Carbon Additive Recarburizer for Steelmaking and Foundry Use
Industrial carbon additive, also described as recarburizer or carbon raiser, offered for steelmaking and ductile iron foundry applications. Buyer checks should focus on fixed carbon grade, sulfur, ash, volatile matter, moisture, particle size, packing format, HS code confirmation, and export documentation for India-bound shipments.
Quick buying facts
Identify the grade, package, and import market before comparing suppliers.
Use this page to check the product identity, common specification points, document scope, package notes, and destination-market questions before sending a China sourcing request.
Fixed carbon options: 90%, 92%, 93%, 95%, or 98% minimum, depending on gradeIndustrial carbon additive / recarburizerCandidate for buyer RFQ after identity, grade, impurity, and export-document checks
Fixed carbon options: 90%, 92%, 93%, 95%, or 98% minimum, depending on grade
Ash maximum: 9%, 7%, 6%, 4%, or 0.5%, depending on grade
Volatile matter maximum: 2%, 1.5%, 1.5%, 1%, or 0.5%, depending on grade
Moisture maximum: 1% or 0.5%, depending on grade
Sulfur maximum: 0.4%, 0.3%, or 0.1%, depending on grade
Reported C content range: 90-95% in basic product data
Reported ash range: 4.0-8.0% in basic product data
Reported sulfur range: 0.15-0.25% in basic product data
Reported volatile matter range: 0.5-1.2% in basic product data
Available particle sizes listed: 1-3 mm, 1-4 mm, 1-10 mm, 1-12 mm, 1-15 mm, and 4-12 mm
Form described as grains or granular, round or prismatic, with metallic luster and porosity
Material descriptions include calcined anthracite, petroleum coke recarburizer, and carbon raiser; buyers should confirm the exact feedstock for the quoted lot
Who uses this page
Target buyers
Steel mills
Foundries producing ductile iron or cast iron
Metallurgical raw material distributors
Industrial carbon additive importers
Ferroalloy and steelmaking consumables procurement teams
India-based chemical and metallurgical material importers
Before matching
Documents to check
CAS number, grade, assay, and impurity profile
SDS, COA, TDS, HS code, and transport classification
Destination-market import documents before supplier matching
Package and route
Packing notes
Listed packing options include 25 kg bags, 50 kg bags, 500 kg bags, and 1 MT jumbo bags
Transport package described as 25 kg plastic bag, 1 MT jumbo bag, or customized packing
Woven bag lined with polyethylene plastic film is mentioned
Confirm palletization, container loading quantity, inner liner, bag labeling, and moisture protection requirements before order
Request photos of current packing and shipping marks for India import documentation alignment
Applications and sourcing options
Check whether this product fits the buyer's actual application.
Clear application, grade, package, and document notes help separate real sourcing demand from a vague price check.
Use context
Common applications
Carbon adjustment in electric furnace steelmaking
Carbon raising in ductile iron foundry operations
Cast iron production requiring controlled carbon input
Steelmaking consumable procurement where low sulfur and low ash grades are specified
Distributor sourcing for metallurgical carbon additive grades
How we compare
Sourcing options
Quote by fixed carbon grade and sulfur limit
Quote by particle size range such as 1-3 mm, 1-4 mm, 1-10 mm, or 4-12 mm
Quote by packing format: 25 kg bag, 50 kg bag, 500 kg bag, or 1 MT jumbo bag
Request India export documentation package before placing order
Request third-party inspection before container loading
Compare calcined anthracite versus petroleum coke based recarburizer options
Human review
Compliance notes
No CAS number is provided in the source listing; buyers should request CAS or material identification statement suitable for customs and internal compliance review
Request latest COA showing fixed carbon, sulfur, ash, volatile matter, moisture, and particle size distribution for the exact shipment grade
Request SDS, TDS/specification sheet, certificate of origin, commercial invoice, packing list, and HS code rationale
Confirm whether the product is regulated as dangerous goods for the intended transport mode; source text does not provide DG classification
Check Indian import requirements, buyer industry use, customs classification, and any port-specific documentation expectations before shipment
Confirm whether the material is calcined anthracite, petroleum coke based recarburizer, or another carbonaceous source, as this may affect compliance review and buyer acceptance
Supplier claims and third-party audit labels from marketplace page should be independently verified before qualification
Avoid relying on marketplace title terms such as hot item or broad export claims as compliance evidence
Buyer search paths
Related sourcing terms
These terms support long-tail discovery while keeping the page focused on useful product and China export buying context.
carbon additive China export to Indiarecarburizer supplier Chinacarbon raiser for steelmakingcalcined anthracite carbon additivepetroleum coke recarburizerlow sulfur recarburizerfixed carbon 95 recarburizerfoundry carbon additivesteelmaking carbon additiveHS code 3824903000 carbon additive
Related product options
Build a broader quote package from adjacent options.
Buyers often compare neighboring grades, forms, or route options before sending one consolidated RFQ.
Share target market, quantity, packaging scope, artwork status, delivery destination, and required documents so CHN Chemicals can prepare a cleaner supplier comparison.
Questions to confirm
What is the exact product identity for the quoted material: calcined anthracite, petroleum coke recarburizer, or another carbon source?
Can you provide CAS number or material identification details used on SDS and export documents?
Which grade is available for the requested lot: fixed carbon 90%, 92%, 93%, 95%, or 98% minimum?
What are guaranteed maximum values for sulfur, ash, volatile matter, moisture, and phosphorus if applicable?
Can you provide recent COA from the same production line and batch-size range?
What particle size distribution can be guaranteed, and what tolerance applies to fines and oversize material?
Is the material electrically calcined, furnace calcined, or otherwise processed?
What is the minimum order quantity for export to India and current lead time after order confirmation?
Checks before quote
No CAS number is provided in the source listing; buyers should request CAS or material identification statement suitable for customs and internal compliance review
Request latest COA showing fixed carbon, sulfur, ash, volatile matter, moisture, and particle size distribution for the exact shipment grade
Request SDS, TDS/specification sheet, certificate of origin, commercial invoice, packing list, and HS code rationale
Confirm whether the product is regulated as dangerous goods for the intended transport mode; source text does not provide DG classification
Check Indian import requirements, buyer industry use, customs classification, and any port-specific documentation expectations before shipment
Confirm whether the material is calcined anthracite, petroleum coke based recarburizer, or another carbonaceous source, as this may affect compliance review and buyer acceptance
Supplier claims and third-party audit labels from marketplace page should be independently verified before qualification
Avoid relying on marketplace title terms such as hot item or broad export claims as compliance evidence
Next step
Send the product page with your target quantity and market. A sourcing manager can then confirm sample options, supplier fit, packaging details, and open document gaps.
