Geschäftsführer

Mehdi Malek

Mehdi Malek ist Geschäftsführer von Arsam Metal. Er leitet das Beschaffungsnetz und die technische Seite des Unternehmens und entscheidet am Ende, mit welcher Spezifikation, welchen Dokumenten und zu welchem Termin eine Partie verschickt wird. Im Blog schreibt er über die Fragen, die Gießereien und Stahlwerke jeden Tag stellen: welche Legierung, welche Körnung, welches Zeugnis wirklich nötig ist.

Artikel

Choosing a recarburizer: CPC, GPC or calcined anthracite for your melt?

Recarburizer choice for grey iron, ductile iron and steel: fixed carbon, sulphur, nitrogen, recovery and the cost per kg of dissolved carbon. When GPC pays.

2026-10-147 Min.

What documents does an EU buyer ask for in a ferroalloy quote, and which ones actually apply?

COA, MTC 3.1, CBAM emissions data, A.TR and EUR.1: which document applies to which ferroalloy or SiC shipment into the EU, and what to send with your RFQ.

2026-10-147 Min.

Silicon carbide in the induction furnace: instead of FeSi, or alongside it?

Metallurgical SiC brings both Si and C and keeps nucleation alive longer than FeSi. How much FeSi and carbon it replaces, when to add it, and the break-even price.

2026-09-247 Min.

Si Metal 441 or 553? Choosing the right grade for aluminum casting and silicone chemistry

Si Metal 441 (Fe≤0.4%, Ca≤0.1%) vs 553 (Fe≤0.5%, Ca≤0.3%): Al-Si casting intermetallics, Rochow-process trace-element control, and the real grade-cost call.

2026-07-086 Min.

HC FeMn or FeSiMn? The metallurgy behind the manganese alloying decision

Choosing between high-carbon ferromanganese and ferrosilicomanganese: deoxidation, desulfurization, dosage math and EAF bath chemistry. Mn ≥65% spec, per-ton cost difference.

2026-06-156 Min.

FeSiMg Mg fade kinetics in ductile iron: why the 10-minute window is real

The 10-minute critical window from nodularization to pour. Mg fade physics, FeSiMg particle size logic, and numbers from a Turkish foundry case.

2026-04-246 Min.