钢管外径允许偏差(英文)
发布日期：2010-11-09 来源：互联网 作者：manage 浏览次数：
461
核心提示：
Category
Outside Diameter (D)
Permissible Deviation
Higher Grade (A)
Common Grade (B)
Welded state
<20
±02.0
±03.0
>~02=<05
±04.0
±05.0
>05=
±D%8.0
±D%0.1
Heat treatmen
|
Category |
Outside Diameter (D) |
Permissible Deviation |
|
Higher Grade (A) |
Common Grade (B) |
|
Welded state |
<20 |
±02.0 |
±03.0 |
|
>~02=<05 |
±04.0 |
±05.0 |
|
>05= |
±D%8.0 |
±D%0.1 |
|
Heat treatment state |
<13 |
±02.0 |
±52.0 |
|
>~31=<52 |
±03.0 |
±04.0 |
|
>~52=<04 |
±04.0 |
±06.0 |
|
>~04=<56 |
±06.0 |
±08.0 |
|
>~56=<09 |
±08.0 |
±00.1 |
|
>~09=<041 |
±00.1 |
±02.1 |
|
>~041=<003 |
±D%0.1 |
±D%5.1 |
|
>~003=<005 |
±D%8.0 |
±D%0.1 |
|
>005= |
According to agreement |
According to agreement |
|
Cold-drawn (cold-rolled) state |
<25 |
±01.0 |
±21.0 |
|
Grinding and finish state |
>~52=<04 |
±21.0 |
±51.0 |
|
|
>~04=<05 |
±51.0 |
±81.0 |
|
|
>~05=<06 |
±81.0 |
±02.0 |
|
|
>~06=<07 |
±02.0 |
±32.0 |
|
|
>~07=<08 |
±32.0 |
±52.0 |
|
|
>~08=<09 |
±52.0 |
±03.0 |
|
|
>~09=<001 |
±03.0 |
±04.0 |
|
|
>001= |
±D%4.0 |
±D%5.0 |
|
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