JPH0437251U - - Google Patents
Info
- Publication number
- JPH0437251U JPH0437251U JP7732890U JP7732890U JPH0437251U JP H0437251 U JPH0437251 U JP H0437251U JP 7732890 U JP7732890 U JP 7732890U JP 7732890 U JP7732890 U JP 7732890U JP H0437251 U JPH0437251 U JP H0437251U
- Authority
- JP
- Japan
- Prior art keywords
- weight
- less
- skid
- allowed
- amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011823 monolithic refractory Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 5
- 238000010438 heat treatment Methods 0.000 claims 5
- 239000010959 steel Substances 0.000 claims 5
- 230000008018 melting Effects 0.000 claims 4
- 238000002844 melting Methods 0.000 claims 4
- 239000000956 alloy Substances 0.000 claims 3
- 229910045601 alloy Inorganic materials 0.000 claims 3
- 239000013078 crystal Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 239000000126 substance Substances 0.000 claims 3
- 239000000919 ceramic Substances 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 2
- 239000011159 matrix material Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims 2
- 229910019589 Cr—Fe Inorganic materials 0.000 claims 1
- 229910000640 Fe alloy Inorganic materials 0.000 claims 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Furnace Charging Or Discharging (AREA)
Description
第1図は本考案の実施例を示す断面図、第2図
は従来例を示す断面図である。
10……スキツドパイプ、20……スキツドボ
タン、30……不定形耐火物層。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional example. 10... skidded pipe, 20... skidded button, 30... monolithic refractory layer.
Claims (1)
され、該パイプの周面に不定形耐火物層が塗設さ
れてなる鋼材加熱炉内のウオーキングビームを構
成するスキツドビームにおいて、 スキツドパイプの頂面に固定されたスキツドボ
タンは、その底面から頂面までの高さHが150
mm以上、不定形耐火物層から上方に突出した部分
の高さPが90mm以上であつて、 上記スキツドボタンは、Cr60〜95重量%
を含有し、Cは0.8重量%以下、Siは5重量
%以下の混在が許容され、残部は実質的にFeで
ある化学組成、および1600℃以上の融点を有
し、平均結晶粒径50μm以上であるCr−Fe
合金からなるブロツクであることを特徴とする鋼
材加熱炉用スキツドビーム。 2 請求項1におけるスキツドボタンが、Cr6
0〜95重量%、およびW:10重量%以下、M
o:10重量%以下、Nb:10重量%以下、T
a:10重量%以下、Hf:10重量%以下、C
o:10重量%以下、Ni:10重量%以下、T
i:10重量%以下、希土類元素:10重量%以
下、Al:10重量%以下、V:10重量%以下
、Mn:10重量%以下の群から選ばれる1種な
いし2種以上の元素を含有し、Cは0.8重量%
以下、Siは5重量%以下の混在が許容され、残
部は実質的にFeである化学組成、および160
0℃以上の融点を有し、平均結晶粒径が50μm
以上であるCr−Fe合金からなるブロツクであ
ることを特徴とする鋼材加熱炉用スキツドビーム
。 3 請求項1におけるスキツドボタンが、Cr6
0〜95重量%を含有し、Cは0.8重量%以下
、Siは5重量%以下の混在が許容され、残部は
実質的にFeである化学組成、および1600℃
以上の融点を有し、平均結晶粒径が50μm以上
である金属マトリツクスと、40容積%以下を占
めるセラミツク分散相との複合組織を有する合金
からなるブロツクであることを特徴とする鋼材加
熱炉用スキツドビーム。 4 請求項1におけるスキツドボタンが、Cr6
0〜95重量%、およびW:10重量以下、Mo
:10重量%以下、Nb:10重量%以下、Ta
:10重量%以下、Hf:10重量%以下、Co
:10重量%以下、Ni:10重量%以下、Ti
:10重量%以下、希土類元素:10重量%以下
、Al:10重量%以下、V:10重量%以下、
Mn:10重量%以下の群から選ばれる1種ない
し2種以上の元素を含有し、Cは0.8重量%以
下、Siは5重量%以下の混在が許容され、残部
は実質的にFeである化学組成、および1600
℃以上の融点を有し、平均結晶粒径が、50μm
以上である金属マトリツクスと、40容積%以下
を占めるセラミツク分散相との複合組織を有する
合金からなるブロツクであることを特徴とする鋼
材加熱炉用スキツドビーム。[Scope of Claim for Utility Model Registration] 1. In a skid beam constituting a walking beam in a steel heating furnace, in which a skid button is fixed in contact with a skid pipe, and a monolithic refractory layer is coated on the circumferential surface of the pipe, The skid button fixed on the top surface has a height H from the bottom surface to the top surface of 150 mm.
mm or more, and the height P of the part protruding upward from the monolithic refractory layer is 90 mm or more, and the skid button has 60 to 95% Cr by weight.
It has a chemical composition in which 0.8% by weight or less of C and 5% by weight or less of Si are allowed to be present, and the balance is substantially Fe, and has a melting point of 1600°C or more, and an average crystal grain size. Cr-Fe with a diameter of 50 μm or more
A skid beam for a steel heating furnace characterized by being a block made of an alloy. 2. The skid button in claim 1 is made of Cr6
0 to 95% by weight, and W: 10% by weight or less, M
o: 10% by weight or less, Nb: 10% by weight or less, T
a: 10% by weight or less, Hf: 10% by weight or less, C
o: 10% by weight or less, Ni: 10% by weight or less, T
Contains one or more elements selected from the group: i: 10% by weight or less, rare earth elements: 10% by weight or less, Al: 10% by weight or less, V: 10% by weight or less, Mn: 10% by weight or less. and C is 0.8% by weight
Hereinafter, a chemical composition in which Si is allowed to be mixed in an amount of 5% by weight or less, and the balance is substantially Fe, and 160% by weight or less is allowed.
Has a melting point of 0°C or higher and an average crystal grain size of 50 μm
A skid beam for a steel heating furnace, characterized in that it is a block made of the above Cr--Fe alloy. 3. The skid button in claim 1 is made of Cr6
0 to 95% by weight, C is allowed to be mixed in an amount of 0.8% by weight or less, Si is allowed to be present in an amount of 5% by weight or less, and the balance is substantially Fe, and the temperature is 1600°C.
For steel heating furnaces, the block is made of an alloy having a composite structure of a metal matrix having a melting point of 50 μm or more and a ceramic dispersed phase that accounts for 40% by volume or less. skid beam. 4. The skid button in claim 1 is made of Cr6
0 to 95% by weight, and W: 10% by weight or less, Mo
: 10% by weight or less, Nb: 10% by weight or less, Ta
: 10% by weight or less, Hf: 10% by weight or less, Co
: 10% by weight or less, Ni: 10% by weight or less, Ti
: 10% by weight or less, rare earth elements: 10% by weight or less, Al: 10% by weight or less, V: 10% by weight or less,
Mn: Contains one or more elements selected from the group of 10% by weight or less, C is allowed to be present in an amount of 0.8% by weight or less, Si is allowed to be present in an amount of 5% by weight or less, and the remainder is substantially Fe. chemical composition, and 1600
It has a melting point of ℃ or more and an average crystal grain size of 50 μm
A skid beam for a steel heating furnace, characterized in that it is a block made of an alloy having a composite structure of the metal matrix as described above and a ceramic dispersed phase occupying 40% by volume or less.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7732890U JPH0437251U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7732890U JPH0437251U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0437251U true JPH0437251U (en) | 1992-03-30 |
Family
ID=31619614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7732890U Pending JPH0437251U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0437251U (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5248090A (en) * | 1975-10-14 | 1977-04-16 | Furukawa Electric Co Ltd:The | Method of manufacturing a connector |
JPS5342007A (en) * | 1976-09-28 | 1978-04-17 | Hitachi Maxell | Magnetic recording media |
JPS62290821A (en) * | 1986-06-10 | 1987-12-17 | Kawasaki Steel Corp | Skid button for low skid mark walking beam furnace |
JPS6350415A (en) * | 1986-08-18 | 1988-03-03 | Kawasaki Steel Corp | Skid beam for walking beam type heating furnace |
JPH01255643A (en) * | 1988-04-01 | 1989-10-12 | Nippon Steel Corp | Composite material for supporting member for material to be heated in heating furnace |
JPH01263240A (en) * | 1988-04-15 | 1989-10-19 | Kobe Steel Ltd | Super heat resistant powder sintered alloy for skid button |
JPH0297614A (en) * | 1988-09-30 | 1990-04-10 | Kubota Ltd | Steel material transferring member in heating furnace |
-
1990
- 1990-07-19 JP JP7732890U patent/JPH0437251U/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5248090A (en) * | 1975-10-14 | 1977-04-16 | Furukawa Electric Co Ltd:The | Method of manufacturing a connector |
JPS5342007A (en) * | 1976-09-28 | 1978-04-17 | Hitachi Maxell | Magnetic recording media |
JPS62290821A (en) * | 1986-06-10 | 1987-12-17 | Kawasaki Steel Corp | Skid button for low skid mark walking beam furnace |
JPS6350415A (en) * | 1986-08-18 | 1988-03-03 | Kawasaki Steel Corp | Skid beam for walking beam type heating furnace |
JPH01255643A (en) * | 1988-04-01 | 1989-10-12 | Nippon Steel Corp | Composite material for supporting member for material to be heated in heating furnace |
JPH01263240A (en) * | 1988-04-15 | 1989-10-19 | Kobe Steel Ltd | Super heat resistant powder sintered alloy for skid button |
JPH0297614A (en) * | 1988-09-30 | 1990-04-10 | Kubota Ltd | Steel material transferring member in heating furnace |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57123948A (en) | Austenite alloy with stress corrosion cracking resistance | |
NO995498L (en) | Tough-coated hard powders and sintered articles thereof | |
EP1093879A3 (en) | Tip cap hole brazimg and oxidation resistant alloy therefor | |
JPS5566819A (en) | Oxide cathode for electron tube | |
JPS5739159A (en) | Austenite type heat resistant and oxidation resistant cast alloy forming a 2 o3film on surface thereof | |
KR910009945A (en) | Heat resistant material | |
JPH0437251U (en) | ||
JPH09195007A (en) | Chromium-manganese-nitrogen base austenitic stainless steel excellent in corrosion resistance | |
JPH0374649U (en) | ||
US4368038A (en) | Refractory pads for walking beam furnaces | |
JPS62134193A (en) | Composite powder welding material for building up by welding | |
JPH0437249U (en) | ||
JPH0374647U (en) | ||
JPS57207154A (en) | Low thermal expansion invar type fe-ni alloy with superior weld crack resistance at high temperature | |
JPS57114644A (en) | High manganese nonmagnetic steel with superior strength at high temperature | |
JPH0437248U (en) | ||
JPS58147542A (en) | Wear resistant alloy cast iron | |
JPH0514148U (en) | Skid button for heating furnace | |
JPS6436747A (en) | Cast iron with high coefficient of thermal expansion | |
JPH0374650U (en) | ||
JPH0514150U (en) | Skid button for heating furnace | |
JPH0437250U (en) | ||
JPH0262116B2 (en) | ||
JPH0514151U (en) | Skid button for heating furnace | |
JPH0374648U (en) |