銷(xiāo)售熱線：13589464666
（90-18）*18*0.02466＝42.6公斤
|
76 |
23.68 |
24.74 |
25.75 |
26.71 |
- |
- |
- |
- |
- |
- |
|
83 |
26.44 |
27.67 |
28.85 |
29.99 |
- |
- |
- |
- |
- |
- |
|
89 |
28.80 |
30.19 |
31.52 |
32.80 |
34.03 |
36.35 |
38.47 |
- |
- |
- |
|
95 |
31.17 |
32.70 |
34.18 |
35.61 |
36.99 |
39.61 |
42.02 |
- |
- |
- |
|
鋼種 |
力學(xué)性能 |
冷拔(軋)管 |
金切管 |
|
20# |
抗拉強(qiáng)度σbN/mm2
伸長(zhǎng)率δ5% |
≥510 |
≥390 |
|
≥5 |
≥20 | ||
|
45# |
≥647 |
≥590 | |
|
≥4 |
≥4 |
|
加工形式 |
缸徑 |
長(zhǎng)度 |
直線度 |
尺寸精度 |
內(nèi)孔粗糙度 |
|
冷軋 |
30-100 |
≤12M |
0.3-1.0 |
H8-H10 |
0.4-1.6 |
|
冷拔 |
30-250 |
≤12M |
H8-H10 |
0.8-1.6 | |
|
珩磨 |
40-500 |
≤12M |
1000 |
H8-H9 |
0.4-0.8 |
|
滾壓 |
40-400 |
≤7M |
H8 |
0.4 |
|
尺寸公差(壁厚偏差±5%) | |||
|
內(nèi)徑尺寸 |
H8 |
H9 |
H10 |
|
30 |
+0.033
0 |
+0.052
0 |
+0.084
0 |
|
＞30-50 |
+0.039
0 |
+0.062
0 |
+0.100
0 |
|
＞50-80 |
+0.046
0 |
+0.074
0 |
+0.120
0 |
|
＞80-120 |
+0.054
0 |
+0.087
0 |
+0.140
0 |
|
＞120-180 |
+0.063
0 |
+0.100
0 |
+0.160
0 |
|
＞180-250 |
+0.072
0 |
+0.115
0 |
+0.185
0 |
|
＞250-315 |
+0.081
0 |
+0.130
0 |
+0.210
0 |
|
＞315-400 |
+0.089
0 |
+0.140
0 |
+0.230
0 |
