Steel Mill Supply
Rolls, Refractories and Consumables for Steel Plants
Alongside our manufacturing business, SORA supplies rolling-mill rolls, steelmaking refractories and mill consumables — with specifications, quotations, inspection documents and delivery coordinated in Japanese.
Authorised agent
SORA is the authorised agent of Yixing Yongchang Roll Co., Ltd. (rolling-mill rolls) and Jiangsu Chianaref Refractories Co., Ltd. (steelmaking refractories).
Rolling mill rolls
Yongchang Roll — forged steel roll specialist
Maker profile
Specialist in the design, manufacture and after-sales service of forged steel rolls (Jiangsu, China) and a Jiangsu provincial engineering research centre for forged cold-mill rolls. Rolls are supplied to major Chinese mills including Baowu, Shougang and Ma Steel, and exported to POSCO (Korea), France, Germany, India, Thailand and Turkey.
- Heat treatment Dual-frequency induction hardening, cryogenic and differential treatment
- Machining 28 lathes, 23 CNC lathes, 7 CNC roll grinders — over 40,000 t per year
- Laboratory CNAS-accredited — spectrometry, ultrasonic and eddy-current testing, metallography
| Product | Material & range | |
|---|---|---|
 | Cold-mill work & intermediate rolls | Forged 2–8%Cr, semi-HSS · barrel Ø up to 1,000 mm, length up to 6,000 mm |
 | Back-up rolls | Forged 9Cr2Mo, 86CrMoV7, 70Cr3Mo, 5CrMnMoV · barrel Ø up to 1,800 mm, length up to 7,000 mm, up to 125 t |
 | Hot-mill work rolls | Centrifugal-cast high-chrome steel / iron, ICDP, HSS · barrel Ø 500–1,300 mm |
 | Special-purpose rolls | Anti-accident, anti-mark, high-homogeneity and high-reliability rolls |
 | Roll repair & service | Laser quenching, laser cladding, submerged-arc build-up, regrinding |
Steelmaking refractories
Chianaref — refractories for the whole steelmaking route
Maker profile
Refractory manufacturer (Yixing, Jiangsu, China) supplying the JN series of shaped and monolithic refractories and metallurgical auxiliary materials across the whole iron and steelmaking route — blast-furnace casthouse, hot-metal transport, converter, EAF, ladle, tundish and continuous casting. Production runs on automated pressing lines, and grades and lining designs are customised to each plant’s operating conditions.
| Area | Main products | |
|---|---|---|
 | Ironmaking | Blast-furnace runner castables and ramming mixes; torpedo car / hot-metal ladle bricks and castables; pellet plant refractories |
 | BOF / EAF | MgO-C and magnesia bricks, taphole bricks, slag darts and balls, bottom purging units, gunning and hot-repair mixes, EBT filler |
 | Steel ladle | Slide-gate plates, purging plugs and well blocks, chromite filler sand, MgO-C / spinel bricks, alumina castables, LF/VD covers |
 | Tundish & casting | Ladle shrouds, stopper rods, SEN and quick-change nozzles, tundish dry-vibration, coating and gunning mixes |
 | Metallurgical auxiliaries | Mould flux, tundish covering flux, refining slag, deoxidisers, recarburisers, silicon carbide, calcium wire, desulphuriser / dephosphoriser |
Other consumables
Other Steel Mill Consumables
More on request
Other mill consumables and spare parts can be sourced to your specification.
Photos: graphite electrodes (EAF roof) — Eugen Nosko / Deutsche Fotothek, CC BY-SA 3.0 DE; grinding wheel — Johan, CC BY-SA 3.0 (label removed); knives & saws — Ditri Charron, CC BY 4.0; all via Wikimedia Commons. Roll ring and lubricant images are illustrations. Other photos: maker catalogues.
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