Cronidur 30

1 Cronidur 30 Maximum Demand by Maximum Demand by Corrosive Stress Wear The Profile - Cronidur 30 features superior corrosion resistance excellent machinability high dimensional stability after heat treatment excellent grinding and polishing ability to obtain ETE-V HankeSep. 2008 excellent grinding and polishing ability to obtain optimal surface quality high durability by maximum hardness under static and dynamic demands good wear resistance high temper resistance up to 500 CChemical CompositionCronidur 30 CCr Mo Mn HankeSep. 2008 Typical Hardness: 54 61 HRcCronidur 30 offers an extreme high cleanliness by using the PESR production process (Pressurized Electro Slag Remelting) optimized and homogenious structure by customized ETE-V HankeSep.

2 2008 optimized and homogenious structure by customized forging a microdisperse formation of mainly chromium-carbonitrides, typical carbide size 6-10 m (max. 40 m depending on material size/diameter) excellent machinability, grindability and polishingCronidur 30 Production Process The DESU-FacilityETE-V HankeSep. 2008 PESR- and Conventional Structure in ComparisonETE-V HankeSep. 2008 Cronidur 30 , Magnification , Magnification 1000xTypical Applications exhibits higher corrosion resistance than , , , offers higher wear resistance to , or tougher and secondary hardening alternative to all corrosion resistant PM-steels0,15 ETE-V HankeSep. 200800,020,040,060,080,11002503504505506 50X35 CrMo17 Cronidur 30012345100200300400500600700X35 CrMo17 Crionidur 30 Dimension loss in 5% NaCl-dissolution and 0,2% acetic acid dissolution against tempering temperature.

3 Cronidur 30 Tool Steel Comparagraph253035 ETE-V HankeSep. 30 CPM S 30V X170 Cr18 PMCorrosion DullnessDurabilityWear ResistanceImpact Strength and Hardness140160180 Impact Strength in J606570 Hardness in HRcETE-V HankeSep. 2008406080100120150 200 250 300 350 400 450 500 550 Tempering Temperature in CImpact Strength in J3540455055 Hardness in Impact Strength in JHardnessHigh Corrosive Claimed Cutter, Portioner- and Filling-Units in the Food Industry Because of the constant structural condition and homogeneous allocation of nitride and carbonitrides you will reach a superior cutting ability and edge holdingability at high HankeSep. 2008 Butcher s Knife (Cutter)Perforation EquipmentComparison of Corrosion Test Results in different MediumsBrand cAbility to Bearing Steel++++-+++Medium 20 cAbility to Bearing Steel++++-+++Medium 20 HankeSep.

4 2008 Medium 20 % ++0++--Salt Acid ++-------Sulphuric Acid Acid ++++++----Phosphoric Acid ++-+++Citric Acid ++-+----Sulphurous Acid ++-------Medium 20 % ++0++--Salt Acid ++-------Sulphuric Acid Acid ++++++----Phosphoric Acid ++-+++Citric Acid ++-+----Sulphurous Acid ++-------++ constant / + temperate constant / - barely applicable / -- unstable / 0 not tested Professional Cutlery and Table Holloware with Superior Corrosion-Resistance and Cutting-PerformanceMaterialKnife blade after cyclic submerge Cut-out1 cm x 1 cmX46Cr13 MaterialKnife blade after cyclic submerge Cut-out1 cm x 1 cmX46Cr13 ETE-V HankeSep. 2008X50 CrMoVX50 CrMoVCronidur 30 Cyclic Submerge acc. to DIN EN ISO 8442-1 Cronidur 30 Beats all Specifications of DIN 8442-1 Cronidur 30 Less than 5 Pittings < mm andLess than 50 Pittings < mmLess than 5 Pittings < mm orLess than 50 Pittings < mmCronidur 30 Less than 5 Pittings < mm andLess than 50 Pittings < mmLess than 5 Pittings < mm orLess than 50 Pittings < mmETE-V HankeSep.

5 2008X50 CrMoV15No Pittings > mmX46Cr13No Pittings > mm per blade (Minimum standards of RAL RG 604)At most three Pittings < mm per 20 cm no Pittings > mmNo cracks and no overlapping(Minimum standards of DIN EN ISO 8442-1)X50 CrMoV15No Pittings > mmX46Cr13No Pittings > mm per blade (Minimum standards of RAL RG 604)At most three Pittings < mm per 20 cm no Pittings > mmNo cracks and no overlapping(Minimum standards of DIN EN ISO 8442-1)Cutting Ability of Knife Baldes (ICP-Value)Reference MaterialX46Cr13 Minimum StandardETE-V HankeSep. 2008020406080100 Cronidur 30 / 1050 CCronidur 30 / 1010 CCronidur 30 / 990 CCutting Ability (ICP-Value / mm)Edge Holdingability of Knife Blades (TCP-Value)Reference MaterialX46Cr13 Minimum StandardETE-V HankeSep.

6 2008020406080100 Cronidur 30 / 1050 CCronidur 30 / 1010 CCronidur 30 / 990 CEdge Holdingability (ICP-Value/ mm)Vanes, Spindles, Extrusion- und Portioner-Units in the Chemical- and Pharmaceutical Industry Outstanding tribological properties under boundary lubricationalso by additional corrosion demands or artifical HankeSep. 2008 Highly stressed machine components in aggressive Tribological properties for critical CircumstancesLubrication/ Test Conditions Contact Stress Pc in MPaResultsCronidur 30 Full Lubrication[EHD]3,800100Cr 6: L10 = 16h M50: L10 = 160hL10 > 260hFull Lubrication [EHD]2,800100Cr 6: L10 = 800hL10 > 3,900hLubrication/ Test Conditions Contact Stress Pc in MPaResultsCronidur 30 Full Lubrication[EHD]3,800100Cr 6: L10 = 16h M50: L10 = 160hL10 > 260hFull Lubrication [EHD]2,800100Cr 6: L10 = 800hL10 > 3,900hETE-V HankeSep.

7 2008 Full Lubrication [EHD]2,800100Cr 6: L10 = 800hM50: L10 = 600hL10 > 3,900hBoundary Lubrication2,500100Cr 6: L10 = 55h 440C:L10 = 10hL10 > 1,050hBoundary Lubrication andCorros. Cyclic Test (Salt Spray)2,800440C: L10 = 10hL10 > 240hBoundary Lubrication and Artificial Indentations2,500100Cr 6:L10 = 35hL10: 500hHFA Hydr. Fluid2,500100Cr 6: L10 = 57h 440C: L10 = 370hL10: 570hHFC Hydr. Fluid2,500440C. L10 = 370hL10 > 4,000hFull Lubrication [EHD]2,800100Cr 6: L10 = 800hM50: L10 = 600hL10 > 3,900hBoundary Lubrication2,500100Cr 6: L10 = 55h 440C:L10 = 10hL10 > 1,050hBoundary Lubrication andCorros. Cyclic Test (Salt Spray)2,800440C: L10 = 10hL10 > 240hBoundary Lubrication and Artificial Indentations2,500100Cr 6:L10 = 35hL10: 500hHFA Hydr.

8 Fluid2,500100Cr 6: L10 = 57h 440C: L10 = 370hL10: 570hHFC Hydr. Fluid2,500440C. L10 = 370hL10 > 4,000hPersuasive Mechanical properties under Static and Dynamical PressureAISI 440 CM 50 Cronidur 30 Durability [HRc]> 58> 60> 58 Yield Strength [MPa] 1,9002,2001,850 AISI 440 CM 50 Cronidur 30 Durability [HRc]> 58> 60> 58 Yield Strength [MPa] 1,9002,2001,850 ETE-V HankeSep. 2008 Tensile Strength [MPa]2,0502,4802,150 Elongation [%] Test under Reversed Bending Stresses (Rotating Fatigue Test) [MPa]-810> 1,200 Toughness [MPa sqr m] > 15> 20> 20 Tensile Strength [MPa]2,0502,4802,150 Elongation [%] Test under Reversed Bending Stresses (Rotating Fatigue Test) [MPa]-810> 1,200 Toughness [MPa sqr m] > 15> 20> 20 Typical Applications Chemical- and Pharmaceutical IndustryCompression Tools superior toughness compared to also at filigree geometries good broaching under hardened ETE-V HankeSep.

9 2008 good broaching under hardened condition excellent grinding- and polish properties high corrosion resistance especially for CIP-applicationsAbrasive Wear Resistance80100120 Loss/mg]ETE-V HankeSep. on Disc Test F = 50 N Pin: Dia = 6 mm[WeightLoss/mg]Typical Applications Plastics IndustryHigh-Glance Polished Cavities in the Plastics Industry outstanding machinability also in hardened condition high dimensional stability after heat treatment optimal surfaces with outstanding polish ability through ETE-V HankeSep. 2008 optimal surfaces with outstanding polish ability through homogeneous structural conditions and fine distributed hard phases high reliability against hydrochlorid solutions and hotgas- corrosion (for example PVC-assimilation)Typical Applications Recycling IndustryShredderknives und Granulatingrotors in the Recycling Industry high toughness and corrosion resistance against different mediums at moderate wear resistanceETE-V HankeSep.

10 2008 Typical Applications Bearing IndustryBall Screw Bearings and Nuts for Aerospace and Industrial Applications high hardness and corrosion resistance under different surroundings and temperaturesETE-V HankeSep. 2008 SummaryCronidur 30 is the ideal solution For tools and machine parts which need high toughness under static and dynamic stresses For tools and machine parts which are in contact with very corrosive fluids or gases even under bad abrasive conditions ETE-V HankeSep. 2008corrosive fluids or gases even under bad abrasive conditions Compared to the commonly used tool steels , and if higher corrosion resistance is requested And/or if there are higher requirements concerning grindability and polishabilty to achieve better surface conditions