Hardness Conversion

100

7

82.5

93.1

83.1

72.9

-

-

61.5

251

201

240

116

730

 

99

5

81.0

92.8

82.5

71.9

-

-

60.9

246

195

234

112

725

 

98

-

79.0

92.5

81.8

70.9

-

-

60.2

241

189

228

109

719

 

97

-

77.5

92.1

81.1

69.9

-

-

59.5

236

184

222

106

713

 

96

-

76.0

91.8

80.4

68.9

-

-

58.9

231

179

216

103

707

 

95

-

74.0

91.5

79.8

67.9

-

-

58.3

226

175

210

101

701

 

94

-

72.5

91.2

79.1

66.9

-

-

57.6

221

171

205

98

696

 

93

-

71.0

90.8

78.4

65.9

-

-

57.0

216

167

200

96

690

 

92

-

69.0

90.5

77.8

64.8

-

100

56.4

211

163

195

93

684

 

91

-

67.5

90.2

77.1

63.8

-

99.5

55.8

206

160

190

91

679

 

90

-

66.0

89.9

76.4

62.8

-

98.5

55.2

201

157

185

89

674

 

89

-

64.0

89.5

75.8

61.8

-

98.0

54.6

196

154

180

87

668

 

88

-

62.5

89.2

75.1

60.8

-

97.0

54.0

192

151

176

85

662

 

87

-

61.0

88.9

74.4

59.8

-

96.5

53.4

188

148

172

83

656

 

86

-

59.0

88.6

73.8

58.8

-

95.5

52.8

184

145

169

81

651

 

85

-

57.5

88.2

73.1

57.8

-

94.5

52.3

180

142

165

80

646

 

84

-

56.0

87.9

72.4

56.8

-

94.0

51.7

176

140

162

78

640

 

83

-

54.0

87.6

71.8

55.8

-

93.0

51.1

173

137

159

77

634

 

82

-

52.5

87.3

71.1

54.8

-

92.0

50.6

170

135

156

75

629

 

81

-

51.0

86.9

70.4

53.8

-

91.0

50.0

167

133

153

74

624

 

80

-

49.0

86.6

69.7

52.8

-

90.5

49.5

164

130

150

72

618

 

79

-

47.5

86.3

69.1

51.8

-

89.5

48.9

161

128

147

 

612

 

78

-

46.0

86.0

68.4

50.8

-

88.5

48.4

158

126

144

-

607

 

77

-

44.0

85.6

67.7

49.8

-

88.0

47.9

155

124

141

-

602

 

76

-

42.5

85.3

67.1

48.8

-

87.0

47.3

152

122

139

-

596

 

75

99.6

41.0

85.0

66.4

47.8

-

86.0

46.8

150