Q235B 16MN L245 L290 Q345钢管的力学性能和化学成份
时间:2011-08-13 02:55 作者:螺旋钢管 点击:次
Q235B 16MN L245 L290 Q345钢管的力学性能和化学成份
|
钢种
|
力学性能
|
化学成份
|
|
屈服强度
|
抗拉强度
|
伸长率
|
C
|
Si
|
Mn
|
S
|
P
|
|
MPa
|
kg/mm²
|
MPa
|
kg/mm²
|
min
|
不大于
|
不大于
|
不大于
|
|
Q215A
Q215B
|
215
|
22
|
335-410
|
34-42
|
31
|
0.09-0.15
|
0.03
|
0.25-0.55
|
0.0500.045
|
0.045
|
|
Q235A
Q235B
Q235C
Q235D
|
235
|
24
|
375-460
|
38-47
|
26
|
0.14-0.220.12-0.20
≤0.18
≤0.17
|
0.30
|
0.30-0.650.30-0.70
0.35-0.80
0.35-0.80
|
0.500.45
0.40
0.035
|
0.045
0.045
0.040
0.035
|
|
16Mn(Q345B)
|
345
|
35
|
510-600
|
51.60
|
22
|
0.12-0.20
|
0.20-0.55
|
1.2-1.6
|
0.045
|
0.045
|
|
X42
|
289
|
29.5
|
413
|
42.1
|
|
0.28
|
-
|
1.25
|
0.030
|
0.030
|
|
X52
|
358
|
36.5
|
455
|
46.4
|
0.30
|
-
|
1.35
|
0.030
|
0.030
|
|
X56
|
386
|
39.4
|
489
|
49.9
|
0.26
|
-
|
1.35
|
0.030
|
0.030
|
|
X60
|
413
|
42.1
|
517
|
52.7
|
0.26
|
-
|
1.35
|
0.030
|
0.030
|
|
X65
|
448
|
45.7
|
530
|
54.0
|
0.26
|
-
|
1.40
|
0.030
|
0.030
|
|
X70
|
482
|
49.2
|
565
|
57.6
|
0.26
|
-
|
1.40
|
0.030
|
0.030
|
|
L245
|
245
|
|
415
|
|
21
|
0.26
|
|
1.15
|
0.030
|
0.030
|
|
L290
|
290
|
|
415
|
|
21
|
0.28
|
|
1.25
|
0.030
|
0.030
|
|
L360
|
360
|
|
460
|
|
19
|
0.3
|
|
1.25
|
0.030
|
0.030
|
|
|
| |
