|
CN112170523A
|
|
Hot extrusion molding method of copper alloy rail
|
|
CN112111641A
|
|
Heat treatment method of thick-wall L80-13Cr seamless steel tube
|
|
CN112170519A
|
|
Production method of L80-9Cr martensitic stainless steel pipe
|
|
CN112207145A
|
|
Hot extrusion molding method of stainless steel rail
|
|
CN112238328A
|
|
Preparation method of high-steel-grade Ni-based alloy
|
|
CN112170522A
|
|
C-shaped sliding rail hot extrusion molding method
|
|
CN112170520A
|
|
Production method and production system of 110-steel-grade super dual-phase steel seamless steel pipe
|
|
CN109848230A
|
|
A kind of hot extrusion molding method of channel steel
|
|
CN109848245A
|
|
A kind of production method of integrally finned tubes
|
|
CN109530458A
|
|
A kind of certainly strong step cooling bed conveying device of high temperature
|
|
CN109365564A
|
|
A kind of extruding production of zirconium alloy pipe
|
|
CN109365533A
|
|
A kind of novel puncher mandril assembly device and its installation method
|
|
CN109433849A
|
|
A kind of cold shallow pass increases the manufacturing method of wall thick technique production cold pilger mill core bar
|
|
CN109023078A
|
|
A kind of pipe for oil well use steel alloy of 80KSI anti-H 2 S stress corrosion and preparation method thereof
|
|
CN107901380A
|
|
A kind of profile shapes demoulding tooling
|
|
CN107934471A
|
|
A kind of tail pad adjusts tilting prevention device
|
|
CN107941012A
|
|
A kind of tail pads stove splicing feed system
|
|
CN107916366A
|
|
A kind of low-alloy steel for being used to produce 170ksi grade of steel steel pipes
|
|
CN107841680A
|
|
A kind of pipe for oil well use low-alloy steel of 80Ksi grade of steels corrosion-and high-temp-resistant
|
|
CN107671131A
|
|
A kind of ultralong steel tube draw device
|
