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.
| Mn | ≥ 65% |
| C | ≤ 7.0% |
| Si | ≤ 2.0% |
| P | ≤ 0.30% |
| S | ≤ 0.03% |
| Size | 10-80mm |
| Grades | HC FeMn (Mn ≥65%) |
| International Reference | ASTM A99 · ISO 5446 |
| Packaging | 1 MT jumbo big bag · Palletized · FCL container |
| Documentation | COA (EN 10204 3.1) · MTC · Radiation certificate · CoO · EUR.1 / A.TR (EU) |
| Quality Control | XRF/ICP · 0.3-0.8 wt% dosage reference |
| Minimum Order | 20 MT FCL / 5 MT LCL |
| Incoterms | FOB / CIF / CFR / DAP |
| Lead Time | Sea 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.
HC Ferro Manganese (HC FeMn)
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