environmentalist steel, Q235 steel and other special steel. We have various goods in different sizes ... 2. main material: 12L14, 1215,45#, Q235 and etc. 3. quality control: ISO9001-2000 4. figure: round, hexagon, square, flat and etc.