SAE美国标准球化率等级对照图谱

SAE美国标准球化率等级对照图谱
SAE美国标准球化率等级对照图谱
STEEL 70% 80% 90%
 
Low
Carbon
低碳钢
xx00-xx20
 
Medium
Carbon
中碳钢
Xx20-xx40
 
High
Carbon
碳钢
Xx40-xx60