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ASTM A193 Alloy Steel Stud Bolt Set
| Specification | Material | Nominal Size (In.) | Mechanical Properties | ||||||
| Minimum Tempering Temperature °F |
Elongation in 4D, min, % |
Yield Strength, min, 0.2 % offset, ksi |
Tensile Strength, min, ksi |
Reduction of Area, min, % |
Hardness, max |
Finish Treatment |
|||
| ASTM A193 Grade B7 |
AISI 4140, 4142, 4105 | 1/2 to 2-1/2 | 1100 | 16 | 105 | 125 | 50 | 321HB or 35HRC |
Black Oxide Zinc Plated Nickel Plated Phosphated HDG Dacromet Cadmium Plated PTFE(Teflon) |
| 2-1/2 to 4 | 95 | 115 | |||||||
| ASTM A193 Grade B7M |
AISI 4140, 4142, 4105 | 1/2 to 4 | 1150 | 18 | 80 | 100 | 235HB or 99HRB | ||
| ASTM A193 Grade B16 |
CrMoVa Alloy Steel | 1/2 to 2-1/2 | 1200 | 18 | 105 | 125 | 50 | 321HB or 35HRC | |
| 2-1/2 to 4 | 17 | 95 | 110 | 45 | |||||
| Specification | Material | Nominal Size (In.) | Minimum Tempering Temperature °F |
Proof Load Stress (ksi) | Hardness Rockwell | Nut Type | |||
| Min | Max | ||||||||
| ASTM A194 Grade 2H | Medium Carbon Steel, Quenched and Tempered | 1/2 to 4 | 850 | 175 | C24 | C35 | Heavy hex nut Hex thin nut Hex nut |
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| ASTM A194 Grade 2HM | Medium Carbon Steel, Quenched and Tempered | 1/2 to 4 | 1150 | 150 | 159 | 235 | |||
| ASTM A194 Grade 4 | Medium Carbon Alloy Steel, Quenched and Tempered | 1/2 to 4 | 1100 | 175 | C24 | C35 | |||
| ASTM A194 Grade 7 | Medium Carbon Alloy Steel, Quenched and Tempered | 1/2 to 4 | 1100 | 175 | C24 | C35 | |||
| ASTM A194 Grade 7M | Medium Carbon Alloy Steel, Quenched and Tempered | 1/2 to 4 | 1150 | 150 | 159 | 235 | |||
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