ASTM A194 Grade 2HM
Heavy Hex Nuts
ASTMA194 Grade 2HM is a standard material specification for high tensile nuts and other internally threaded fasteners, made from carbon steel.
Grade 2HM nuts can be produced by means of hot forging, cold forging or machining from heat treated bar stock.
ASTM A 194 Grade 2HM
Heavy Hex Nuts.
Chemical Compositions % :
Elements |
CarbonC |
ManganeseMn |
PhosphorusPh |
SulphurS |
SiliconSi |
Percentage % |
0.40 Max. |
1.00 Max. |
0.040 Max. |
0.050 Max |
0.40 Max. |
Mechanical Properties:
Size |
Brinnel Hardness BHN |
Rockwell Hardness HRB |
Rockwell Hardness HRC |
All Sizes |
159 TO 235 |
84-99 |
24- 35 |