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15CrMo steel can use -20 degree 1 0

阳光boy 2017-11-22

Can 15CrMo steel use -20 degree?..

Inner cylinder meter 1 0

hao先生 2017-11-21

How to calculate the inner cylin..

Reactor support 1 0

大菁菁 2017-11-20

What kind of support is suitable for the next 150 cubic reactors?..

Bolt and nut selection 1 0

coco 2017-11-20

Is the A2-70 bolt fit with the A2-70 nut or the A2-50 nut?..

Department head seam welded joints 1 0

big yang 2017-11-16

The overall equipment is 20% parts RT, the head is spliced, the calculation of the head we..

Taper thread, cylindrical screw 1 0

大菁菁 2017-11-16

What are the differences between the lower thread Rp and G, the taper thread and the cylin..

U - tube heat exchanger pad 1 0

糖心鸡蛋 2017-11-15

Ask God: the design pressure of 14.7 U-shaped pipe heat exchanger, between the tube plate ..

Two channel welding 1 0

张公山寨 2017-11-15

Excuse me, two channel feet to the feet welding, need to open groove?..

Manhole type selection 1 0

光头强 2017-11-14

Hello, ask questions, left head horizontal vessel manhole, the manhole cover is relatively..

The tower is flat 1 0

啊呀呀 2017-11-13

There is a platform on the general tower. How thick is the pattern board on the platform?..

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