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Oil Cracking Tube

标准 Standard

GB9948

●用途 Uses

用于制造石油精炼厂的炉管、热交换器管和管道

 

●尺寸偏差

钢管种类

钢管尺寸

允许偏差

热轧管

外径

≤ 159

± 1.00%

> 159

± 1.25%

壁厚

≤ 20

± 12.5%

> 20

± 10.0%

冷拔管

外径

≤ 30

± 0.20

30~50

± 0.30

> 50

± 0.8%

壁厚

≤ 3

+ 12%

- 10%

> 3

± 10%

●规格表 Size

 

[Source:原创] [Author:上海月月潮] [Date:09-10-12] [Hot:]
nextpage:Shipping Tube

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