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51670 material make 1 0

coco 2017-12-27

Would you like to use -46 C for SA-516 70?..

Impact test 0 0

加油beyond 2017-12-26

If you need to use the working condition of -15 C, whether the plate needs to do the impac..

Qualified level of flaw detection 1 0

small qin 2017-12-26

Excuse me, is the qualified level of 100%RT required at II level now..

Fluorosilicability 1 0

gr888 2017-12-25

Can fluorine rubber withstand acid and high temperature..

Surface 1 0

big yang 2017-12-25

Steel plate surface processing requirements 1D (hot rolling, heat treatment, pickling) ref..

Elastic modulus of titanium 1 0

八公山下 2017-12-23

Where can you find the elastic modulus of the titanium material?..

-20 degree storage tank selection 1 0

张公山寨 2017-12-22

If the tank is installed in the outdoor, the material should meet the 20 degrees Celsius, ..

Austenitic steel 100%R 1 0

张公山寨 2017-12-21

When the thickness of austenite steel is specified in the next GB150.4, it must be 100%RT..

Metal winding 1 0

大菁菁 2017-12-21

Can the metal winding pad be reused, please..

Big opening 1 0

hao先生 2017-12-20

Large manhole, the diameter of the reinforcement ring 1150, how to set out..

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