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指标名称 | 单位 | 指标值 |
密度 | g/cm3 | 0.90-0.93 |
拉伸强度 | Mpa | ≥23 |
断裂伸长率 | % | ≥150 |
悬臂梁冲击强度 | KJ/M2 | ≥10 |
热变形温度 | ℃ | ≥120 |
20℃液压试验 (瞬时爆破环向应力) |
Mpa | ≥2.2 |
扁平试验 | 压到管材外径的1/2无裂缝 | |
线膨胀系数 | 10-5m/m.℃ | ≤13 |
公称外径(D) | 外径偏差 | 0.3MPa | 0.4MPa | 0.6MPa | 0.8MPa | 1MPa |
S+偏差 | S+偏差 | S+偏差 | S+偏差 | S+偏差 | ||
25 | ±0.3 | - | - | - | - | 2.5+0.4 |
32 | 0.3 | - | - | - | 2.8+0.4 | 3.0+0.5 |
40 | 0.4 | - | - | - | 3.0+0.5 | 3.4+0.5 |
50 | 0.5 | - | - | 3.0+0.5 | 3.4+0.6 | 4.2+0.6 |
63 | 0.5 | - | 2.8+0.5 | 3.3+0.6 | 4.3+0.7 | 5.2+0.7 |
75 | 0.7 | - | 3.0+0.5 | 3.9+0.6 | 5.1+0.8 | 6.2+0.9 |
90 | 0.9 | - | 3.2+0.6 | 4.7+0.7 | 6.1+0.9 | 7.5+1.0 |
110 | 1 | - | 3.9+0.6 | 5.7+0.8 | 7.5+1.0 | 9.1+1.2 |
125 | 1.2 | - | 4.4+0.7 | 6.5+0.9 | 8.5+1.1 | 10.4+1.3 |
140 | 1.3 | - | 5.0+0.7 | 7.2+1.0 | 9.5+1.2 | 11.6+1.4 |
160 | 1.5 | - | 5.7+0.8 | 8.3+1.1 | 10.8+1.3 | 13.3+1.6 |
180 | 1.7 | - | 6.4+0.9 | 9.3+1.2 | 12.2+1.4 | 14.9+1.7 |
200 | 1.8 | - | 7.1+1.0 | 10.3+1.3 | 13.6+1.6 | 16.6+1.9 |
225 | 2.1 | - | 7.9+1.0 | 11.6+1.4 | 15.2+1.7 | 18.7+2.1 |
250 | 2.3 | - | 8.8+1.1 | 12.9+1.5 | 17.0+1.9 | 20.7+2.3 |
280 | 2.6 | - | 9.9+1.2 | 14.4+1.7 | 18.9+2.1 | 21.2+2.6 |
315 | 2.9 | - | 11.1+1.3 | 16.2+1.9 | 21.2+2.4 | 22.4+3.6 |
355 | 3.2 | - | 12.5+1.5 | 18.3+2.1 | 21.4+2.4 | 23+4.6 |
400 | 3.6 | - | 14.1+1.7 | 20.6+2.3 | 22.9+3.0 | 23.6+5.2 |
450 | 4.1 | - | 15.8+2.6 | 22.5+4.1 | 23.7+4.8 | - |
500 | 4.5 | 14.2+2.3 | 17.6+2.9 | 25.7+4.1 | 26+5.3 | - |
560 | 5.1 | 15.9+2.6 | 19.7+3.2 | 28.7+4.5 | - | - |
630 | 5.5 | 17.8+2.9 | 22.1+3.4 | 32.7+5.0 | - | - |
710 | 6.4 | 20.1+3.4 | 25.0+4.0 | 35.5+5.5 | - | - |
800 | 7.2 | 22.6+3.6 | 28.2+4.5 | - | - | - |
900 | 7.6 | 23.3+4.1 | 29.5+4.8 | - | - | - |
1000 | 8.1 | 24.2+4.3 | 31.7+5.2 | - | - | - |