规格:缸径50-400mm 壁厚5-50mm 标准规格见背面附表 材质:20# 45# 标准:GB8713—88
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品种
加工形式 |
缸径 |
长度 |
直线度 |
尺寸精度 |
内孔粗度 |
冷拔 |
50-250 |
< 10米 |
0.5-1.0 |
H8-H10 |
0.8-1.6 |
珩磨 |
50-400 |
< 10米 |
0.5-1.0 |
H7-H9 |
0.4-0.8 |
车镗滚压 |
200-400 |
< 1.5米 |
|
H9 |
0.4 | |
力学性能
钢种 |
项目 |
冷拔管 |
车镗管 |
20# |
抗拉强度δ6N/mm2 |
≥510 |
≥390 |
生长率δ5% |
≥5 |
≥20 |
40# |
抗拉强度δ6N/mm2 |
≥647 |
≥590 |
生长率δ5-% |
≥4 |
≥4 | |
尺寸公差
内径尺寸 |
内 径 偏 差 |
壁厚偏差 |
|
H8 |
H9 |
H10 |
±5% |
> 50-80 |
+0.046 |
+0.074 |
+0.120 |
0 |
0 |
0 |
> 80-120 |
+0.054 |
+0.087 |
+0.140 |
0 |
0 |
0 |
> 180-250 |
+0.072 |
+0.115 |
+0.185 |
0 |
0 |
0 |
> 250-315 |
+0.081 |
+0.130 |
+0.210 |
0 |
0 |
0 |
> 315-400 |
+0.089 |
+0.140 |
+0.230 |
0 |
0 |
0 | |
标准规格
内径 mm |
外径 mm |
壁厚 mm |
单重 kg/M |
内径 mm |
外径 mm |
壁厚 mm |
单重 kg/M |
内径 mm |
外径 mm |
壁厚 mm |
单重 kg/M |
50 |
55 |
2.5 |
3.24 |
110 |
127 |
8.5 |
24.84 |
160 |
194 |
17 |
74.20 |
50 |
60 |
5 |
6.78 |
110 |
120 |
5 |
14.18 |
180 |
192 |
6 |
27.52 |
50 |
63 |
6.5 |
9.06 |
110 |
133 |
11.5 |
34.46 |
180 |
194 |
6 |
27.52 |
50 |
65 |
7.5 |
10.63 |
110 |
140 |
15 |
46.24 |
180 |
203 |
11.5 |
54.31 |
50 |
70 |
10 |
14.80 |
120 |
145 |
12.5 |
40.84 |
200 |
213 |
6.5 |
33.1 |
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 |
5 |
8.01 |
125 |
140 |
7.5 |
24.51 |
200 |
240 |
20 |
108.50 |
60 |
75 |
7.5 |
12.48 |
125 |
152 |
13.5 |
46.11 |
200 |
245 |
22.5 |
123.45 |
63 |
70 |
5 |
5.74 |
125 |
159 |
17 |
59.53 |
220 |
245 |
12.5 |
71.67 |
63 |
72 |
4.5 |
7.49 |
140 |
152 |
6 |
21.60 |
250 |
266 |
8 |
50.9 |
63 |
76 |
6.5 |
11.14 |
140 |
159 |
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 |
38.5 |
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 |
244.93 |
90 |
104 |
7 |
16.74 |
150 |
178 |
14 |
56.60 |
400 |
462 |
13 |
132.40 |
90 |
108 |
9 |
21.97 |
150 |
180 |
15 |
61.03 |
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160 |
170 |
5 |
20.34 |
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160 |
172 |
6 |
24.56 |
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160 |
180 |
10 |
41.92 |
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160 |
184 |
12 |
50.90 |
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其他特殊规格和要求均可按双方协议供货
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