• 1.工业纯铁( Wc < 0.0218% )• 2. 共析钢( Wc = 0.77% )
• 4.过共析钢( Wc = 1.2% )• 3.亚共析钢( Wc = 0.45% )
• 6.亚共晶白口铁 ( Wc = 3.0% ) • 7.过共晶白口铁 ( Wc = 5.0% ) • 5.共晶白口铁 ( Wc = 4.3% ) 共晶转变投影图:
包共晶转变: