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JP4123582B2 |
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JP4123556B2 |
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JP4123557B2 |
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JP4121046B2 |
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JP4105550B2 |
The aim of the invention is to develop a hot rolling unit, comprising at least one continuous casting unit (1) with a post-arranged furnace (4), followed by a roughing stand (5) and, over a strip edge guide, a soaking furnace (15) and fi...
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JP4106717B2 |
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JP2008137025A |
To provide a method for width pressing stainless steel in hot rolling and a method for manufacturing hot-rolled stainless steel sheet using the same, capable of preventing edge seams from creeping onto the surface of a sheet 8 to be roll...
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JP4096840B2 |
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JP4092286B2 |
A method and system are disclosed for receiving a hot rolled bar product from a rolling mill, and for delivering the bar product to a cooling bed. A shear subdivides the bar product into bar segments and alternately directs the bar segme...
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JP4091724B2 |
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JP4091910B2 |
The present invention provides a method and equipment for producing a rail, the method and equipment being capable of lowering a bend at an end of a rail effectively and the truncation amount thereof. The present invention is a method fo...
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JP2008105071A |
To provide a method and a device for cutting a thick steel plate for performing the cutting work on a conveying line for connecting a rolling line to a shearing line or on a separate line.In a thick steel plate manufacturing line having ...
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JP4082115B2 |
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JP4081910B2 |
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JP4074973B2 |
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JP4074866B2 |
A method and apparatus is provided for temporarily interrupting the passage of long products between upstream and downstream paths in a rolling mill (14). The products are delivered from the upstream path to a coil box (28) having a cyli...
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JP4072661B2 |
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JP4072653B2 |
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JP2008068297A |
To provide a method of manufacturing a large diameter wire rod which is high in the yield and excellent in cold forging property by effectively suppressing occurrence of scabs on the large diameter wire rod when manufacturing the large d...
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JP4062107B2 |
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JP4062178B2 |
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JP4060937B2 |
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JP4055218B2 |
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JP4050897B2 |
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JP4022795B2 |
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JP4019772B2 |
A method for manufacturing a seamless steel tube, wherein a tubing material for the seamless steel tube is produced by a hot working process from a material having less workability, such as a high Cr - high Ni - high C alloy steel includ...
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JP4016233B2 |
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JP2007301571A |
To provide a method for bloom-rolling a steel ingot, which method can stably shorten the longitudinal length of a crop to be produced at the longitudinal end portion of a produced steel billet, and can easily carry out the shearing and r...
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JP2007291470A |
To provide a method for quickly and simply joining the tail end of a preceding material with the top of a following material even when they are thin, in a recovery operation for a fractured sheet, in a continuous treatment line of a meta...
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JP4000705B2 |
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JP3995295B2 |
The reel unit has an alternative drive for one of several reels for a continuous strip which can be cut into lengths by flying shears. There is at least one driver (5,13) after the shears, with rollers which can be adjusted so that the p...
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JP3991144B2 |
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JP3991137B2 |
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JP3991128B2 |
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JP3991139B2 |
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JP3991138B2 |
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JP3991130B2 |
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JP3991140B2 |
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JP3991141B2 |
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JP3991127B2 |
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JP3993915B2 |
Operating a rolling plant incorporates one or more preliminary upsetting stands followed by a compact rolling group which is laterally offset and consists of two universal or duo stands (UG1, UG2) and an interposed upsetting stand (ZG). ...
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JP3991129B2 |
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JP3987861B2 |
In a system (10) for subdividing hot rolled product lengths being delivered from a rolling mill along a first path (X), a first switch (SW1) acts in concert with a first shear (SH1) to subdivide each product length traveling along the fi...
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JP2007245261A |
To provide a cutting method of a non-heating system suitable for preventing generation of a cross sectional crack caused by residual hydrogen in steel generated at the time of an on-line cutting of a thick steel plate for a high strength...
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JP3980739B2 |
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JP3980730B2 |
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JP2007237229A |
To provide an edging press method for a slab by which the edging press of the slab can be properly performed by securely preventing the slip of the slab when applying the edging press to the slab in a hot-rolling line. The edging press i...
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JP2007229727A |
To provide a die for edging presses with which the generation of edge flaws is prevented while preventing the slip of a slab as the die for edging presses which is used when performing the edging press of the slab on a hot rolling line. ...
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JP3975617B2 |
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JP2007222875A |
To provide a method of preventing shear crack and a shearing apparatus with which the shear crack is prevented which are suitable to a steel plate of ≥4 to <40 mm in thickness and ≥TS490 MPa. In this method, after shearing as soon as...
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