高压锅炉管用途
用于低中压锅炉(工作压力一般不大于5.88Mpa,工作温度在450℃以下)的受热面管子;用于高压锅炉(工作压力一般在9.8Mpa以上,工作温度在450℃~650℃之间)的受热面管子、省煤器、过热器、再热器、石化工业用管等。
高压锅炉管尺寸公差
钢管种类 |
外径(D) |
壁厚(S) |
|
冷拔管 |
钢管外径(mm) |
允许偏差(mm) |
钢管壁厚(mm) |
允许偏差(mm) |
>30~50 |
±0.3 |
>3~20 |
±10% |
|

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第三,探讨利用碳排放引导机制来优化行业产能治理。“我们现在更多的是使用行政方法控制产能,但最好的状态应当是通过20g钢管市场化手段,交给企业自己决定,利用控制碳排放总量倒逼企业提升绿色生产水平,从而实现对产能的优化。”何文波说。
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