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0Cr18Ni11Nb不銹鋼化學(xué)成份：
碳 C ：≤0.08；硅 Si：≤1.00；錳 Mn：≤2.00；硫 S ：≤0.030
磷 P ：≤0.035；鉻 Cr：17.00～19.00；鎳 Ni：9.00～13.00；鈮 Nb：≥10×C%
|
外徑允許偏差 |
6 ～ 10 ± 0.20
D> 10～30 ± 0.30
D>30 ～ 50 ± 0.40
D>50 公稱直徑 × 0.9% |
壁
厚
允
許
偏
差 |
允許偏差 |
壁厚不均范圍 |
不圓度范圍 |
|
0.5 ± 0.07 |
0.11 |
φ 32 |
0.64 |
|
0.6 ± 0.08 |
0.13 |
φ 35 |
0.64 |
|
0.8 ± 0.11 |
0.18 |
φ 38 |
0.64 |
|
1.0 ± 0.14 |
0.22 |
φ 42 |
0.64 |
|
1.2 ± 0.17 |
0.27 |
φ 45 |
0.64 |
|
1.4 ± 0.20 |
0.32 |
φ 48 |
0.64 |
|
1.5 ± 0.21 |
0.34 |
φ 50 |
0.64 |
|
1.6 ± 0.22 |
0.35 |
φ 57 |
0.82 |
|
2.0 ± 0.28 |
0.45 |
φ 60 |
0.86 |
|
2.2 ± 0.30 |
0.48 |
φ 62 |
0.89 |
|
2.5 ± 0.35 |
0.56 |
φ 70 |
1.01 |
|
2.7 ± 0.38 |
0.61 |
φ 74 |
1.06 |
|
3.0 ± 0.42 |
0.67 |
φ 76 |
1.09 |
|
3.2 +0.40–0.32 |
0.58 |
φ 80 |
1.15 |
|
3.5 +0.44 0.35 |
0.63 |
φ 85 |
1.22 |
|
4.0 +0.50-0.40 |
0.72 |
φ 89 |
1.28 |
|
4.5 +0.56–0.45 |
0.81 |
φ 90 |
1.30 |
|
5.0 +0.63–0.50 |
0.90 |
φ 95 |
1.37 |
|
5.5 +0.68–0.55 |
0.98 |
φ 108 |
1.56 |
|
6.0 +0.75–0.60 |
1.08 |
φ 114 |
1.64 |
|
6.5 +0.81–0.65 |
1.17 |
φ 133 |
1.92 |
|
7.0 +0.88–0.70 |
1.26 |
φ 159 |
2.29 |
|
7.5 +0.93–0.75 |
1.34 |
φ 168 |
2.42 |
|
8.0 +1.0 –0.8 |
1.44 |
φ 180 |
2.59 |
|
8.5 +1.06–0.85 |
1.53 |
φ 219 |
3.15 |
|
9.0 +1.12–0.90 |
1.66 |
φ 273 |
3.93 |
|
9.5 +1.17–0.95 |
1.71 |
φ 325 |
4.68 |
|
10 +1.25 –1.00 |
1.80 |
φ 426 |
6.13 |
|
12 +1.50 –1.20 |
2.16 |
φ 580 |
8.35 |
|
14 +1.75 –1.40 |
2.52 |
φ 610 |
8.76 |
|
8 ～ 30 ± 0.20
> 30～50 ± 0.30
>50 公稱直徑 × 0.8% |
壁
厚
允
許
偏
差 |
0.5 +0.06 – 0.05 |
3.8 +0.38 – 0.38 |
|
0.6 +0.07 – 0.05 |
4.0 +0.40 – 0.40 |
|
0.7 +0.08 0.07 |
4.2 +0.42 – 0.42 |
|
0.8 +0.10 – 0.08 |
4.5 +0.45 – 0.45 |
|
0.9 +0.11 – 0.09 |
4.7 +0.47 – 0.47 |
|
1.0 +0.12 – 0.10 |
5.0 +0.50 – 0.50 |
|
1.1 +0.13 – 0.11 |
5.2 +0.52 – 0.52 |
|
1.2 +0.14 – 0.12 |
5.5 +0.55 – 0.55 |
|
1.3 +0.16 – 0.13 |
5.8 +0.58 – 0.58 |
|
1.4 +0.17 – 0.14 |
6.0 +0.60 – 0.60 |
|
1.5 +0.18 – 0.15 |
6.2 +0.62 – 0.62 |
|
1.6 +0.19 – 0.16 |
6.3 +0.63 – 0.63 |
|
1.8 +0.22 – 0.18 |
6.5 +0.65 – 0.65 |
|
2.0 +0.24 – 0.20 |
6.8 +0.68 – 0.68 |
|
2.1 +0.25 – 0.21 |
7.0 +0.70 – 0.70 |
|
2.2 +0.26 – 0.22 |
7.2 +0.72 – 0.72 |
|
2.3 +0.28 – 0.23 |
7.5 +0.75 – 0.75 |
|
2.5 +0.30 – 0.25 |
8.0 +0.80 – 80 |
|
2.6 +0.31 – 0.26 |
8.2 +0.82 – 0.82 |
|
2.7 +0.32 – 0.27 |
8.5 +0.85 – 0.85 |
|
2.8 +0.34 – 0.28 |
8.8 +0.88 – 0.88 |
|
3.0 +0.36 – 0.30 |
9.0 +0.90 – 0.90 |
|
3.2 +0.32 – 0.32 |
9.2 +0.92 -0.92 |
|
3.3 +0.33 – 0.33 |
10 +1.00 – 1.00 |
|
3.4 +0.34 – 0.34 |
12 +1.20 – 1.20 |
|
3.5 +0.35 – 0.35 |
14 +1.40 – 1.40
|
|
|
