HardnessConversionTableChart.pdf Hardness Conversion Table Brinell Haardness (BHN) Vickers Hardness (HV) Rockwell Hardness (HRB) Rockwell Hardness (HRC) 86 90 95 100 56.2 105 110 62.3 114 120 66.7 124 130 71.2 133 140 75.0 143 150 78.7 152 160 81.7 162 170 85.0 171 180 87.1 181 190 89.5 190 200 91.5 199 210 93.5 209… Continue reading Hardness Conversion Table
View detailsCoefficientOfFrictionChart.pdf Coefficient of Friction Extreme care is needed in using friction coefficients. Please use additional independent references. For any specific application the ideal method of determining the coefficient of friction is by trials. A short table is included above the main table to illustrate how the coefficient of friction is affected by surface films. When… Continue reading Coefficient of Friction
View detailsPlasticsSelectionChart.pdf Plastics Selection Chart Common Name Properties Uses Common Forms Cost Polyester resin (Unsaturated polyester resin) Good electrical insulator, good heat resistance. Stiff, hard, brittle alone but strong and resilient when laminated. Resistant to ultraviolet light for outside use. Strongly exothermic, this can lead to cracking. Contracts on curing. GRP boats, car bodies. Chair shells. … Continue reading Plastic Selection Chart
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