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whiteheart malleable iron

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Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006347
EISBN: 978-1-62708-179-5
...Abstract Abstract Malleable iron, like ductile iron, possesses considerable ductility and toughness because of its combination of nodular graphite and low-carbon metallic matrix. There are two basic types of malleable iron: blackheart and whiteheart. This article focuses on the blackheart...
Book Chapter

Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001005
EISBN: 978-1-62708-161-0
... iron: blackheart and whiteheart. This article considers only the blackheart type and describes the metallurgical factors of malleable iron. It discusses the mechanical properties of pearlitic and martensitic malleable irons. The article provides additional information on the properties and heat...
Image
Published: 01 December 2008
Fig. 4 Malleable iron. (a) Sand-cast and annealed blackheart iron. Structure is a mixture of ferrite, pearlite, and irregular graphite. Ferrite content increases at the center of the casting, while pearlite occurs mainly on the edge. (b) Sand-cast and annealed whiteheart iron. This surface region More
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006309
EISBN: 978-1-62708-179-5
... to produce temper carbon involves heating a white cast iron for an extended period of time (up to about 60 h) at a temperature of 960 °C (1760 °F). Most of the malleable iron that is produced by this technique is called blackheart malleable iron, while some malleable iron (called whiteheart malleable iron...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002399
EISBN: 978-1-62708-193-1
...Abstract Abstract This article discusses the fatigue and fracture behavior of various types of cast iron, such as gray iron, ductile iron, malleable iron, compacted graphite iron, and white iron, as a function of chemical composition, matrix microstructure, and graphite morphology. cast...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006333
EISBN: 978-1-62708-179-5
.... The history of malleable iron goes back to Europe. The French scientist and metallurgist R.A.F. de Réaumur published the first technical discussions of malleable iron castings (1720 to 1722). In America, the inventor Seth Boyden introduced malleable iron ( Ref 1 ). Boyden knew of the whiteheart malleable iron...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005326
EISBN: 978-1-62708-187-0
... scientist and metallurgist R.A.F. de Réaumur published the first technical discussions of malleable iron castings (1720 to 1722). In America, the inventor Seth Boyden introduced malleable iron ( Ref 1 ). Boyden knew of the whiteheart malleable iron of Europe and foresaw a potential market...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006320
EISBN: 978-1-62708-179-5
...-casting facility (and second industrial plant) United States 1664 Flanged cast iron pipes laid at Versailles France 1709 Cast iron produced with coke as fuel, Coalbrookdale England 1715 Boring mill of cannon developed Switzerland 1722 de Reaumur develops whiteheart malleable iron...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003110
EISBN: 978-1-62708-199-3
..., pearlitic malleable, and martensitic malleable irons. There are two types of ferritic malleable iron, “blackheart,” and “whiteheart.” Only the blackheart type is produced in the United States. This material has a matrix of ferrite with interspersed nodules of temper carbon. “Cupola malleable iron...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0009206
EISBN: 978-1-62708-161-0
... of pearlite, pearlite and ferrite, or ferrite. The structure of the matrix is a function of the cooling rate after annealing. Some malleable iron is produced in Europe by decarburization of the white as-cast iron, and it is called whiteheart malleable iron. Composition and Classes of Malleable Iron...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006294
EISBN: 978-1-62708-179-5
..., including chemical composition, cooling rate, and heat treatment. The article describes some basic principles of cast iron metallurgy. It discusses the main effects of the chemical composition of ductile iron and compacted graphite (CG) iron. The composition of malleable irons must be selected in such a way...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005322
EISBN: 978-1-62708-187-0
..., pearlite. The decarburized iron made chiefly in Europe is called whiteheart ( Fig. 4 ). Fig. 4 Malleable iron. (a) Sand-cast and annealed blackheart iron. Structure is a mixture of ferrite, pearlite, and irregular graphite. Ferrite content increases at the center of the casting, while pearlite...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005903
EISBN: 978-1-62708-167-2
.... This is called white (or whiteheart) malleable cast iron (WMCI), which is known for good weldability. The chemical composition of white malleable cast iron is particularly characterized by low silicon contents in the range of 0.4 to 0.8%. Production of malleable cast iron has fallen steeply, mainly due...