网站首页 - 产品展示 - 产品性能检测

化学成分及力学性能表(Chemical Composition and Mechanical Properties):

钢号(Symbol)

 
化学成分(Chemical Composition)%
机械性能(Mechanical Properties)
C
SI
Mn
P
S
弯曲试验(Bending Test)
抗拉强度Tensile Strength(Mpa)
伸长率Elongation(%)
Q195
0.06-0.12
0.30
0.25-0.50
0.045
0.050
180°d=0
315-430
33  
Q215
0.09-0.15
0.30
0.25-0.55
0.045
0.050
180°d=0
335-450
31
Q235
0.14-0.22
0.30
0.30-0.65
0.045
0.050
180°d=0
37-500
26

 冷轧钢带厚度允许偏差(Allowable Thickness Tolerance for Cold –rolled Strip):单位(Unit):mm

公称厚度

 
Nominal Thickness
厚度允许偏差Allowable Thickness Tolerance
高级精度B
PT.B
普通精度A
PT.A
公称宽度Nominal Width
公称宽度Nominal Width
 
630
630~≤1000
630
630~≤1000
0.15-0.30
±0.01
 
±0.015
 
0.30-0.40
±0.015
±0.02
±0.020
±0.030
0.40-0.60
±0.020
±0.025
±0.030
±0.040
0.60-0.80
±0.025
±0.030
±0.035
±0.045
0.80-1.20
±0.030
±0.035
±0.050
±0.060
1.20-2.0
±0.050
±0.060
±0.070
±0.080

 冷轧带钢切边宽度允许偏差(Allowable Width Tolerance for Edge Cut of Cold-rolled Strip):单位(Unit):mm

公称厚度

 
Nominal Thickness
宽度允许偏差Allowable Width Tolerance
公称宽度Nominal Width
125~400
400~630
630~900
0.50
0
-0.30
0
-0.35
0
-0.60
0.5~1.0
0
-0.40
0
-0.45
0
-0.80
1.0
0
-0.45
0
-0.50
0
-1.0

 冷轧钢带不平度允许值(Allowable Unflatness value for Cold-rolled Strip):单位(Unit):mm

公称宽度Nominal Width

 
不平度(Unflatness)≤
高级精度(High Precision)B
普通精度(Normal Precision)A
公称厚度(Nominal Thickness)
0.50
0.50~1.20
1.20
0.50
0.50~1.20
1.20
200
3
2
2
5
4
3
200~400
4
3
2
6
5
4
400~630
5
4
3
7
6
5
630~1000
6
5
4
10
8
6