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Hardness Conversion Chart
 
Brinell
Hardness
Rockwell
B-Scale
Approximate
Tensile (lbs/PSI)
217
96
103
112
96
103
207
95
101
202
94
98
197
93
96
192
92
93
187
91
91
183
90
89
179
89
87
174
88
85
170
87
83
166
86
81
163
85
80
159
84
78
156
83
77
153
82
76
149
81
75
146
80
74
143
79
73
140
78
71
137
77
70
134
76
69
131
74
67
128
73
66
126
72
65
124
71
63
121
70
62
118
69
61
116
68
60
114
67
59
112
66
58
109
65
57
107
64
55



Zero Products, Inc.

219 Baywood
Houston, TX 77011
Toll Free: 800-991-1280
Fax: 713-675-6066
Local: 713.675.0123

Bolts | Nuts | Washers | Screws | Socket Screws | Coating & Plating | Stud & Bent Bolts | Line Sheet