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中国管业专业提供研磨管
产品范围：
尺寸：内径∮ 20mm -500mm
壁厚：2-50mm
材质：GRB, 27SiMn, ST52, SAE1026
标准：GB/T8713-88, GB/T3639-2000, DIN2391, EN10305
(具体见以下内容)
研磨管可根据客户需求进行生产，精密度达到H8/H9。并且可根据客户对内径粗糙度的要求进行研磨及抛光。
另外，我公司已与无锡贝莱合资，不但可提供大批量研磨管，也将大幅度缩减交货期时长。
详情请见生产基地- 张家港长纳
产品：
无缝精密管
研磨管：
1.研磨气缸管
2.研磨机械管
3. SRB管
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【产品名称】
精密管
【产品信息】
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加工形式
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缸径
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长度
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直线度
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尺寸精度
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内孔粗糙度
|
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冷轧
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30-100
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≤12M
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0.3-1.0
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H8-H10
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0.4-1.6
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冷拔
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30-250
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≤12M
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H8-H10
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0.8-1.6
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珩磨
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40-500
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≤12M
|
1000
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H8-H9
|
0.4-0.8
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滚压
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40-400
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≤7M
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H8
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0.4
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机械性能
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钢种
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项目
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冷拔（轧）管
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金切管
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|
20
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Intensity of tensionσbN/mm2
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≥510
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≥390
|
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Elongation rate δ5%
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≥5
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≥20
|
|
45
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Intensity of tension σbN/mm2
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≥647
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≥590
|
|
Elongation rateδ5%
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≥4
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≥4
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|
16Mn
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Intensity of tensionσbN/mm2
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≥640
|
|
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Elongation rateδ5%
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≥10
|
|
|
27SiMn
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Intensity of tensionσbN/mm2
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≥840
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|
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Elongation rateδ5%
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≥7.5
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公差
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内径尺寸
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内径偏差
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壁厚偏差
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|
H8
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H9
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H10
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|
30
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+0.033
0
|
+0.052
0
|
+0.084
0
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±5%
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|
＞30-50
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+0.039
0
|
+0.062
0
|
+0.100
0
|
|
＞50-80
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+0.046
0
|
+0.074
0
|
+0.120
0
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＞80-120
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+0.054
0
|
+0.087
0
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+0.140
0
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＞120-180
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+0.063
0
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+0.100
0
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+0.160
0
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＞180-250
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+0.072
0
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+0.115
0
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+0.185
0
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＞250-315
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+0.081
0
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+0.130
0
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+0.210
0
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＞315-400
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+0.089
0
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+0.140
0
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+0.230
0
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规格
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内径
mm
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外径
mm
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壁厚
mm
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单重
kg/m
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内径
mm
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外径
mm
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壁厚
mm
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单重
kg/m
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内径
mm
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外径
mm
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壁厚
mm
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单重
kg/m
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|
30
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36
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3
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2.44
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90
|
114
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12
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30.18
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160
|
170
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5
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20.34
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30
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40
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5
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4.32
|
100
|
108
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4
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10.26
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160
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172
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6
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24.56
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40
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45
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2.5
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2.62
|
100
|
114
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7
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18.47
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160
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180
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10
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41.92
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40
|
51
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5.5
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6.17
|
100
|
121
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10.5
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28.61
|
160
|
184
|
12
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50.90
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|
50
|
55
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2.5
|
3.24
|
100
|
127
|
13.5
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37.79
|
160
|
194
|
17
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74.20
|
|
50
|
60
|
5
|
6.78
|
110
|
119
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4.5
|
12.71
|
180
|
192
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6
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27.52
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|
50
|
63
|
6.5
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9.06
|
110
|
133
|
11.5
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34.46
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180
|
194
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7
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32.28
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50
|
65
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7.5
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10.63
|
110
|
140
|
15
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46.42
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180
|
203
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11.5
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54.31
|
|
50
|
70
|
10
|
14.80
|
120
|
140
|
10
|
32.06
|
180
|
219
|
19.5
|
95.93
|
|
55
|
65
|
5
|
7.40
|
120
|
146
|
13
|
42.64
|
200
|
216
|
8
|
41.03
|
|
55
|
70
|
7.5
|
11.56
|
125
|
135
|
5
|
16.03
|
200
|
219
|
9.5
|
49.08
|
|
60
|
70
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5
|
8.01
|
125
|
140
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7.5
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24.51
|
200
|
240
|
20
|
108.501
|
|
60
|
75
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7.5
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12.48
|
125
|
152
|
13.5
|
46.11
|
200
|
245
|
22.5
|
123.45
|
|
63
|
69
|
3
|
4.88
|
125
|
159
|
17
|
59.53
|
220
|
245
|
12.5
|
71.67
|
|
63
|
72
|
4.5
|
7.49
|
140
|
152
|
6
|
21.60
|
220
|
273
|
26.5
|
161.09
|
|
63
|
76
|
6.5
|
11.14
|
140
|
159
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9.5
|
35.00
|
250
|
270
|
10
|
64.12
|
|
63
|
83
|
10
|
18.00
|
140
|
163
|
11.5
|
42.96
|
250
|
299
|
24.5
|
165.80
|
|
70
|
83
|
6.5
|
12.26
|
140
|
168
|
14
|
53.17
|
280
|
325
|
22.5
|
167.84
|
|
70
|
86
|
8
|
15.39
|
140
|
178
|
19
|
74.50
|
300
|
325
|
12.5
|
96.33
|
|
80
|
86
|
3
|
6.14
|
140
|
180
|
20
|
78.91
|
300
|
351
|
25.5
|
204.68
|
|
80
|
95
|
7.5
|
16.18
|
150
|
160
|
5
|
19.11
|
300
|
377
|
38.6
|
321.38
|
|
80
|
102
|
11
|
24.68
|
150
|
163
|
6.5
|
25.09
|
320
|
351
|
15.5
|
128.24
|
|
80
|
108
|
14
|
32.45
|
150
|
168
|
9
|
35.29
|
320
|
377
|
28.5
|
224.93
|
|
90
|
103
|
6.5
|
15.47
|
150
|
178
|
14
|
56.60
|
400
|
426
|
13
|
132.40
|
|
90
|
108
|
9
|
21.97
|
150
|
180
|
15
|
61.03
|
400
|
480
|
40
|
434.02
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