CN111001659A
|
|
Production method of seamless steel tube with diameter of 1700-2000mm
|
CN110355208A
|
|
The anti-oxidant device of nitrogen blowing in a kind of perforation mandril cooling of plug and hollow billet
|
CN110393976A
|
|
Abrasive material is unpowered recycling separator
|
CN110404972A
|
|
A kind of production method for the seamless steel pipe that diameter is 1422mm
|
CN110331333A
|
|
The pipe and its production method of X80 pipeline seamless large-diameter pipes
|
CN110404973A
|
|
A kind of manufacturing method for the seamless steel pipe that diameter is 760mm~914mm
|
CN109058753A
|
|
A kind of marine worker pressure vessel bottle and its production method
|
CN107803411A
|
|
A kind of manufacture method of super austenitic stainless steel seamless large-diameter pipes
|
CN105619085A
|
|
Production technology for large-volume steel seamless cylinder with diameter being 914 mm
|
CN105567916A
|
|
High-volume steel seamless gas cylinder heat treatment method
|
CN105728576A
|
|
Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder
|
CN105234463A
|
|
Deep hole boring process of cross-pierced tube blanks of high-alloy large-diameter seamless steel tubes
|
CN105234200A
|
|
On-line tube-expanding production process of large-diameter seamless steel tubes
|
CN105478478A
|
|
Process for forming large-diameter seamless thick-wall and extra-strong steel pipes
|
CN105234178A
|
|
Flexible process route for producing large-caliber seamless steel tube
|
CN106694555A
|
|
Method for producing large-caliber seamless steel tube through piercing, tube reducing and skew rolling
|
CN106695029A
|
|
Device for machining internal thread of cylinder opening of large-volume steel seamless gas cylinder
|
CN106694554A
|
|
Method for producing large-caliber seamless steel pipe through perforation, reducing, skew-rolling, reeling and sizing
|
CN105290734A
|
|
Machining technology of large-volume steel seamless cylinder opening
|
CN106694556A
|
|
Method for producing large-diameter seamless steel pipe through heating, perforating and skew rolling
|