液压和气动缸筒用精密无缝钢管
规格:I.D30-500mm
壁厚:2-50mm
材质:20#、45#、16Mn、27SiMn、25Mn
标准:GB/T8713-88 GB/T3639-2000 DIN2391 EN10305
力学性能
钢种
|
冷硬
|
冷拔+去应力退火
|
抗拉强度T.SbN/M㎡
|
伸长度
5%
|
抗拉强度bN/M㎡
|
屈服强度
sN/M㎡
|
伸长度
5%
|
20#
|
≥550
|
≥8
|
≥520
|
≥375
|
≥10
|
45#
|
≥640
|
≥5
|
≥600
|
≥520
|
≥10
|
16Mn
|
≥640
|
≥5
|
≥600
|
≥520
|
≥15
|
25Mn
|
≥640
|
≥5
|
≥600
|
≥510
|
≥15
|
27SiMn
|
≥840
|
≥5
|
≥800
|
≥720
|
≥10
|
尺寸公差
内径尺寸
|
内径偏差
|
壁厚偏差
|
H8
|
H9
|
H10
|
±5%
|
30
|
+0.033
|
+0.052
|
+0.084
|
>30-50
|
+0.039
|
+0.062
|
+0.100
|
>50-80
|
+0.046
|
+0.074
|
+0.120
|
>80-120
|
+0.054
|
+0.087
|
+0.140
|
>120-180
|
+0.063
|
+0.100
|
+0.160
|
>180-250
|
+0.072
|
+0.115
|
+0.185
|
>250-315
|
+0.081
|
+0.130
|
+0.210
|
>315-400
|
+0.089
|
+0.140
|
+0.230
|
产品说明
加工形式
|
缸径
|
长度
|
直线度
|
尺寸精度
|
内孔粗糙度
|
冷轧
|
30-100
|
≤12M
|
0.3-1.0
|
H8-H10
|
0.4-1.6
|
冷拔
|
30-250
|
≤12M
|
0.3-1.0
|
H8-H10
|
0.8-1.6
|
珩磨
|
40-500
|
≤12M
|
1000
|
H8-H10
|
0.4-0.8
|
滚压
|
40-400
|
≤7M
|
1000
|
H8
|
0.1-0.4
|
标准规格
内径mm
|
外径mm
|
壁厚mm
|
重量kg/m
|
内径mm
|
外径mm
|
壁厚mm
|
重量kg/m
|
内径mm
|
外径mm
|
壁厚mm
|
重量kg/m
|
30
|
36
|
3
|
2.44
|
90
|
114
|
12
|
30.18
|
160
|
170
|
5
|
20.34
|
40
|
50
|
5
|
5.55
|
100
|
108
|
3.5
|
8.93
|
160
|
172
|
6
|
24.56
|
40
|
55
|
7.5
|
8.79
|
100
|
114
|
7
|
18.47
|
160
|
180
|
10
|
41.92
|
40
|
58
|
9
|
10.88
|
100
|
121
|
10.5
|
28.61
|
160
|
184
|
12
|
50.90
|
50
|
60
|
5
|
6.78
|
100
|
127
|
13.5
|
37.79
|
160
|
194
|
17
|
74.20
|
50
|
63
|
6.5
|
9.06
|
110
|
120
|
5
|
14.18
|
180
|
192
|
6
|
27.52
|
50
|
65
|
7.5
|
10.63
|
110
|
126
|
8
|
23.28
|
180
|
194
|
7
|
32.28
|
50
|
70
|
10
|
14.80
|
110
|
133
|
11.5
|
34.46
|
180
|
200
|
10
|
46.86
|
55
|
65
|
5
|
7.40
|
110
|
140
|
15
|
46.42
|
180
|
203
|
11.5
|
54.31
|
55
|
70
|
7.5
|
11.56
|
120
|
140
|
10
|
32.06
|
180
|
219
|
19.5
|
95.93
|
60
|
70
|
5
|
8.01
|
120
|
146
|
13
|
42.64.
|
200
|
216
|
8
|
41.03
|
60
|
75
|
7.5
|
12.48
|
125
|
135
|
5
|
16.03
|
200
|
219
|
9.5
|
49.08
|
63
|
69
|
3
|
4.88
|
125
|
140
|
7.5
|
24.51
|
200
|
232
|
16
|
85.22
|
63
|
73
|
5
|
8.38
|
125
|
152
|
13.5
|
46.11
|
200
|
245
|
22.5
|
123.45
|
63
|
76
|
6.5
|
11.14
|
125
|
159
|
17
|
59.53
|
220
|
250
|
15
|
86.93
|
63
|
83
|
10
|
18.00
|
140
|
152
|
6
|
21.60
|
220
|
273
|
26.5
|
161.09
|
70
|
83
|
6.5
|
12.26
|
140
|
159
|
9.5
|
35.00
|
250
|
270
|
10
|
64.12
|
70
|
86
|
8
|
15.39
|
140
|
163
|
11.5
|
42.96
|
250
|
299
|
24.5
|
165.80
|
80
|
86
|
3
|
6.14
|
140
|
168
|
14
|
53.17
|
280
|
325
|
22.5
|
167.84
|
80
|
90
|
5
|
10.48
|
140
|
178
|
19
|
74.50
|
300
|
325
|
12.5
|
96.33
|
80
|
95
|
7.5
|
16.18
|
140
|
180
|
20
|
78.91
|
300
|
351
|
25.5
|
204.68
|
80
|
102
|
11
|
24.68
|
150
|
160
|
5
|
19.11
|
300
|
377
|
38.6
|
321.38
|
80
|
108
|
14
|
32.45
|
150
|
163
|
6.5
|
25.09
|
320
|
351
|
15.5
|
128.24
|
90
|
100
|
5
|
11.71
|
150
|
170
|
10
|
39.46
|
320
|
377
|
28.5
|
224.93
|
90
|
105
|
7
|
18.03
|
150
|
175
|
12.5
|
50.09
|
400
|
426
|
13
|
132.40
|
90
|
108
|
9
|
21.97
|
150
|
180
|
15
|
61.03
|
400
|
480
|
40
|
434.02
|
石油抽油泵泵筒用冷拔精密钢管
材质:st45 ck45
硬度:st45 HB:165-200ck45HB:207-240
长度:≤11mm
内孔粗糙度:Ra≤1.6um
硬度形式
|
名义直径
|
外径(mm0
|
内径(mm)
|
内径偏差
|
内孔圆度
|
镀铬
|
28
|
41.28
|
28.58
|
|
|
0.03
|
32
|
44.45
|
31.75
|
47.75
|
38
|
50.80
|
38.10
|
54.10
|
44
|
57.10
|
44.45
|
60.45
|
57
|
69.85
|
57.15
|
73.15
|
70
|
82.55
|
69.85
|
-0.03
-0.15
|
0.05
|
85.85
|
83
|
95.25
|
82.55
|
-0.15
-0.25
|
98.55
|
95
|
11.25
|
95.25
|
108
|
123.95
|
107.95
|
共渗
|
32
|
44.45
|
31.75
|
-0.15
-0.25
|
|
0.05
|
38
|
50.80
|
38.10
|
44
|
57.15
|
44.45
|
57
|
69.85
|
57.15
|
70
|
82.55
|
69.85
|
| 
