BE526477A - - Google Patents
Info
- Publication number
- BE526477A BE526477A BE526477DA BE526477A BE 526477 A BE526477 A BE 526477A BE 526477D A BE526477D A BE 526477DA BE 526477 A BE526477 A BE 526477A
- Authority
- BE
- Belgium
- Prior art keywords
- blank
- mandrel
- rolling
- hollow blank
- hot
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000002238 attenuated Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526477A true BE526477A (de) |
Family
ID=160429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526477D BE526477A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE526477A (de) |
-
0
- BE BE526477D patent/BE526477A/fr unknown
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