8/18/2019 Data Penghitungan

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no nama bahan data

d1 d2 Hv percobaan

Besi cor   51.77 51.97   241.7

53.25 56.59   231.9

50.7 50.51   284.5

Baja karbon   61.47 66.04   138.1

60.38 63.22   137.4

60.67 63.36   134.6

tens!ish   47.66 48.22   252.7

46.07 47.83   272

47.83 49.18   247.6

8/18/2019 Data Penghitungan

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d ave d2 ktp p hv "en#hit$n#an

51.87 0.05187 0.00269 1.8554 0.2 137.9224781861

54.92 0.05492 0.003016 1.8554 0.2 123.0287158067

50.605 0.050605 0.002561 1.8554 0.2 144.9041052431

135.2850997453

63.755 0.063755 0.004065 1.8554 0.2 91.2933298196

61.8 0.0618 0.003819 1.8554 0.2 97.1606916559

62.015 0.062015 0.003846 1.8554 0.2 96.4881660513

94.9807291756

47.94 0.04794 0.002298 1.8554 0.2 161.4624315717

46.95 0.04695 0.002204 1.8554 0.2 168.3435009487

48.505 0.048505 0.002353 1.8554 0.2 157.7228187862

162.5095837689

8/18/2019 Data Penghitungan

3/4

164.64085

135.2850997453 154.7101

94.9807291756 189.7711

Besi cor 162.5095837689 169.70735

Baja karbon

data

Besi cor %enis per!ak$an &itik 'ji

tens!ish

 &anpa per!ak$an

1.0

2.0

3.0

rata(

Baja karbon %enis per!ak$an &itik 'ji

 &anpa per!ak$an

1.0

2.0

3.0

rata(

ten!ish %enis per!ak$an &itik 'ji

 &anpa per!ak$an

1.0

2.0

3.0

rata(

Besi cor Baja karbon0

50

100

150

200

250

300

)hart &it!e

Hv *esin Hv teoritis

8/18/2019 Data Penghitungan

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d1 d2 hv mesin pen#hit$n#an

46.7 48.2 241.7 164.6

49.8 48.1 231.9 154.7

44.1 44.4 284.5 189.8

ata 252.7 169.7

d1 d2 hv mesin Hv

64.1 62.8 138.1 92.2

64.7 62.5 137.4 91.7

62.9 65.7 134+6 89.8

ata 137.8 91.2

d1 d2 hv mesin Hv46.7 47.5 252.7 167.5

44.3 46.1 272.0 181.5

47.0 47.8 247.6 165.2

ata 257.4 171.4

Hv *esin Hv teoritis

Besi cor 252.7 169.7073

Baja karbon 137.75 91.22559

Baja tahan karat 257.4333333333 171.3965

Baja tahan karat