UDDEHOLM ORVAR 2 MICRODIZED

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© UDDEHOLMS AB No part of this publication may be reproduced or transmitted for commercial purposes without permission of the copyright holder. This information is based on our present state of knowledge and is intended to provide general notes on our products and their uses. It should not therefore be construed as a warranty of specific properties of the products described or a warranty for fitness for a particular purpose. Classified according to EU Directive 1999/45/EC For further information see our “Material Safety Data Sheets”. Edition 5, 05.2013 The latest revised edition of this brochure is the English version, which is always published on our web site www.uddeholm.com 2 SS-EN ISO 9001 SS-EN ISO 14001
UDDEHOLM ORVAR 2 MICRODIZED General Uddeholm Orvar 2 Microdized is a chromiummolybdenum-vanadium-alloyed steel which is characterized by: •good resistance to abrasion at both low and high temperatures • high level of toughness and ductility • uniform and high level of machinability and polishability •good high-temperature strength and resistance to thermal fatigue •excellent through-hardening properties •very limited distortion during hardening. Typical C Si Mn Cr Mo V analysis % 0.39 1,0 0,4 5,3 1,3 0,9 Standard specification Delivery condition Colour code AISI H13, W.-Nr. 1.2344, EN X40CrMoV5-1 Soft annealed to approx. 185 HB Orange/violet Application Tools for extrusion Aluminium, Copper Stainless magnesium alloys steel Part alloys, HRC HRC HRC Dies 44–50 43–47 45–50 Backers, dieholders, liners, dummy blocks, stems 41–50 40–48 40–48 Austenitizing temperature 1020–1030°C 1040–1050°C (approx.) (1870–1885°F) (1900–1920°F) Plastic moulding applications Part Austenitizing temp. (approx.) HRC Injection moulds 1020–1030°C Compression/ (1870–1885°F) or transfer moulds 550–580°C (1020–1080°F) 48–50 Other applications Application Austenitizing temp. (approx.) HRC Severe cold punching, 1020–1030°C (1870–1885°F) scrap shears Tempering 250°C (480°F) 50–52 Hot shearing 1020–1030°C (1870–1885°F) Tempering 250°C (480°F) 50–52 or 575–600°C (1070–1110°F) 45–50 Shrink rings (e.g. for 1020–1030°C (1870–1885°F) cemented Tempering 575–620°C carbide dies) (1070–1110°F) 45–50 Wear- 1020–1030°C (1870–1885°F) In core resisting parts Tempering 575°C (1070°F) 50–52 Nitriding On surface ~1000 HV 1 For applications requiring extreme levels of toughness and ductility e.g. die casting dies, forging dies, the premium grade H13-steel, Uddeholm Orvar Supreme, is recommended. 3
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