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Stainless steel surface 1 0

张公山寨 2017-07-17

Would like to ask, now stainless steel equipment manufacturing is completed, the surface i..

Tube sheet cost meter 1 0

Mrs.wu 2017-07-16

Ask a question, a heat exchanger, shell course is carbon steel, tube process is S30408 sta..

People Kongxuan 1 0

jacky zhu 2017-07-16

The design pressure is -0.05MPa. What grade should manholes be chosen? Is the atmospheric ..

Pressure gauge thread connection 1 0

啊呀呀 2017-07-15

Great God, please consult the pressure gauge. Is the thread connection left-handed or righ..

Highly hazardous medium selection flange seal 1 0

gr888 2017-07-15

If it is a highly hazardous medium, is it possible to choose flanges with mortise and teno..

Does the head come with the parent material? 1 0

海阔天空 2017-07-15

16MnDR material head, is it necessary to take the parent material test board?..

Heat treatment test 1 0

hao先生 2017-07-13

There are 6 U2 equipment of the same size. The equipment is welded by several forgings. Th..

八公山下 2017-07-10

Ring lining equipment flange, heat treatment after the need for finishing it?..

Hot dip galvanized fasteners 1 0

大菁菁 2017-07-10

A recent project requires all bolts and nuts to be hot-dip galvanized. Does this galvanizi..

Stud magnetic powder prospecting 1 0

wangliang 2017-07-06

Ladies and gentlemen, is there any standard that states that a stud larger than or equal t..

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