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nodular graphite

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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
...Abstract Abstract Malleable iron possesses considerable ductility and toughness because of its combination of nodular graphite and a low-carbon metallic matrix. The desired formation of temper carbon in malleable irons has two basic requirements. First, graphite should not form during...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003765
EISBN: 978-1-62708-177-1
... graphite type V (star-like graphite). As-polished. 100× Fig. 66 As-cast ductile iron (Fe-3.45%C-2.25%Si-0.30%Mn-0.04%P-0.01%S-0.8%Ni-0.07%Mg-0.55%Cu). Nodular graphite size is 20 μm. As-polished. 100× Fig. 67 As-cast ductile iron (Fe-3.6%C-2.9%Si-0.14%Mn-0.04%P-0.02%S-0.16%Ni-0.06%Mg...
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
... considerable ductility and toughness because of its combination of nodular graphite and low-carbon metallic matrix. This article discusses melting practices such as batch cold melting and duplexing, and their control mechanisms. It schematically illustrates the microstructure of annealed ferritic malleable...
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
... 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 malleable iron and discusses the chemical composition of malleable iron. A summary of mechanical properties and specifications...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006350
EISBN: 978-1-62708-179-5
... factors for two flake gray iron specimens, a compacted iron, and a ductile iron with nodular graphite Fig. 23 Microstructure of austempered ductile iron (Fe-3.6%C-2.5%Si-0.7%Cu) austenitized at 900 °C (1650 °F) for 2 h and transformed (a) at 280 °C (535 °F) for 2 h (525 HV/54.8 HRC) and (b...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006317
EISBN: 978-1-62708-179-5
... (a) CGI, compacted graphite iron; SG, spheroidal graphite. Source: Ref 21 Chemical analysis and microstructure data of thermal conductivity specimens Table 5 Chemical analysis and microstructure data of thermal conductivity specimens Microstructure group Sample No. Nodularity...
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
... 1 Fig. 2 Eutectic points and carbon saturation contents in iron melts: (a) in the iron-carbon binary system, and (b) for a melt with 2% Si, 0.5% Mn, 0.1% S, and 0.1% P. Source: Ref 2 Fig. 6 Damping curves for cast steel, nodular cast graphite, and cast iron with lamellar...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005970
EISBN: 978-1-62708-168-9
... in the next article in this Volume). High-alloy graphitic cast irons are commonly produced in both flake graphite and nodular graphite versions, and the general types include: Austenitic gray and ductile irons High-silicon irons for heat resisting applications High-silicon irons for corrosion...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005328
EISBN: 978-1-62708-187-0
... in applications requiring corrosion resistance or strength and oxidation resistance in high-temperature service. They are commonly produced in both flake graphite and nodular graphite versions. Those alloys used in applications requiring corrosion resistance are the nickel-alloyed (13 to 36% Ni) gray and ductile...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006307
EISBN: 978-1-62708-179-5
..., compacted graphite iron; SGI, spheroidal graphite iron; ADI, austempered ductile iron Fig. 13 Simulated distribution of yield strength in a nodular graphite iron casting Fig. 7 Curve fitting of a tensile stress-strain curve for (a) lamellar graphite iron (LGI), (b) compacted graphite iron...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006312
EISBN: 978-1-62708-179-5
...Abstract Abstract Compacted graphite iron (CGI) invariably includes some nodular (spheroidal) graphite particles, giving rise to the definition of the microstructure in terms of percent nodularity. This article discusses the graphite morphology and mechanical and physical properties of CGI...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006344
EISBN: 978-1-62708-179-5
... Fatigue strength Tensile strength In air In corrosive medium MPa ksi MPa ksi MPa ksi Flake graphite iron Water 110 16 90 13 276 40 Mild steel Water 228 33 90 13 359 52 Nodular graphite iron Water 241 35 200 29 648 94 1.3Ni-0.6Cr steel Water 393 57 207...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006345
EISBN: 978-1-62708-179-5
... of surface stress. Source: Ref 20 Fig. 15 Relation between the hardness of ductile iron and the compressive yield strength at 0.2% offset. Source: Ref 23 Abstract Abstract Ductile iron, also known as nodular iron or spheroidal graphite iron, is second to gray iron in the amount...
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
...Abstract Abstract Malleable iron is a cast ferrous metal that is initially produced as white cast iron and is then heat treated to convert the carbon-containing phase from iron carbide to a nodular form of graphite called temper carbon. This article provides a discussion on the melting...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006346
EISBN: 978-1-62708-179-5
... Properties of compacted graphite iron as a function of nodularity Table 4 Properties of compacted graphite iron as a function of nodularity Nodularity, % Tensile strength Elongation, % Thermal conductivity, W/(m ⋅ K) Shrinkage, % MPa ksi 10–20 320–380 46–55 2–5 50–52 1.8–2.2 20...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006351
EISBN: 978-1-62708-179-5
... in the as-cast condition, which is slightly lower in carbon than type A. The graphite is nodular, and there is substantial cellular ledeburitic cementite, but with more retained austenite present in the matrix than in the type A as-cast specimen (probably due to a section size difference or a higher pouring...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001004
EISBN: 978-1-62708-161-0
... and compacted graphite iron explain the good castability of the latter, compared to ductile iron (ductile iron, which is also termed nodular iron or spheroidal graphite iron, is called SG iron in this article). Also the interconnected graphite provides better thermal conductivity and damping capacity than...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003111
EISBN: 978-1-62708-199-3
... Compositions of nodular-graphite (ductile) austenitic cast irons per ASTM A 439 Table 3 Compositions of nodular-graphite (ductile) austenitic cast irons per ASTM A 439 Type UNS No. Composition, % TC (a) Si Mn P Ni Cr D-2 F43000 3.00 max 1.50–3.00 0.70–1.25 0.08 max 18.0–22.0...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006330
EISBN: 978-1-62708-179-5
... solidification of compacted graphite iron. CE, carbon equivalent. Source: Ref 22 Fig. 21 Cumulative expansion during solidification of nodular graphite iron. CE, carbon equivalent. Source: Ref 22 Fig. 22 Graph showing the effect of carbon equivalent and graphite shape on the duration...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006328
EISBN: 978-1-62708-179-5
...) and machined shot-blasted (M-SB) CGI samples with 15% nodularity. Source: Ref 18 Fig. 1 Comparison of shrinkage behavior in gray, compacted, and ductile iron castings in green sand molds. Source: Ref 5 Fig. 2 Compacted graphite iron (CGI) castings are produced in series production...