以下单位为毫米:
145-230称为窄带钢;
232-355称为带钢;
358-650称为中宽带钢;
2.5-3.0厚度规格一般为窄带钢和带钢;
145,153,160,180,183,190,200,215,220,225,230,232,240,242,252,255,262,265,268,272,275,280,285,290,295,300,305,315,320,335,345,355,358,365,375,389,395,400,406,413,420。以上为常用规格。
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