Steelmaking Operations
(As of July,2023)
Works | North Nippon Works | East Nippon Works | |||
---|---|---|---|---|---|
Muroran area | Kamaishi area | Kashima area | Kimitsu area | Naoetsu area | |
Founding | 1909 | 1886 | 1968 | 1965 | 1934 |
General Superintendent | M.Kishimoto | Y.Nomiyama | |||
Site (1,000㎡)*1 | 7,846 | 3,331 | 9,486 |
12,113 | 303 |
Crude steel production (1,000 tons)*2 | 1,196 | ― | 6,644 | 6,389 | ― |
Major production equipment | |||||
Blast furnaces (Inner volume, m3) <Relining operation> |
No.2 BF (3,014m3) <Nov. 2020> |
― |
No.1 BF (5,370m3) <Sep. 2004> No.3 BF (5,370m3) <May 2007> |
No.2 BF (4,500m3) <May 2012> No.4 BF (5,555m3) <May 2003> |
― |
Basic-oxygen furnaces | No.1 steelmaking plant: 270 t/ch × 2 |
― | No.1 steelmaking plant: 250 t/ch × 3 No.2 steelmaking plant: 345 t/ch × 2 |
No.1 steelmaking plant: 220 t/ch × 2 No.2 steelmaking plant: 300 t/ch × 3 |
― |
Electric furnaces | 100 t/ch × 1 | ― | ― | ― | ― |
Continuous casters | 1 caster | ― | No.1 steelmaking plant: 2 casters No.2 Steelmaking plant: 2 casters |
No.1 steelmaking plant: 1 casters No.2 steelmaking plant: 3 casters |
― |
Slabbing mills | Blooming mill × 1 | ― | Slabbing mill × 1 | Blooming mill × 1 | ― |
Section mills | ― | ― | Shape mill × 1 | ― | Shape mill × 1 |
Bar and wire rod mills | Wire rod mill × 1 Barmill × 1 |
Wire rod mill × 1 | ― | Wire rod mill × 1 | ― |
Pipe and tube mills | ― | ― | Hot-finish ERW mill × 1 |
Spiral mill × 2 ERW mill × 1 |
― |
Plate and sheet mills | ― | ― | Plate mill × 1 Hot-rolling mill × 1 Cold-rolling mill × 1 |
Plate mill × 1 Hot-rolling mill × 1 Cold-rolling mill × 2 |
Cold-rolling mill × 2 |
Coating lines | ― | ― | Hot-dip galvanizing line × 2 |
Hot-dip galvanizing line × 4 Electrogalvanizing line × 1 Coil-coating line × 1 |
― |
Wheel/Outer wheel mills | ― | ― | ― | ― | ― |
Forging mills | ― | ― | ― | ― | ― |
Welded H-shape mills | ― | ― | Thermatool welded H-shape mill × 1 | ― | ― |
*1:
*2:
(As of July,2023)
Works | Nagoya Works | Kansai Works | |||
---|---|---|---|---|---|
Wakayama area | Osaka area | Amagasaki area | |||
Wakayama・ Kainan |
Sakai | ||||
Founding | 1958 | 1942 | 1961 | 1901 | 1919 |
General Superintendent | N.Hiramitsu | H.Kinugasa | |||
Site (1,000m2)*1 | 6,489 | 5,508 | 1,201 | 527 | 519 |
Crude steel production (1,000 tons)*2 | 4,647 | 2,647 | ― | 45 | ― |
Major production equipment | |||||
Blast furnaces (Inner volume, m3) <Relining operation> |
No.1 BF (5,443m3) <Apr. 2007> No.3 BF (4,425m3) <Aug. 2022> |
No.2 BF (3,700m3) <Feb. 2019> |
― | ― | ― |
Basic-oxygen furnaces | No.1 steelmaking plant: 160 t/ch × 3 No.2 steelmaking plant: 270 t/ch × 3 |
Steelmaking plant: 260 t/ch × 3 | ― | ― | ― |
Electric furnaces | ― | 80 t/ch × 1(stainless) | ― | 40 t/ch × 1 | ― |
Continuous casters | 3 casters | Steelmaking plant: 4 casters Stainless plant: 1 caster |
― | ― | ― |
Slabbing mills | Slabbing mill × 1 | Blooming mill × 1 | ― | ― | ― |
Section mills | ― | ― | Shape mill × 1 | ― | ― |
Bar and wire rod mills | ― | ― | ― | ― | ― |
Pipe and tube mills | Medium-diameter ERW mill × 1 |
Medium-diameter seamless mill × 1 Small-diameter seamless mill × 2 |
― | ― | Seamless mill × 2 |
Plate and sheet mills | Hot-rolling mill × 1 Cold-rolling mill × 2 |
Cold-rolling mill × 1 | ― | ― | ― |
Coating lines | Tinning line × 1 Tin-free steel line × 1 Hot-dip galvanizing line × 3 Film-laminating line × 2 |
― | ― | ― | ― |
Wheel/Outer wheel mills | ― | ― | ― | Wheel mill × 1 Outer wheel mill × 1 |
― |
Forging mills | ― | ― | ― | Die forging press × 4 Axle forging machine × 1 Free forging press × 2 |
Super forging press × 1 |
Welded H-shape mills | ― | ― | ― | ― | ― |
*1:
*2:
(As of July,2023)
Works | Setouchi Works | |||||
---|---|---|---|---|---|---|
Hirohata area | Kure area | Hanshin area | ||||
Sakai | Toyo | Osaka | Kanzaki | |||
Founding | 1939 | 1951 | 1966 | 1999 | 1953 | 1950 |
General Superintendent | T.Imai | |||||
Site (1,000m2)*1 | 6,172 | 1,715 | 507 | 758 | 55 | 45 |
Crude steel production (1,000 tons)*2 | 464 | ― | ― | ― | ― | ― |
Major production equipment | ||||||
Blast furnaces (Inner volume, m3) <Relining operation> |
(Cold ferrous materials melting furnace) |
― | ― | ― | ― | ― |
Basic-oxygen furnaces | Melting furnace: 200 t/ch × 1 Decarburization furnace:100 t/ch × 1 Melting/decarburization furnace: 120 t/ch × 1 |
― | ― | ― | ― | ― |
Electric furnaces | EAF 110t/ch×1 |
― | ― | ― | ― | ― |
Continuous casters | 2 casters | ― | ― | ― | ― | ― |
Slabbing mills | ― | ― | ― | ― | ― | ― |
Section mills | ― | ― | ― | ― | ― | ― |
Bar and wire rod mills | ― | ― | ― | ― | ― | ― |
Pipe and tube mills | ― | ― | ― | ― | ― | ― |
Plate and sheet mills | Hot-rolling mill × 1 Cold-rolling mill × 2 Electrical sheet mill × 2 |
Hot-rolling mill × 1 | Cold-rolling mill × 2 | Cold-rolling mill × 1 | Cold-rolling mill × 1 | Cold-rolling mill × 2 |
Coating lines | Tinning line × 1 Hot-dip galvanizing line × 2 Electrogalvanizing line × 1 |
― |
Hot-dip galvanizing line×2 Electrolytic copper plating line×1 Coil-coating line×1 |
Hot-dip galvanizing line×1 |
― | ― |
Wheel/Outer wheel mills | ― | ― | ― | ― | ― | ― |
Forging mills | ― | ― | ― | ― | ― | ― |
Welded H-shape mills | ― | ― | ― | ― | ― | ― |
*1:
*2:
(As of July,2023)
Works | Kyushu Works | ||||
---|---|---|---|---|---|
Yawata area | Oita area | ||||
Tobata・Yawata | Kokura | Hikari Titanium Production |
Oita | Hikari Pipe & Tube Div. | |
Founding | 1901 | 1918 | 1984 | 1971 | 1955 |
General Superintendent | M.Nakata | ||||
Site (1,000m2)*1 | 14,438 | 1,269 | ―*3 | 7,096 | 784*3 |
Crude steel production (1,000 tons)*2 | 3,611 | ― | ― | 8,607 | ― |
Major production equipment | |||||
Blast furnaces (Inner volume, m3) <Relining operation> |
Tobata No.4 BF (5,000m3) <Apr. 2014> |
― | ― |
No.1 BF (5,775m3) <Aug. 2009> No.2 BF (5,775m3) <May 2004> |
― |
Basic-oxygen furnaces | No.1 steelmaking plant: 170 t/ch × 2 No.3 steelmaking plant: 350 t/ch × 2 |
― | ― | Steelmaking plant: 410 t/ch × 3 |
― |
Electric furnaces | ― | ― | ― | ― | ― |
Continuous casters | No.3 steelmaking plant: 5 casters |
― | ― | 3 casters | ― |
Slabbing mills | ― | Blooming mill × 1 | ― | Slabbing mill × 1 | ― |
Section mills | Shape mill × 1 | ― | ― | ― | Hot extrusion mill × 1 (shapes and pipes/tubes) |
Bar and wire rod mills | ― | Wire rod mill × 1 Barmill × 1 |
― | ― | ― |
Pipe and tube mills | Spiral mill × 1 | ― | ― | ― | Medium-diameter ERW mill × 1 Small-diameter ERW mill × 1 |
Plate and sheet mills | Hot-rolling mill × 1 Cold-rolling mill × 3 Electrical sheet mill × 2 |
― | Cold-rolling mill × 1 | Plate mill × 1 Hot-rolling mill × 1 |
― |
Coating lines | Tinning line × 2 Tin-free steel line × 1 Hot-dip galvanizing line × 1 Hot-dip aluminizing line × 1 Terne-coating line× 1 |
― | ― | ― | ― |
Wheel/Outer wheel mills | ― | ― | ― | ― | ― |
Forging mills | ― | ― | ― | ― | ― |
Welded H-shape mills | ― | ― | ― | ― | ― |
*1:
*2:
*3: