• Document: MATERIAL SPECIFICATIONS CATALOGUE
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M AT E R I A L S P E C I F I C AT I O N S C ATA L O G U E Manganese High Chrome Alloy Steel Carbon Steel Stainless SG Iron Cast Iron Steel White Iron Steel E X C E L L E N C E T H R O U G H E X P E R I E N C E OZZ Foundries has the capability and capacity to manufacture castings in a diverse and vast range of metals to suit customer specifications. Castings can be manufactured from 500 grams to 15 tons. Skilled metallurgists select, customise and design material specifications and heat treatment programmes to suit specific products and applications. This ensures the optimisation of performance, product life, mechanical properties and ease of machining. M A T E R I A L S P E C I F I C A T I O N S AUSTENITIC MANGANESE STEELS Manganese steels have excellent toughness and work-hardening properties, attaining surface hardness values of up to 550 BHN in service. Offered in a range of application specific grades with various alloying elements. OZZ Grade Equivalent Specifications Nominal Chemical Composition (Wt. %) Applications C Mn Cr Mo Ni 841 / 845 ASTM A128 Gr A & B2 & B3 1.20 13.0 - - - Crusher and mill wear parts BS 3100 Gr BW10 SABS 407 Type 1 & 2 840 / 846 1.30 18.0 - - - Crusher wear parts - 18% Mn 843 1.35 23.0 - - - Crusher wear parts - XAlloy - 23% Mn 847 SABS 407 Type 6 1.20 18.0 2 - - Crusher wear parts - 18% Mn 2% Cr 842 GX 130 MnCr 20.3 1.30 20.0 3 - - Crusher wear parts - 20% Mn 3% Cr 849 ASTM A128 Gr D 1.00 13.0 - - 3.5 Thin sections, e.g. feeder pans, etc (as cast) SABS 407 Type 4 850 1.15 13.0 - 0.5 - 848 / 853 ASTM A128 Gr E 1.05 13.5 - 1.0 - Good impact / strength properties SABS 407 Type 5 852 1.10 18.0 - 1.0 - High strength / wear resistance HIGH CHROMIUM WHITE CAST IRONS Extremely hard Cr - carbides in a Martensitic matrix at a bulk hardness of over 600 BHN offer superior abrasion and erosion resistance in crushing and milling applications. Equivalent Specifications Nominal Chemical Composition (Wt. %) Applications OZZ Grade C Cr Mo ASTM A532 Class II Type B 505-514 BS 4844 Gr 3A 2.60 15 SABS 1338 Gr 3A ASTM A532 Class II Type D *See Impact crusher wear parts (mining, aggregate and recycling) 520-523 BS 4844 Gr 3C 2.20 20 note and mill liners SABS 1338 Gr 3C ASTM A532 Class III Type A 530-532 BS 4844 Gr 3D 2.60 27 SABS 1338 Gr 3D 533-535 BS 4844 Gr 3E 3.30 27 Hyper-eutectic for specific applications 928 SABS 1338 Gr 3E *Molybdenum specified according to microstructure and section thickness. MARTENSITIC ALLOY STEELS Various grades of Martensitic alloy steels are produced to international and custom specifications for a vast range of crushing, milling and engineering applications. Mechanical Properties OZZ Equivalent Description Applications Yield U.T.S. Impact Grade Specifications % Elong. BHN (MPa) (MPa) (J) BS 3100 Gr BT1 Alloy steel 495 (min) 690 (min) 11 (min) 35 201-279 820 - 829 BS 3100 Gr BT2 with high 585 (min) 850 (min) 8 (min)

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