# 112667_lampiran hardness.docx

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Tabel perbandingan kekerasan dan kekuatan material No spesimen kekerasan(BHN) Kekuatan(Mpa) 1 Tanpa perlakuan 377 1300.65 2 Normalizing 332 1145.4 3 Hardening 493 1700.85 Perhitungan konversi VHN ke BHN Spesimen Normalizing 350.63-345 = x-327 354-345 336-327 5.63 = x-327 9 9 x = 332.63 Specimen tanpa perlakuan 400.64-354 = x-336 498-354 464-336 46.64 = x-336 144 128 x = 337.46 Konversi kekerasan ke kekuatan 1.Tanpa perlakuan 020040060080010001200140016001800Tanpa perlakuanNormalizingHardening perbandingan kekerasan dan kekuatan material kekerasan(BHN)Kekuatan(Mpa)  377 BHN X 3.45 = 1300.65 Mpa 2.Normalizing 332 BHN X 3.45 = 1145.4 Mpa 3. Hardening 493 HBN X 3.45 =1700.85 Mpa
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