presentasi besi cor

PENGETAHUAN BAHAN TEKNIK

Kelompok 1R. Arief Firmansyah F14080005 Dea Permata S F14080083Oryza Sativa F14080047 Bintarjo Agus P F14080089Edo Vernando F14080062 Rizqi Muhammad T F14080102Nufzatussalimah F14080079 Fuad Insan M F14080125Derry Riskawati F14080081

Bogor, 25 November 2009

Besi Cor

Besi Cor:

Besi Paduan Unsur Pokok (Fe & C) Unsur Tambahan (Si, Mn, P & S) Besi cor dipadatkan membentuk tipe kubik (body-centered cubic lattice)

K

A

N

D

U

N

G

A

N

A

T

O

M

&

I

K

A

T

A

N

Struktur mikro

Pearlite

FerriteGraphite

Pearlite

F e r r i t e

Graphite

Proses Pembuatan Besi Cor

TAHAPAN PEMBUATAN

InokulasiPencairan

Material Treatment

Desulfurisasi

Penuangan

KLASIFIKASI BESI COR

Besi Cor Putih

(ledeburit + perlit)Besi Cor Meliert

(Ledeburit+perlit+grafit)Besi Cor Kelabu

(struktur perlit +ferit+ ledeburit+carbon)

Tabel Klasifikasi Besi Cor

Sifat Mekanik

Sifat Fisik

Sifat Kimia

Sifat mekanik

Elastisitas Batas Mulur Kekuatan Tarik ElongationTahan Aus

Comparative qualities of cast irons[1]  

Name Nominal composition

[% by weight]

Form and condition

Yield strength [ksi (0.2%

offset)]

Tensile strength [ksi]

Elongation [% (in 2 inches)]

Hardness [Brinell scale]

Grey cast iron (ASTM A48)

C 3.4, Si 1.8, Mn 0.5

Cast — 25 to 60 0.5 180

White cast iron C 3.4, Si 0.7, Mn 0.6

Cast (as cast) — 25 0 450

Malleable iron (ASTM A47)

C 2.5, Si 1.0, Mn 0.55

Cast (annealed)

33 52 12 130

Ductile or nodular iron

C 3.4, P 0.1, Mn 0.4, Ni 1.0, Mg 0.06

Cast 53 70 18 170

Ductile or nodular iron

(ASTM A339)

— cast (quench tempered)

108 135 5 310

Ni-hard type 2 C 2.7, Si 0.6, Mn 0.5, Ni 4.5, Cr 2.0

Sand-cast — 55 — 550

Ni-resist type 2 C 3.0, Si 2.0, Mn 1.0, Ni 20.0, Cr 2.5

Cast — 27 2 140

Sifat Mekanik Besi Cor

Sifat Fisik

Machinability

Weldability

SIFAT KIMIA

Korosi

Pelapukan

Aplikasi besi corRantai

Puli

Mur

Baut

Pada silinder Blok

Roda Gigi

Velg Roda

suspension arm

Aplikasi Besi Cor

Standardisasi dan pengkodeanGrey Cast Iron

Meehanite Main Spec. GM400 GA350 GC275 GE200 GF150

Ref Spec. GM400 GA350 GB300 GC275 GD250 GE225 GE200 GF150

Taiwan CNS G3038 FC350 FC300 FC250 FC200 FC150

China GB 9439 HT350 HT300 HT250 HT200 HT150

japan JIS G5501 FC350 FC300 FC250 FC200 FC150

USAASTM A48M

400 A,B,C,D

350A,B,C,D

300/325A,B,C,D

275A,B,C,D

250A,B,C,D

255A,B,C,D

200A,B,C,D

150/175A,B,C,D

SAE J431B G4000 G3500 G3000 G2500 G1800

Europe

UK BS

En1561 EN-GJS-350EN-GJS-

300EN-GJL-

250EN-GJL-

200EN-GJL-100Germany DIN

France NF

ISO 185 350 300 250 200 150

Ductile Cast IronMeehanite Main Spec. SFF350 SF400 SP600 SH700 SH800

Ref Spec. SFF350 SFF400 SF400 SF420 SFP500 SPF600 SP700 SH800

Taiwan CNS G2118 FCD350 FCD400 FCD450 FCD500 FCD600 FCD700 FCD800

China GB 1348 QT400-18 QT400-15 QT450-10 QT500-7 QT600-3 QT700-2 QT800-2

Japan JIS G5502FCD350-

22FCD400-

18FCD400-

15FCD450-

10FCD500-7 FCD600-3 FCD700-2 FCD800-2

USAASTM A536 60-40-18 60-45-12 70-50-05 800-55-06 100-70-3 120-90-2

SAE J434C D4018 D4512 D5506 D7003 DQ-T

Europe

UK BS

En1563EN-GJS-350-22

EN-GJS-400-18

EN-GJS-400-15

EN-GJS-400-10

EN-GJS-500-7

EN-GJS-600-3

EN-GJS-700-2

EN-GJS-800-2

Germany DIN

France NF

ISO 1083 350-22 400-18 400-15 450-10 500-7 600-3 700-2 800-2

Terima Kasih

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