项目
|
单位
|
指标
|
拉伸强度
|
MPA
|
≥9.6
|
断裂伸长度
|
%
|
≥200
|
20?C水压试验(瞬时爆破压力)
|
MPa
|
≥3倍工作压力
|
外径
|
外径公差
|
压力等级Mpa
|
|||
0.4
|
0.6
|
||||
壁厚
|
公差
|
壁厚
|
公差
|
||
20
|
+0.3
|
2.0
|
+0.4
|
2.0
|
+0.4
|
25
|
+0.3
|
2.0
|
+0.4
|
2.3
|
+0.5
|
32
|
+0.3
|
2.0
|
+0.4
|
2.9
|
+0.5
|
40
|
+0.4
|
2.4
|
+0.5
|
3.7
|
+0.6
|
50
|
+0.5
|
3.0
|
+0.5
|
4.6
|
+0.7
|
63
|
+0.6
|
3.8
|
+0.6
|
5.8
|
+0.8
|
75
|
+0.7
|
4.5
|
+0.7
|
6.9
|
+0.9
|
90
|
+0.9
|
5.3
|
+0.8
|
8.2
|
+1.1
|
110
|
+1.0
|
6.5
|
+0.9
|
1.0
|
+1.2
|
125
|
+1.2
|
7.4
|
+1.0
|
11.4
|
+1.4
|
140
|
+1.3
|
8.3
|
+1.1
|
12.8
|
+1.5
|
160
|
+1.5
|
9.5
|
+1.2
|
14.6
|
+1.7
|
180
|
+1.7
|
10.6
|
+1.3
|
16.4
|
+1.9
|
200
|
+1.8
|
11.8
|
+1.4
|
18.2
|
+2.1
|
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