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Mechanical properties of ASTM A194 Hex Nuts

These nuts are usually thicker and heavier than usual hex nuts DIN 934 and have higher strength and tensile. Different grades of this standard are produced following tempering and quenching procedure and therefore, Hex nuts A194 can withstand higher pressure and temperature. Since A194 nuts are often used with stud bolts, you can amass further information regarding these nuts in our stud bolt category. Mechanical properties of these nuts are available in the table below.

Hardness- Rockwell Proof load ksi Heating temperature Nominal Dia in ASTM A194 Nut Grade
159-352 150 0 °F 1/4 - 4 ASTM A194 Grade 2
C24-C38 175 850 °F - 450 °C 1/4 - 4 ASTM A194 Grade 2H
159-237 150 1150 °F - 620 °C 1/4 - 4 ASTM A194 Grade 2HM
C24-C38 175 1100 °F - 600 °C 1/4 - 4 ASTM A194 Grade 4
C24-C38 175 1100 °F - 600 °C 1/4 - 4 7
159-237 150 1150 °F - 620 °C 1/4 - 4 ASTM A194 Grade 7M
126-300 80 - 1/4 - 4 ASTM A194 Grade 8
126-300 80 - 1/4 - 4 ASTM A194 Grade 8M

Mechanical properties of ASTM A194 Hex NutsHex Nuts and Heavy Hex Nuts
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