Decisões Subótimas de Compra de Sucata por Falta de Visibilidade de Qualidade
Definition
Search results show that 100+ external scrap suppliers provide inconsistent quality and cost. Brazilian EAF mills, facing high pig iron import costs, are now shifting to scrap optimization—but without supplier quality transparency, they risk purchasing low-grade material that requires expensive corrective blending. One case mentioned EAF mills using higher residual grades of scrap, forcing them to purchase pig iron, DRI, or HBI as dilutants.
Key Findings
- Financial Impact: LOGIC-based estimate: Assume average EAF facility processes 100 tons/day of scrap input. If poor quality forces 10–15% additional dilutant cost (pig iron/DRI at premium): 10–15 tons/day × (R$ 500–R$ 1,000 premium over scrap cost) = R$ 5,000–R$ 15,000/day = R$ 1,500,000–R$ 4,500,000/year per facility. Conservative estimate: 5% overpay on scrap sourcing = R$ 800,000–R$ 1,200,000/year per 100-ton facility.
- Frequency: Per procurement cycle (weekly or daily spot purchases depending on supplier contracts).
- Root Cause: Lack of incoming scrap quality grading standard; no supplier scorecards or certification; purchasing decisions driven by price, not composition; absence of predictive analytics linking scrap composition to melt outcome; high switching costs prevent supplier consolidation.
Why This Matters
The Pitch: Brazilian EAF mills overpay 5–15% on scrap input costs due to poor quality sourcing decisions. Supplier quality scorecarding and real-time metallurgical composition data enable procurement decisions that reduce blending waste and pig iron dependency.
Affected Stakeholders
Procurement managers (supplier selection, contract negotiation), Scrap yard managers (quality assessment at intake), Production planning (charge mix recipe decisions), Metallurgists (blending decisions post-melt), Finance (cost analysis, variance reporting)
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Financial Impact
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Current Workarounds
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Methodology & Sources
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Related Business Risks
Falhas de Qualidade por Mistura Inadequada de Cargas em Fornos de Arco Elétrico
Ociosidade e Atrasos por Classificação Manual de Sucata
Multas por Não Conformidade em Certificação de Tratamento Térmico (INMETRO/MAPA)
Custo de Instalação e Manutenção de Sensores de Temperatura Dual (MAPA Portaria 514/2022)
Rejeição de Lotes por Falha de Certificação (Tratamento Térmico Inválido)
Atraso em Liberação de Certificação (Gargalo de Validação MAPA/INMETRO)
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