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 | | *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 *新國家不銹鋼標(biāo)準(zhǔn)/尺寸/壁厚/外徑及允許偏差 |