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Is this weld unreasonable? If the nozzle wall thickness is too thin, is it easy to weld? 1 0

wangliang 2018-08-27

Ask a question. This is a fillet weld on the drum. The working pressure of the drum is 4.3..

The external pressure vessel is used for hydraulic pressure test. 1 0

海阔天空 2018-08-22

The external pressure vessel is used for hydraulic pressure test...

The medium temperature is -25 degree atmospheric tank, lined inside. The shell needs 16MnDR. 1 0

TuKai 2018-08-20

Excuse me, the medium temperature is -25°, the atmospheric tank, lined inside. The shel..

Let me ask you a question. Is ammonia the first medium or the second group? 1 0

hao先生 2018-08-17

Ask me if ammonia belongs to the first group or the second group. According to the volume ..

Are the butt welds of the heat exchanger tubes 100% flaw detection? 1 0

阳光boy 2018-08-15

Are the butt welds of the heat exchanger tubes 100% flaw detection?..

Parents, the feet of the semi coil pipe are much more written. 0 0

光头强 2018-08-08

Parents, the height of the welding feet of the semi coil tube
[this_is_pic_0..

If Q245R heat treatment, should normalizing plate be specially proposed? 0 0

啊呀呀 2018-08-07

Do Q245R heat treatment require special specification for normalizing plate?
Request..

The maximum thickness of the heat treatment report is the maximum thickness of the weld. 0 0

啊呀呀 2018-08-06

The maximum thickness of the heat treatment report is the maximum thickness of the weld.

Non standard flange. If seal is not required, what specifications are there in size? 0 0

一路向东 2018-08-03

Non standard flange, if seal is not required, what specifications are there in size only, ..

Manhole standard is Q345R material. Can 20# tube be used instead? 0 0

是董小姐呀 2018-07-30

The manhole standard is Q345R material
Can it be replaced by the 20# tube?
Do you ne..

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The whole welding of small U bend for fin heat exchanger..

Dissimilar steel welding qualification

Everybody, cylinder material Q345R...

Do you feel tired? That's because they don't manage

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