Steelmaking and foundry auxiliaries · Cored wire

Composite calcium cored wire

Composite calcium cored wire is a custom family using two or more calcium-bearing carriers, functional components or a defined layered construction. Single metallic-calcium, calcium-silicon and dedicated calcium-aluminium cores belong to their own product pages; CaFe and other confirmed multi-component or layered systems require their own formal TDS.

Ladle calcium treatment after construction and effective Ca confirmationControl addition point, depth and sequence through wire feedingClose the loop against the actual core, wire, equipment and lot

View grades and specifications

Product codeCW-CA-COMPOSITE

Industry application1

Key indicatorsCa · Steel sheath / diameter / g/m · Core sizing / moisture / uniformity

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 is

What it does

Ladle calcium treatment after construction and effective Ca confirmation
Control addition point, depth and sequence through wire feeding
Close the loop against the actual core, wire, equipment and lot

Where it fits

Ladle-treatment stage after steel analysis and deoxidation conditions are established

Boundary not to miss

Total calcium, core calcium, effective calcium per metre and recovered steel calcium must not be conflated; wrong construction assumptions can cause severe dose and reaction errors

SELECTION BOUNDARY

Start with the selection boundary

A cored-wire product name is not a complete supply specification. The formal SKU/TDS must fix core chemistry and carrier, sizing/moisture, diameter and tolerance, steel-strip material/thickness/seam, core mass per metre and uniformity, joints, coil mass, pack, SDS/PSI and lot COA; third-party example data are not Jinsheng guarantees.

PRODUCT MANUFACTURING

Product manufacturing process

Cored wire is generally made through reviewed core preparation, sizing and moisture control, cold-rolled-strip forming, metered filling, seaming, coiling and inspection. This is a general industry illustration, not Jinsheng's own line or a named supplier process.

01Verify core identity, chemistry and safety documents
02Control core sizing, moisture and uniformity
03Form the steel strip, meter the core and close the seam
04Inspect diameter, core mass per metre, joints and leakage
05Coil, identify, sample and moisture-protect the pack

SPECIFICATIONS & PACKAGING

Grades, specifications, indicators and packaging

The specification must separate core chemistry from calculated whole-wire chemistry and define sizing/moisture, diameter and tolerance, strip material/thickness/seam, core mass per metre and variation, coil mass, joints, pack, TDS, SDS/PSI and lot COA together.

01Fix the formal core grade, carrier and test method
02Confirm sizing, moisture and core mass per metre
03Confirm diameter, strip, seam and joints
04Confirm coil, pack, label and lot documents

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 01Composite calcium cored wireConfirm grade, applicable standard and guaranteed values before quotation	CaConfirm in inquiry Steel sheath / diameter / g/mConfirm in inquiry Core sizing / moisture / uniformityConfirm in inquiry	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

Composite calcium cored wire

Compare the key indicators below, then confirm grade, guaranteed values, sizing and packing against the operating conditions.

Key indicators: CaSteel sheath / diameter / g/mCore sizing / moisture / uniformity
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

Ladle-treatment stage after steel analysis and deoxidation conditions are established

Furnace / equipment: BOF, EAF, LF/VD/VOD ladle refining and pre-casting treatment equipment
Material / output: Steel with defined O/S/Al, carrier construction and effective Ca per metre

APPLICATION METHOD

Application method and effect validation

Before field use, confirm melt grade and initial chemistry, target net increase, temperature, slag, feeder, addition point, core mass per metre and historical recovery; trial-feed and resample before fixing speed, depth, total length and stop criteria.

01Confirm melt, target and prohibited conditions
02Make the mass balance from measured chemistry and core mass per metre
03Check the feeder and set the trial-feeding window
04Feed under the process card and control the reaction
05Resample, verify and confirm stop criteria

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.

Steelmaking plants

Ladle-treatment stage after steel analysis and deoxidation conditions are established

Furnace / equipment: BOF, EAF, LF/VD/VOD ladle refining and pre-casting treatment equipment
Material / output: Steel with defined O/S/Al, carrier construction and effective Ca per metre
Method: First confirm the formal core grade, chemistry, sizing/moisture, diameter, steel strip, core mass per metre and joints; then establish speed, depth and stop criteria from melt analysis, temperature, feeder and a trial-feeding plan.
Quantity determination: Calculate from initial melt value, target net increase, measured core chemistry, core mass per metre and plant recovery, then close by resampling; no fixed kg/t or m/s is published without furnace, grade and equipment context.

Expected effects

Ladle calcium treatment after construction and effective Ca confirmation

Limits and risks

Total calcium, core calcium, effective calcium per metre and recovered steel calcium must not be conflated; wrong construction assumptions can cause severe dose and reaction errors

STORAGE & SAFETY

Storage, handling and risk

Keep dry, moisture-protected and rust-protected, preventing powder leakage, wire breakage and loose coils; inspect appearance, joints, identity and pack integrity before handling and feeding.
The core may present dust, combustion, reactivity, fume or melt-splash risks; operate only under the actual SKU SDS/PSI, equipment procedure and destination rules.

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.

Blank COA template

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 053—2016 Cored wire — general standard ↗Standard · 2026-08-18
YB/T 4214—2010 Cold-rolled steel strip for cored wire ↗Standard · 2026-08-18

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 includedCW-CA-COMPOSITEComposite calcium cored wire

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.