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Tundish

The tundish is a refractory-lined intermediary vessel located between the ladle and the caster. It is an integral part of the continuous casting process that directs and controls the flow of steel to the caster mold. The tundish is designed to provide a constant depth of metal, which allows for a constant cast rate. Common tundish designs rely on a disposable magnesite-based monolithic working lining; in conjunction with flow-modifying tundish furniture, this lining has enabled significant improvements in steel quality.

HarbsionWalker International provides innovative, industry-proven products to our customers.

  • Disposable Working Linings: HWI offers a wide variety of magnesia-based disposable tundish working lining materials. Our traditional families of materials include DOSSOLITE and NARSPRAY® mixes for spray linings, the NARCOTUN® product line for dry vibe, and CLEANCOAT products for trowelable linings. All of these products provide a lightweight, joint-free, corrosion-resistant, disposable working lining that has been engineered for easy deskulling.
  • Cast Lining: From brick to low-cement alumina-silica and ultra-high purity castables, HWI offers a full range of backup lining materials. This includes our NARCON® 70 CASTABLE product, which offers very high hot strengths and volume stability.
  • Tundish Furniture/Precast: HWI offers custom-made tundish flow modifiers, patented impact and turbulence control pads, and specifically designed dams, baffles, and weirs.
  • Robotic Spray Systems: HWI offers fully automated tundish spray installation systems. These include many different robotic systems and designs that are built to suit our partners’ needs and designed with efficiency, reliability, and safety in mind.

Download: Tundish Refractory Solutions Brochure

Products
Tundish

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‘SAIRSET A wet, air-setting, fireclay mortar
60DB® A direct-bonded 60% magnesia, burned brick English
ALADIN® 80 An 80% alumina brick
AMERICLASE 90 SG A basic gunning mix with enhanced silicate bond for low rebound and easy build-up
AMERICLASE 94 A 65% magnesia gunning mix
AMERICLASE 98 S A 97% magnesia, chemically bonded gunning mix
AMERICLASE H A 74% magnesia, dry ramming mix
AMERICLASE HC
AMERICLASE HC A 65% magnesia hearth mix designed for stacking at steep angles of repose for use where material is applied by a spreader. English
AMERICLASE HD A 65% magnesia hearth mix designed for stacking at steep angles of repose for use where material is applied and compacted by hand. English
AMERICLASE HP A 78% magnesia, dry ramming mix
ANKORBOND C® A wet, resin bonded, heat setting high alumina mortar
BASIC 187 DV-88 A 90% magnesia, dry, heat setting vibratable. English
BASIC 187 DV-88D A 90% magnesia, dry, heat setting vibratable English
BASIC 187 GM-55 A 55% magnesia, silicate bonded gunning mix English
BASIC 187 GM-60 A 60% magnesia, silicate bonded gunning mix English
BASIC 187 GM-75 A 75% magnesia, silicate bonded gunning mix English
BASIC 187 GM-88 An 88% magnesia, silicate bonded gunning mix English
BASIC 187 GM-88 RH An 88% magnesia gunning mix with a dual binder system English
BASIC 187 GM-90 A 90% magnesia, chemically bonded gunning mix English
BASIC 187 GM-92 A 92% magnesia, chemically bonded gunning mix English
BASIC 187 GM-93 A 93% magnesia, chemically bonded gunning mix English
BAYONET MORTAR A high alumina, carbon containing, heat setting mortar English
BOF 2812 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 411 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 412 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 711 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 712 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 713 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 722 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 732 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 811 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 812 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 821 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 822 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 831 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 832 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 911 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 921 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF 932 A magnesia carbon brick for Basic Oxygen Furnace Linings English
BOF TANK A magnesia carbon brick for Basic Oxygen Furnace Linings English
CLEANCOAT 6M A magnesia troweling mix English
CLIPPER® DP A super duty fireclay brick
COMANCHE® A carbon bonded, alumina magnesia brick
COMANCHE® FA A carbon bonded, alumina magnesia brick
COMANCHE® GOLD A carbon bonded, alumina magnesia brick English
COMANCHE® PLATINUM A carbon bonded, alumina magnesia brick for enhanced impact resistance in ladle bottoms.
COMANCHE® SL A carbon bonded, alumina magnesia brick English
CORAL® BP A burned, phosphate bonded 80% alumina brick
D-CAST TRC-OR PLUS An ultra-low cement, high Alumina castable with a silicon carbide plus carbon addition English
D-CAST® 85 GOLD CASTABLE An 85% alumina, low moisture castable
D-CAST® 85TMCC CASTABLE An ultra-low cement, high alumina castable English
D-CAST® XZR-OR An ultra-low cement, high alumina castable with 26% silicon carbide
DAUBPAX An 86% silica, plastic refractory English
DESCON® S97 ADTECH A vitreous silica-based castable
DOSSOLITE 1400-72 A 77% magnesia, fine grained mix designed for spraying English
DV-38® An 80% alumina, burned, phosphate bonded brick
EAF 211 AS A magnesia-carbon brick for EAF service English
EAF 212 AS A magnesia-carbon brick for EAF service English
EAF 213 A magnesia-carbon brick for EAF service English
EAF 221 A magnesia-carbon brick for EAF service English
EAF 222 AS A magnesia-carbon brick for EAF service English
EAF 223 AS A magnesia-carbon brick for EAF service English
EAF 231 A magnesia-carbon brick for EAF service English
EAF 231 AS A magnesia-carbon brick for EAF service English
EAF 232 A magnesia-carbon brick for EAF service English
EAF 232 AS A magnesia-carbon brick for EAF service English
EAF 233 AS A magnesia-carbon brick for EAF service English
EAF 521 AS A Mag-Carbon brick for general use in EAF's with high FeO slags and high O2 ppm steels. English
EAF 621 AS A magnesia-carbon brick for EAF service English
EAF 622 AS A magnesia-carbon brick for EAF service English
EAF 623 AS A magnesia-carbon brick for EAF service English
EAF 631 AS A magnesia-carbon brick for EAF service English
EAF 632 AS A magnesia-carbon brick for EAF service English
EAF 822 AMS A magnesia-carbon brick for EAF service English
EAF 832 AMS A magnesia-carbon brick for EAF service English
EAF 833 AMS A magnesia-carbon brick for EAF service English
EAF 8632 AS A magnesia-carbon brick for EAF service English
EAF 8831 AS A magnesia-carbon brick for EAF service English
EAF 8832 AMS A magnesia-carbon brick for EAF service English
EAF 8832 AS A magnesia-carbon brick for EAF service English
EAF 8833 AS A magnesia-carbon brick for EAF service English
EAF BB1 A magnesia-carbon brick for EAF service English
EMPIRE® C A high duty firebrick
EXPRESS®-27 PLUS A 50% alumina, cement bonded, self flowing castable
FASKAST® 75 PLUS An ultra-low cement, high alumina castable
FASKAST® 80 An ultra-low cement, high alumina castable
FUSECRETE® C An high alumina course aggregate castable English
FUSIL® CASTABLE 820 I A fused, silica-based castable
GR-FG CASTABLE A chemically bonded magnesia castable English
GR-FG RAMMING MIX A magnesia ramming mix English
GREENAL®-80 An 80% alumina, dry pressed brick
GREENAL®-85 HP 85% Alumina, Dry Press Brick designed for superior steel ladle performance versus standard 80% alumina brick.
GREENGUN®-70 P PLUS A 70% alumina, phosphate bonded gunning plastic
GREENGUN®-85 P PLUS An 85% alumina, phosphate bonded gunning plastic
GREENLITE®-45-L GR ON-LINE® A 2500°F rated lightweight gunning mix
GREENSET®-80 BH An 80% alumina, air setting mortar English
GREENSET®-85 P An 80% alumina, phosphate bonded mortar
GREENTHERM 23 LI A 2300°F rated insulating firebrick
GREENTHERM 26 LI A 2600°F rated insulating firebrick
GREENTHERM 28 LI A 2800°F rated insulating firebrick
GREENTHERM 30 LI A 3000°F rated insulating firebrick
GREFCON® 98 SP A 3300°F, spinel-containing castable
GREFCON® 98 SPL A 3300°F, spinel-containing castable English
H-W 3-75 A high alumina, burned, phosphate bonded brick English
HARWACO BOND (DRY) A 50% alumina, air setting, dry mortar
HARWACO BOND (WET) A 50% alumina, air setting, wet mortar
HEARTH-70® A dry, low iro, magnesia based ramming mix English
HOT BANK 19 A dolomite based dry ramming mix English
HOT BANK 53 A dry ramming mix composed of sintered dolomite and magnesia
HP-CAST ® 94MA-C A high-purity alumina, spinel-containing, ultra-low cement, coarse castable
HP-CAST ® ULTRA A high purity alumina, spinel forming, ultra-low cement castable
HP-CAST ® ULTRA VC A high-purity alumina, spinel-forming, ultra-low cement castable English
HP-CAST 93S High-Purity Alumina, Spinel-Containing, Ultra-Low Cement Castable
HPV®-ESX CASTABLE A fused silica castable designed for thermal shock resistance
HW-BF 42 English
HW-BF 50 English
HW-BF 55 English
HW-BF 60 English
HW-BF 62 English
HW-CO SHD English
HW-CO SRD English
HW-CO SRDAH English
INSBLOK®-19 A 1900 F rated mineral wool block
INSBOARD 2300 LD A 2300°F Low Density Vacuum-Formed Ceramic Fiber Board
INSWOOL® PUMPABLE 2300°F Ceramic Fiber Pumpable Material - formulated for pumping with special equipment.
INSWOOL®-HP BLANKET A 2300°F rated, alumina silica ceramic fiber blanket
INSWOOL®-HTZ BLANKET A 2600°F rated, alumina silica zirconia ceramic fiber blanket
IRONMASTER® An 81% alumina brick with a silicon carbide and carbon addition
ISO-STAR MX2 An AMC material that may be Iso-Pressed for use as ladle well blocks and pocket blocks English
ISO-STAR MX2 An AMC material that may be Iso-Pressed for use as ladle well blocks and pocket blocks English
ISO-STAR® MC An Iso-Pressed magnesia and graphite ladle weel block and pocket block English
ISO-STAR® MX An Iso-Pressed magnesia and graphite ladle weel block and pocket block English
ISOTAP F An Iso-Pressed magneisa and graphite taphole English
ISOTAP LC An Iso-Pressed magneisa and graphite taphole English
ISOTAP MC1 An ISOPRESS mix for tapholes English
ISOTAP® An Iso-Pressed magneisa and graphite taphole
KALA® A 50% alumina brick
KALA® HPC CHECKERS
KALA® HPC CHECKERS A 50% alumina brick
KALA® SR A 50% alumina brick designed for thermal shock resistance
KAST-O-LITE 23 LI PLUS A 2300°F rated lightweight gunning mix
KAST-O-LITE® 19 L PLUS A 1900°F rated lightweight castable
KAST-O-LITE® 23 LI PLUS A 2300°F rated lightweight gunning mix
KAST-O-LITE® 50-25 PLUS A 2500°F low-density insulating castable
KORUNDAL XD
KORUNDAL XD.pdf
KORUNDAL XD® A 90% alumina, mullite bonded brick with low porosity
KORUNDAL® MORTAR A 90% alumina, heat-setting mortar
KRUZITE®-70 A 70% alumina brick
KS-4V GR PLUS A fireclay based, conventional cement gunning mix
KS-4V PLUS A fireclay based, conventional cement castable
KX-99® A high fired, super duty fireclay brick
KX-99®-BF A high fired, super duty fireclay brick
LADLE SL TANK A magnesia carbon brick English
LO-ABRADE® GR PLUS A 2600°F dense, abrasion-resistant, gunning castable
LOTHERM® RK High Strength Insulating Brick - 101 pcf English
MAGNUM XL10F Magnesia-Carbon brick for Steel Ladle service
MEXI-KOMO® A dry, heat-setting, super duty mortar
MIZZOU® CASTABLE PLUS A 3000°F rated high alumina castable
NARCARB® BSC A carbon bonded, alumina-silicon carbide brick
NARCARB® ZP PLASTIC A 65% alumina, slag resistant refractory plastic English
NARCOGUN® 50 BG A 50% alumina gunning mix English
NARCOGUN® 70 BG A 70% alumina gunning mix
NARCOGUN® BSC-DS A trough gunning mix
NARCON® 65 CASTABLE A 65% alumina, low-cement castable
NARCON® 70 CASTABLE A 70% alumina, low moisture castable
NARCOTUN® 72 A 72% magnesia, dry, heat setting vibratable English
NARCOTUN® 72XH A 72% magnesia, dry, heat setting vibratable with an extra hard bond English
NARCOTUN® 83 A 86% magnesia, dry, heat setting vibratable English
NARCOTUN® 83XH A 87% magnesia, dry, heat setting vibratable with an extra hard bond English
NARCOTUN® 87 A 87% magnesia, dry, heat setting vibratable English
NARCOTUN® M-97 A 96% magnesia, dry, heat setting vibratable English
NAREZ AM5 A magnesia carbon brick for Basic Oxygen Furnace Linings English
NARMAG EAF RAM Magnesia-Chrome-Alumina based, Heat-Setting, Ramming Mix English
NARMAG® 60 DB A direct-bonded, 65% magnesia, 18% chromia burned brick English
NARMAG® 95 CASTABLE A 95% magnesia castable English
NARMAG® FG A 19% chromia, rebonded fused-grain magnesia-chrome burned brick English
NARMAG® HRB A 97% magnesia, burned brick English
NARMAG® L MORTAR A magnesia dipping mortar English
NARMAG® MORTAR HEAT SET A basic mortar English
NARPHOS® 90R RAM MIX A high-alumina ramming mix English
NARSPRAY® M-77 A 77% magnesia, ultra-lightweight spray mix English
NARTAR® 7 A magnesia, pitch impregnated burned brick English
NARTAR® TS A magnesia, pitch impregnated burned brick English
NARTAR® XR A magnesia, pitch-impregnated burned brick English
NISIC 20 A nitride bonded, silicon carbide brick English
NO. 36 REFRACTORY CEMENT A wet, air setting, high alumina mortar
NOZZLE SET 90P High Purity Alumina chemical bond wet mortar English
ON-LINE® 60 A 60% alumina, low-cement castable designed for rapid curing
ON-LINE® 70G A 70% alumina, rapid turn-around, low-cement castable
PHANTUM® XL127 A magnesia carbon brick for steel ladle applications
PHANTUM® XL148 SUPER A magnesia carbon brick for steel ladle applications English
PLASTECH® 50P STD A 50% alumina, phosphate bonded refractory plastic
PLASTECH® 70P STD A 70% alumina, phosphate bonded plastic refractory
PLASTECH® 85P STD An 85% alumina, phosphate bonded plastic refractory
PLASTECH® 90P FINE A fine grained, 90% alumina, phosphate bonded refractory plastic English
PLASTECH® 90P STD A 90% alumina, phosphate bonded refractory plastic
PLASTECH® RUBY® An alumina-chromium, phosphate bonded refractory plastic
PNEULITE® SPRAY 22 A 2200°F, insulating shotcrete mix English
PRISM® DC High Alumina (96%), Cast Fired Shapes
RENEGADE® BL8H A magnesia carbon brick for steel ladle applications English
RENEGADE® XL10F A magnesia carbon brick for steel ladle applications English
RUBY® RAMMING MIX A phosphate-bonded, alumina-chromium ram mix
RUBY®190 KSV MORTAR An alumin-chrome mortar English
S142® A semi-rebonded 64% magnesia, 17% chrome burned brick English
S145® A semi-rebonded 60% magnesia, 20% chrome burned brick English
SCHIEBERSAND® BO-2 A dry, granular low-carbon material used for well fill for slide gates. English
SENTINEL® RC PLUS A portland cement bonded, high strength, general purpose castable
SFG® A 21% chromia-containing, rebonded magnesia-chrome brick English
SFG®-US A magnesia-chrome brick English
SHAC ADTECH® An extra-high-alumina castable English
SHOT-TECH® 45 LI A fireclay based, low-cement shotcrete mix
SHOT-TECH® 60 A 60% alumina, low-cement shotcrete mix
SHOT-TECH® 80 An 80% alumina, low-cement shotcrete
SHOTKAST® 65 A high-alumina shotcast castable English
SHOTKAST® HMC A high-alumina shotcast castable
SHOTKAST® TRW A shotcast trough castable English
SILSET An air-set silica mortar for coke oven brick English
SLID® An 18% chromia, magnesia-chrome burned brick English
SUPER HYBOND® 60 PLUS A 60% alumina, mullite, air-setting, plastic refractory English
SUPER HYBOND® PLUS A high-strength, air-setting, super-duty, plastic refractory
SUPER NARTAR® R A magnesia carbon brick for Basic Oxygen Furnace Linings English
T-WELL 80 A high alumina, fine graind tamping mix English
TAP-312 AS A Mag-Carbon mix for hydraulically-pressed taphole segments. English
TAP-322 AS A Mag-Carbon mix for hydraulically-pressed taphole segments. English
TAP-332 AS A Mag-Carbon mix for hydraulically-pressed taphole segments. English
TAP-332 F A Mag-Carbon mix for hydraulically-pressed taphole segments. English
TAP-431 AS A magnesia-graphite taphole mix English
TAP-431 AS A Mag-Carbon mix for hydraulically-pressed taphole segments. English
TAP-432 AS A Mag-Carbon mix for hydraulically-pressed taphole segments. English
UFALA® A 60% alumina brick shape
UFALA® A 60% alumina brick shape
UFALA® MCR A 60% Alumina - Andalusite Brick Shape English
UFALA® MCR A 60% Alumina - Andalusite Brick Shape English
UFALA® XCR A 60% Alumina - Andalusite Brick Shape English
UFALA® XCR A 60% Alumina - Andalusite Brick Shape English
UFALA® XCR A 60% Alumina - Andalusite Brick Shape English
ULTRA-EXPRESS® 70 A 70% alumina, free flowing, ultra-low cement castable
ULTRA-GREEN® 57A A 57% alumina, andalusite base, ultra-low cement castable
ULTRA-GREEN® 60 PLUS A 60% alumina, low cement castable English
UNACAST® 1005X An 80% alumina, thermal shock resistant, pre-cast shape English
VARNON® AH Air Ram (53% Alumina) Fireclay Brick English
VERSAFLOW® 45 C PLUS A coarse, fireclay-based, low-cement castable for high-abrasion environments
VERSAFLOW® 45 PLUS A fireclay based, low-cement castable
VERSAFLOW® 55/AR C PLUS A 55% alumina, coarse aggregate, low-cement castable English
VERSAFLOW® 57A PLUS An andalusite containing, low-cement castable
VERSAFLOW® 60 PLUS A 60% alumina, low cement castable
VERSAFLOW® 70 C PLUS A 70% alumina, coarse aggregate, low-cement castable English
VERSAFLOW® 70 PLUS A 70% alumina, low-cement castable
VERSAFLOW® 80 C PLUS An 80% alumina, coarse aggregate, low-cement castable
VIBE-TITE A 70% alumina, dry vibratable English
WM-7588 English
WM-7593 ISO English

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