Extrusion components in food processing require wear- and corrosion-resistant BÖHLER steels with high strength and hygiene performance. Key quality features include ultra-clean materials, controlled heat treatment, full traceability, and optimized surfaces for reliable processing.
Extrusion operations in food and beverage processing place high demands on materials due to continuous mechanical loading, elevated temperatures, pressure, and exposure to aggressive cleaning media. Components such as screws, barrels, and dies must ensure consistent product quality while maintaining strict hygiene standards. Material requirements focus on high wear and abrasion resistance, corrosion resistance, and dimensional stability under thermal and mechanical stress. Additionally, resistance to adhesive wear and surface degradation is critical to prevent contamination and ensure consistent processing performance.
BÖHLER high-performance steels and alloys are specifically developed to meet these challenges. Advanced tool steels and corrosion-resistant stainless steels offer an optimized balance of hardness, toughness, and resistance to wear and chemical attack. Produced using advanced melting technologies, BÖHLER materials ensure high purity and homogeneous microstructures, supporting long service life and stable processing conditions. Key quality features include precise chemical composition control, certified traceability, and validated heat treatment processes to achieve tailored hardness and surface properties. Surface finish and integrity are strictly controlled to meet hygiene requirements. Comprehensive testing ensures compliance with food safety standards. BÖHLER materials enable efficient, reliable, and hygienic extrusion processes with extended tool lifetime.
BÖHLER K340 ISODUR belongs to the group of 8% chromium steels. This tool steel is produced using the electro-slag remelting (ESR) process developed by BÖHLER. This re-melting technology ensures the lowest micro and macro segregation as well as excellent purity and uniformity of the material. Compared to conventional 12% chromium steels, BÖHLER K340 ISODUR offers significantly better toughness, hardening response and higher resistance to adhesive wear. This material is therefore used in virtually all cold work applications in situations where tool steels like 1.2379 are insufficient in terms of adhesive wear resistance and toughness. K340 ISODUR also features better machinability and reduces the risk of stress cracking during electrical discharge machining.
Read MoreBÖHLER K890 MICROCLEAN is a high-performance cold work tool steel manufactured using powder metallurgy. It features good toughness, very high compressive strength and excellent fatigue strength. This favorable combination of properties can avoid chipping damages to tools. BÖHLER K890 MICROCLEAN is not only used in cold work applications, but also in mold making.
Read MoreBÖHLER M390 MICROCLEAN is a corrosion-resistant, martensitic chromium steel produced by powder metallurgy. Due to its alloy design, this steel has very high wear resistance and good corrosion resistance. In addition, BÖHLER M390 MICROCLEAN is approved for food and beverage contact.
Read MoreUddeholm Tyrax ESR combines best in class toughness, corrosion and wear resistance. This grade was developed for molding of high performance plastics often filled with glass fiber reinforcements and additives like flame retardants. This matrix- based microstructure is designed to achieve a high-gloss surface by only a few polishing steps, dramatically reducing the tool lead time and enabling production of top quality plastic parts. Uddeholm Tyrax ESR can achieve a high hardness (up to 58 HRC) and is a suitable upgrade from AISI 420 ESR, AISI S7 and AISI 440C. Benefits good dimensional stability at heat treatment and in service even microstructure and small grain size good hardenability Uddeholm Tyrax is also available for Additive Manufacturing, powder for processing Laser Powder Bed Fusion (LPBF) and Laser Metal Deposition (LMD).
Read MoreUddeholm Vanadis 8 SuperClean sets a new standard for Powder Metallurgical Tool Steel. The technological advancements makes this cold work tool steel superior to its predecessors. The unprecedented combination of extremely high wear and chipping resistance paired with improved machining properties raises production rates and reduces costs. Benefits Lower price per produced part Longer tool life Predictable Production Standard specification AISI D2 / AFNOR de type Z230VCD8.5.4
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