Arsam MetalARSAM METAL
HC Ferro Manganese (HC FeMn) — Illustrative image
Illustrative image
HC FeMn

HC Ferro Manganese

Also known as: High carbon ferromanganese · HCFeMn

High carbon ferro manganese (HC FeMn) is a primary manganese unit for steelmaking, used to deoxidize liquid steel and to alloy in manganese for strength and hardenability. Manganese has a higher affinity for oxygen and sulfur than iron, so HC FeMn pulls dissolved oxygen into the slag and ties up sulfur as MnS, countering hot-shortness during rolling. This grade carries Mn ≥ 65% with C ≤ 7.0%, Si ≤ 2.0%, P ≤ 0.30% and S ≤ 0.03%, sized 10-80mm for controlled dissolution in BF-BOF and EAF practice. The 65% Mn floor and capped P suit construction and structural steels, alloy steel, and ladle desulfurization where carbon pickup is acceptable. Typical additions run about 0.3-0.8 wt% of the heat, adjusted to target Mn recovery and residual limits. Conformance is verified by XRF/ICP against ASTM A99 / ISO 5446, with COA and MTC supplied per lot. Multi-regional sourcing supports CIF Marmara delivery and Gebze bonded stock, in 20 MT FCL lots. Send heat size and target Mn for a graded RFQ.

Technical Specifications

Mn≥ 65%
C≤ 7.0%
Si≤ 2.0%
P≤ 0.30%
S≤ 0.03%
Size10-80mm

Arsam Standard

GradesHC FeMn (Mn ≥65%)
International ReferenceASTM A99 · ISO 5446
Packaging1 MT jumbo big bag · Palletized · FCL container
DocumentationCOA (EN 10204 3.1) · MTC · Radiation certificate · CoO · EUR.1 / A.TR (EU)
Quality ControlXRF/ICP · 0.3-0.8 wt% dosage reference
Minimum Order20 MT FCL / 5 MT LCL
IncotermsFOB / CIF / CFR / DAP
Lead TimeSea CIF 28-35 days · Gebze bonded stock 24-48h · alternative road/ferry 12-21 days

International standards are a reference basis; certificates provided on request with document verification.

Applications

Industrial applications
Steelmaking
Desulfurization
Alloy steel production
Construction steel

Frequently Asked Questions

What is the difference between HC FeMn and FeSiMn?
HC FeMn (Mn ≥ 65%, C ≤ 7%) is a straight manganese source for construction and alloy steels that need high manganese. FeSiMn (Mn 65-72%, Si 14-22%) combines deoxidation and alloying in one addition. Many meltshops use both at different stages.
Are the HC FeMn manganese and carbon levels suitable for construction steel?
Our standard values: Mn ≥ 65%, C ≤ 7.0%, Si ≤ 2.0%, P ≤ 0.30%, S ≤ 0.03%, size 10-80 mm. Suitable for manganese alloying in rebar and alloy steel; the high carbon also contributes to the EAF carbon balance. COA and MTC with every lot.
What is the typical HC FeMn dosage in steelmaking?
Typically 0.3-0.8% depending on the steel grade and the bath manganese target. The plant's metallurgy team sets the exact amount; we can work through the calculation with you.
Which documents come with HC FeMn?
COA, MTC and radiation certificate are standard with every lot. Independent inspection by SGS, Bureau Veritas or Intertek is arranged on request. EU shipments carry EUR.1 or A.TR and embedded-emission data for CBAM.
What is the HC FeMn lead time?
Sea freight CIF Mersin or İskenderun 28-35 days. From the Gebze bonded warehouse within 24-48 hours when stock is held; road and ferry 12-21 days.

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HC Ferro Manganese (HC FeMn)

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