种类
材料
符号
形状
单位
标准尺寸
一般结构用轧制钢材
SS400
平钢
t
6,9,12,13,14,16,19,22,25,28,30,32,35,38,40,45,50,55,60,65,70,75,80,85,90,95,100,105
方钢
□
9,13,16,19,22,25,32,38,44,50,65,75,90,100
银亮棒钢（冷拉拔）
SS400D
平方棒料
t
W宽
2
6,8,10,12,16,20
3
6,8,9,10,12,13,16,19,22,25,32,38,50
4
10,13,16,19,20,22,25,32
4.5
11,13,16,19,22,25,32,38,50
5
8,10,13,16,19,20,22,25,30,32,38,50
6
9,10,13,16,19,20,22,25,32,38,44,50,60,65,75,90,100,125
8
10,12,13,16,19,22,25,30,32,38
9
12,13,16,19,22,25,32,38,44,50,60,65,75,90,100,125
10
13,15,16,20,22,25,30,32,38,40,50,60,65,100
12
16,19,22,32,38,44,45,50,60,65,75,90,100,125
16
19,22,25,32,38,44,50,60,65,75,90,100,125
19
22,25,32,38,44,50,60,65,75,90,100,125
22
25,32,38,44,50,60,65,75,90,100,125
25
32,38,44,50,60,65,75,90,100,125
30
50,65,75,100,125
32
50,65,75,100,125
38
50,65,75,100,125
方钢
□
2.5,3,4,4.5,5,5.5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,24,25,28,30,32,34,35,36,38,40,42,44,45,50,55,60,65,70,75,80,85,90,100,110,120,130
六角钢
对边H
3,5,6,7,8,9,10,11,12,13,14,17,19,21,22,23,24,26,27,29,30,32,35,36,38,41,46,50,54,55,58,60,63,65,67,70,71,75,77,80,85,90,95,100,115
圆棒料
D
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,40,42,43,44,45,46,48,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,130,140,150,160,170,180,190,200
冷轧钢钢板
SPCC
钢板
t
0.4,0.5,0.6,0.7,0.8,1,1.2,1.6,2,2.3,3.2
热轧钢钢板
SPHC
钢板
t
（1.2）,1.6,2.3,2.6,3.2,4.5
机械结构用碳素钢钢材
S45C-D（银亮）
圆棒料
D
2,2.5,3,3.5,4,4.5,6,7,8,9,9.5,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,32,33,34,35,36,38,40,42,44,45,46,48,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,130
S50C
平钢
t
6,9.5,12.7,13,16,19,22,25,27,32,38,45,50,55,65,75,85,95,105,115,125,135,145,155,（165）,（175）,（185）,（205）
方钢
□
12.7,13,16,19,25,28,32,38,44,50,55,65,75,90,100,110,120,130,155
碳素工具钢钢材
SKS93
平钢
t
2,3,4,5,6,7,8,9,10,12,13,16,19,22,25,27,32,38,43,50,53,65,75,90,105,130,155
SKS93
方钢
□
10,13,16,19,22,25,28,32,38,45,50,55,65,75,90,105,130,（155）,（210）
SK4-DG8
圆棒料
D
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,22,23,24,25,26,28,30,32,36,38,40,42,45,48,50,55,60,65,70,75,80
合金工具钢钢材
SKS3
平钢
t
2,3,4,5,6,7,8,9,10,12,13,16,19,22,25,27,32,38,43,50,53,65,75,90,105,130,155,（160）
方钢
□
10,13,16,19,22,25,28,32,36,38,45,50,55,65,75,90,105,130,（155）,（210）
圆棒料
D
13,16,19,22,25,28,32,38,42,46,50,55,60,65,70,80,85,90,100,110,120,130,150,160,180
铬钼钢钢材
SCM435
六角钢
对边H
6,7,8,9,10,11,12,13,14,17,19,21,22,23,24,26,27,30,32,35,36,38,41,46,50,54,55
圆棒料
D
4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,30,32,34,35,36,38,40,42,45,46,48,50
硫和硫复合快削钢钢材
SUM24L
圆棒料
D
3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,20,22,23,24,25,26,28,30,32,34,35,36,38,40
高碳铬轴承钢钢材
SUJ2
圆棒料
D
13,16,19,22,25,28,（30）,32,（34）,36,38,42,（44）,46,（48）,50,55,60,65,70,75,80,85,90,95,100,110,120,130,140,150,（160）,（170）,（180）,（190）,（200）,（210）,（220）,（230）,（240）,（250）