ANALISIS KEKERASAN BAJA S45C HASIL HARDENING DENGAN VARIASI MEDIA PENDINGIN
Abstract
Steel has good mechanical properties compared with the other materials, that
is strength, hardness, rigidity, etc. Specially the steel hardness can be increased by
heat treatment (Hardening).
The purpose of this research is to obtain information about hardness of S45C
steel after hardening by variation of cooling media.
This research were used Ø 25 mm x 10 mm S45C steel, Hardened by
variation of cooling media and then they were tested by Rockwell Harness Test.
The result showed that the hardness of S45C steel after hardening increased
from about 15 HRC (before hardening) to 71.89 HRC (Brane quenching), 68.22
HRC (Water quenching), 64.67 HRC (Water + Soluble oil quenching) and 56.89
HRC (Oil quenching), but for the range were opposite to 3.84 HRC (Brane
quenching), 4.24 HRC ( Water quenching), 4.22 HRC (Water + Soluble oil
quenching) and 5.65 HRC (Oil quenching)
is strength, hardness, rigidity, etc. Specially the steel hardness can be increased by
heat treatment (Hardening).
The purpose of this research is to obtain information about hardness of S45C
steel after hardening by variation of cooling media.
This research were used Ø 25 mm x 10 mm S45C steel, Hardened by
variation of cooling media and then they were tested by Rockwell Harness Test.
The result showed that the hardness of S45C steel after hardening increased
from about 15 HRC (before hardening) to 71.89 HRC (Brane quenching), 68.22
HRC (Water quenching), 64.67 HRC (Water + Soluble oil quenching) and 56.89
HRC (Oil quenching), but for the range were opposite to 3.84 HRC (Brane
quenching), 4.24 HRC ( Water quenching), 4.22 HRC (Water + Soluble oil
quenching) and 5.65 HRC (Oil quenching)
Keywords
Steel,Hardness, Hardening, Cooling Media.
Full Text:
PDFReferences
J. Bradbury, 1991, Dasar Metalurgi untuk Rekayasawan, Gramedia Pustaka
Utama, Jakarta.
Herman W Pollack,1991, Material Science and Metalurgy, 4th edition, Reston
Publishing Company, Inc, Reston Virginia.
Karl-erik Thelning, 1994, Steel and Its Heat Treatment, Second edition, Buffer
worth & Co, London, Boston..
Sidney H. Avner, 1994, Introduction to Physical Metallurgy, 4th edition, MC.
Growhills Book Company, New York.
Wahid Suherman, Ir, 1990, Perlakuan Panas, Jurusan Teknik Mesin FTI-ITS,
Surabaya.
DOI: http://dx.doi.org/10.20527/infotek.v19i1.5141
DOI (PDF): http://dx.doi.org/10.20527/infotek.v19i1.5141.g4605
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