What it is
A granular refractory family filling the ladle upper-nozzle and well-block region to support ladle free opening; mineral system, size distribution, sintering behaviour and ladle cycle require coordinated selection.
Continuous-casting auxiliaries · Ladle nozzle
Ladle well filler sand
A granular refractory family filling the ladle upper-nozzle and well-block region to support ladle free opening; mineral system, size distribution, sintering behaviour and ladle cycle require coordinated selection.
Product codeCC-LADLE-WELL-FILLER
Industry application1
Key indicators主矿物体系 · 耐火组分 / 烧结助剂 · 粒度级配 / 水分 / 流动性
Order boundaryQuotation and order confirmation
QUICK DECISION
Four answers before reading the technical detail
This section supports initial screening; final grade, addition and effects require operating conditions, formal documents and plant validation.
What it does
- Support for ladle free opening
- Nozzle-channel filling
- Resistance to steel penetration
Where it fits
- Nozzle filling during ladle preparation and free-opening verification at casting start
Boundary not to miss
- Moisture, excessive sintering, steel penetration, grading segregation or underfilling can cause failure to free-open, oxygen-lancing and personnel risk
SELECTION BOUNDARY
Start with the selection boundary
Well filler is not mould flux, tundish cover, starter powder or ladle cover; its role is nozzle filling and free opening, not molten-steel surface coverage.
PRODUCT MANUFACTURING
Product manufacturing process
Ladle well filler is generally prepared from verified refractory minerals and any necessary sintering modifiers. A general workflow includes mineral-identity and cleanliness review, drying, crushing/screening, metered multi-size proportioning, homogenization, flow/sintering/penetration-related testing and rigorous moisture-protected packing. The actual mineral system and proportions belong to the supplier TDS.
- 01Verify refractory minerals, sintering modifiers, cleanliness and safety documents
- 02Dry, crush and screen controlled multi-size fractions
- 03Meter and homogenize the formal size blend while controlling fines and segregation
- 04Test chemistry, sizing, flowability, moisture, sintering and steel-penetration-related performance
- 05Pack sealed against moisture and retain mineral-source and lot traceability
SPECIFICATIONS & PACKAGING
Grades, specifications, indicators and packaging
Specification selection must confirm product identity, guaranteed chemistry, sizing, form, packing, test method and order use together.
- 01Confirm formal product identity, applicable standard, supplier grade and actual production route
- 02Fix principal chemistry, limiting items, physical indicators and the corresponding test methods
- 03Confirm form, size distribution, fines, moisture, flowability or unit mass for storage, handling and charging equipment
- 04Confirm pack, label, TDS, SDS/PSI, sampling rules and lot COA
GRADES & SPECIFICATIONS
Grades, specifications, indicators and packaging
Supply specifications, packaging, lead time and quality documents are subject to the formal quotation and order confirmation.
| Grade / family | Chemistry | Size and form | Packaging |
|---|---|---|---|
| Specification direction 01Ladle well filler sandConfirm grade, applicable standard and guaranteed values before quotation |
| Confirm against the addition method, equipment and order requirements | Confirm pack format, net weight and labels in the quotation and order |
ORDER SPECIFICATION CONFIRMATION
What must be confirmed before this becomes an order specification
Supply specifications, packaging, lead time and quality documents are subject to the formal quotation and order confirmation.
- 01Confirm the product, grade, application and supply scope
- 02Fix guaranteed chemistry, sizing, form and packing in the quotation and order
- 03Agree sampling, test methods, acceptance rules and lot COA fields
- 04Confirm the required TDS, SDS/PSI, labels and delivery documents
SELECTION AND COMPARISON
Compare specification directions by indicators and operating conditions
Supply specifications, packaging, lead time and quality documents are subject to the formal quotation and order confirmation.
01Specification direction
Ladle well filler sand
Compare the key indicators below, then confirm grade, guaranteed values, sizing and packing against the operating conditions.
- Key indicators
- 主矿物体系耐火组分 / 烧结助剂粒度级配 / 水分 / 流动性
- Size and form
- Confirm against the addition method, equipment and order requirements
- Packaging
- Confirm in the quotation and order
INDUSTRY APPLICATION
Industry, furnace, material and addition point
Confirm the process position before method and quantity calculations; an application relationship for one furnace or material must not be copied to another.
Steelmaking plants
Nozzle filling during ladle preparation and free-opening verification at casting start
- Furnace / equipment
- Ladle slide-gate/nozzle system feeding continuous casting
- Material / output
- Steel reviewed for grade, temperature, residence time and ladle design
APPLICATION METHOD
Use scenarios, method, effect and risk validation
During ladle preparation, clean and inspect the upper nozzle, well block and slide gate, then fill uniformly by geometry and the specified method; keep dry and prevent segregation, underfilling and steel/slag contamination. A matched size/sintering window can improve free-opening stability; moisture, excessive sintering, steel penetration or underfilling can cause failure to free-open, oxygen lancing and personnel risk. Verify with free-opening, residual-filler, ladle-cycle and incident records; it is not for bath-surface coverage.
- 01Confirm steel grade, process point, equipment, initial state, process objective and prohibited conditions
- 02Check the actual SKU, lot COA, TDS, SDS/PSI and site history
- 03Run a small site trial from mass/heat balances or the equipment window without copying a fixed cross-plant dose
- 04Resample or record slag, steel, temperature, equipment response, defects and performance before approval, correction or stop
PROBLEM AND SOLUTION
From operating objective to effect verification
Each application explains the role, method, quantity principle and risk boundary; the final proposal is confirmed against operating conditions and lot documents.
01
Steelmaking plants
Nozzle filling during ladle preparation and free-opening verification at casting start
- Furnace / equipment
- Ladle slide-gate/nozzle system feeding continuous casting
- Material / output
- Steel reviewed for grade, temperature, residence time and ladle design
- Method
- After cleaning and inspecting the nozzle system, fill uniformly by the specified volume and method, avoiding moisture, segregation, underfilling and steel/slag contamination.
- Quantity determination
- Determine from nozzle/well-block geometry, bulk density and site filling verification, not by a fixed per-tonne-steel dose.
Expected effects
- Can improve ladle free-opening stability when size distribution and sintering window are matched
Limits and risks
- Moisture, excessive sintering, steel penetration, grading segregation or underfilling can cause failure to free-open, oxygen-lancing and personnel risk
STORAGE & SAFETY
Storage, handling and risk
- Keep strictly dry and sealed against foreign matter; verify safe ladle-maintenance, slide-gate and nozzle conditions before filling.
This section does not replace the company's final SDS/PSI or the plant safety procedure.
REFERENCE AND ORDER BOUNDARY
Use industry references to understand, then order documents to confirm
Supply specifications, packaging, lead time and quality documents are subject to the formal quotation and order confirmation.
DOCUMENTS & MEDIA
Images, TDS, SDS and COA
Document availability depends on the product, lot, destination market and order agreement.
TDS
Confirms product identity, guaranteed indicators, sizing, form and packing.
SDS / PSI
Confirms storage, handling, protection and market-specific safety information.
COA
Links a specific lot to test items, results, methods and issue information.
INDUSTRY TECHNICAL REFERENCES
Selected external reference material
The following items come from licensed public media or original producer websites and explain similar products or typical processes only. They are not Jinsheng photographs, TDS, SDS or lot COA and create no supply commitment.
COA field template (not a certificate)
A blank structure for lot, chemistry, sizing, method, disposition and issue data. It contains no test result and cannot be used for delivery.
Jinsheng blank COA field template · 2026-08-14Open field template ↗SOURCES
Public references and verification dates
- YB/T 6383—2025 Ladle well filler sand, official record ↗Standard · 2026-08-19
- RHI Magnesita ladle well-filler application study ↗Manufacturer source · 2026-08-19
Public sources supplement general facts; they do not replace Jinsheng's formal product specification, TDS or lot COA.
INQUIRY PREPARATION
Prepare these operating conditions for a more precise technical response
Please provide the specification, quantity, destination, and contact information.
Already includedCC-LADLE-WELL-FILLERLadle well filler sand
- 01Target industry, steel grade or casting material
- 02Furnace type, equipment, melt weight and current operating practice
- 03Measured chemistry, target chemistry and permitted residuals
- 04Planned addition point, temperature, slag and stirring conditions
- 05Current product, addition, recovery or operating-issue record
- 06Required size, form, packaging, quantity and destination
- 07Available melt analysis, microscopy, photographs or trial results
TECHNICAL AND QUOTATION CONSULTATION
Send the operating conditions for human review
Domestic inquiries are handled by the Domestic Sales Department and international inquiries by the International Sales Department. Price, availability and lead time are confirmed for each inquiry based on specification, quantity and delivery location.