ClassID:

37699

B21B2001/028 - CPC Classification

Classification description:

Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section ; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs billets, in which the cross-sectional form is unimportant Slabs

Recent Application in this class:
#1
20250376747
2025-12-11

EXTREMELY THICK STEEL MATERIAL FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD FOR SAME

#2
20250178054
2025-06-05

EXTRA-THICK Q500QE BRIDGE STEEL PLATE AND PRODUCTION METHOD THEREFOR

#3
20250129444
2025-04-24

System and method for producing flat rolled products

#4
20240058727
2024-02-22

HOT ROLLING MILL WITH SEPARATOR FOR MILL SCALE FROM WASTEWATER

#5
20220170139
2022-06-02

CALCIUM-BEARING MAGNESIUM AND RARE EARTH ELEMENT ALLOY AND METHOD FOR MANUFACTURING THE SAME

#6
20220010396
2022-01-13

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#7
20210365008
2021-11-25

Hot rolling line control system and hot rolling line control method

#8
20210362204
2021-11-25

Slab manufacturing method and control device

#9
20210138535
2021-05-13

Continuous casting method of steel

#10
20200406321
2020-12-31

MANUFACTURING METHOD FOR SLAB AND CONTINUOUS CASTING EQUIPMENT

#11
20200017939
2020-01-16

Calcium-bearing magnesium and rare earth element alloy and method for manufacturing the same

#12
20200017936
2020-01-16

Delaying Recovery in Al-Fe-Si-Mn-Mg Impact Extrusion Alloys Using Zirconium

#13
20190366471
2019-12-05

Method for producing a continuous strip-shaped composite material

#14
20190338389
2019-11-07

Steel sheet and plated steel sheet

#15
20190329307
2019-10-31

Method and device for producing a continuous strip-shaped composite material

#16
20190270160
2019-09-05

Method and device for producing a continuous strip-shaped composite material

#17
20190024204
2019-01-24

Dual hardness steel article

#18
20180318916
2018-11-08

Method for continuous-casting slab

#19
20180318915
2018-11-08

Method for continuous-casting slab

#20
20180318914
2018-11-08

Method for continuous-casting slab

#21
20180229155
2018-08-16

Method for separating mill scale from wastewater

#22
20180185954
2018-07-05

METHOD FOR PRODUCING A MATERIAL COMPOSITE IN A ROLLING SYSTEM AND USE OF THE ROLLING SYSTEM

#23
20180161837
2018-06-14

CONTINUOUS CASTING AND ROLLING METHOD AND CONTINUOUS CASTING AND ROLLING APPARATUS

#24
20180147614
2018-05-31

PRESS HARDENED STEEL WITH INCREASED TOUGHNESS AND METHOD FOR PRODUCTION

#25
20180135155
2018-05-17

Steel sheet for heat treatment

#26
20180105893
2018-04-19

High strength electric resistance welded steel pipe and method for producing high strength electric resistance welded steel pipe

#27
20180073094
2018-03-15

X80 pipeline steel with good strain-aging performance, pipeline tube and method for producing same

#28
20180071801
2018-03-15

Method for producing H-shaped steel and H-shaped steel product

#29
20180044754
2018-02-15

STEEL SHEET FOR HOT STAMPING AND METHOD FOR PRODUCING STEEL SHEET FOR HOT STAMPING, AND HOT STAMP FORMED BODY

#30
20180009015
2018-01-11

Continuous-cast slab, method and apparatus of manufacturing the same, and method and apparatus of manufacturing thick steel plate

#31
20170326606
2017-11-16

System for overturning plate-shaped bodies

#32
20170314095
2017-11-02

Steel sheet for cans and method for manufacturing steel sheet for cans

#33
20170304891
2017-10-26

Titanium cast product for hot rolling unlikely to exhibit surface defects and method of manufacturing the same

#34
20170282231
2017-10-05

Titanium casting product for hot rolling and method for producing the same

#35
20170050239
2017-02-23

Method for continuous-casting slab

#36
20140261917
2014-09-18

METHOD FOR MANUFACTURING AUSTENITIC STAINLESS STEEL

#37
20140000331
2014-01-02

Method and rolling train for rolling a rolled stock produced in an ingot casting process, open- and/or closed-loop control device for a rolling train, machine-readable program code for an open- and/or closed-loop control device, and storage medium

#38
20120297849
2012-11-29

METHOD FOR HOT-ROLLING A SLAB AND HOT-ROLLING MILL

#39
20120174760
2012-07-12

Dual hardness steel article

#40
20110088445
2011-04-21

ALIGNING DEVICE FOR HIGH ASPECT RATIO SLABS OR PLATES

#41
20080209970
2008-09-04

Rolling mill for rolling metallic material

#42
20050183796
2005-08-25

Stainless steel product containing B and method for production thereof

#43
20050044916
2005-03-03

Apparatus for manufacturing band plate