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Why do we have to make a big and small change in this place?
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是董小姐呀
2019-09-12
Why does this place get bigger and bigger?
[this_is_pic_0..
Q345r Open Plate in Pressure Vessel Application What Requirements
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wangliang
2019-09-09
Q345r Open Plate in Pressure Vessel Application What Requirements..
Which thickness is the heat preservation time of long neck flange box calculated by?
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专业蓝领30年
2019-09-05
Which thickness is the heat preservation time of long neck flange box calculated by?..
What is the allowable fluctuation range for holding pressure for a long enough time? Where are the rules?
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阳光boy
2019-09-03
What is the allowable fluctuation range for holding pressure for a long enough time? Where..
What is the nominal diameter of the pipe of phi 51?
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zhaolin
2019-08-21
& What is the nominal diameter of phi; 51 pipe?..
Ask, what is the overpressure limit in SW6 and what does it mean?
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litian
2019-08-16
Ask, what is the overpressure limit in SW6 and what does it mean?..
Who knows why Jinlin sheet metal unfolding map can not be transferred to cad?
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小鱼曾乖乖
2019-08-12
Who knows why Jinlin sheet metal unfolding map can not be transferred to cad?..
Consult me, stress analysis equipment write welding joint coefficient
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是董小姐呀
2019-08-09
Consult me, stress analysis equipment write welding joint coefficient..
GB150 Modified Document Says Not to Be Used for Heat Exchange of Shell and Tube Heat Exchangers
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专业蓝领30年
2019-08-05
GB150 revised document said that it should not be used for heat exchanger tubes of shell-a..
Later pressure vessel design certificate must be A1A2A3.
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zhaolin
2019-07-26
What I want to say is, at present, A1A2 qualifications. Next year, if you need A3 qualific..
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The whole welding of small U bend for fin heat exchanger..
Dissimilar steel welding qualification
Everybody, cylinder material Q345R...
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