CN112210639A
|
|
Method for rapidly dephosphorizing by electric arc furnace
|
CN112139291A
|
|
Shape correcting device and shape correcting method for deformed large-diameter ellipsoidal seal head
|
CN112139416A
|
|
Preparation method and die of extra-large-size special-shaped ring forging with outer steps
|
CN111790899A
|
|
Tundish for steel ingot casting and preparation method thereof
|
CN111702154A
|
|
Tundish inner wall cleaning method
|
CN111534665A
|
|
Pouring method of large vacuum steel ingot
|
CN111722593A
|
|
Center hole machining and model selection method
|
CN111283172A
|
|
Pouring technology for ensuring manganese content of steel for nuclear power
|
CN111323142A
|
|
Method for testing furnace temperature uniformity and mounting thermocouple
|
CN111139364A
|
|
Manufacturing method of over 40 tons of 9Ni large steel ingots
|
CN111187918A
|
|
Control method for nonmetallic inclusions in 9Ni steel ingot with weight of more than 30 tons
|
CN111270081A
|
|
Method for controlling gas element content in 9Ni steel ingot of more than 40 tons
|
CN111112534A
|
|
Third-generation nuclear power coolant pump shell profile forging stepped core rod and application
|
CN111014540A
|
|
Third-generation nuclear power coolant pump shell profiling forging forming method
|
CN111014528A
|
|
Forging forming method of large plate part
|
CN110940191A
|
|
Electric furnace lid center piece and material thereof
|
CN110926214A
|
|
Electric furnace cover and material thereof
|
CN110919088A
|
|
Machining device, circular arc sawing machine and machining method
|
CN110763763A
|
|
Automatic ultrasonic detection device for inner hole of small-diameter long hole casting
|
CN110640120A
|
|
Manufacturing device and manufacturing method of stainless steel electroslag remelting steel ingot
|