| Specification | Material | Nominal Size in. | Proof Load Stress ksi | Tensile Strength Min Ksi | Hardness Rockwell | |
| Min | Max | |||||
| SAE J429 – Grade 1 | Low or Medium Carbon Steel | 1/4 thru 1 1/2 | 33 | 60 | B70 | B100 |
| SAE J429 – Grade 2 | 1/4 thru 3/4 over 3/4 thru 1 1/2 | 55 33 |
74 60 |
B80 B70 |
B100 B100 |
|
| ASTM A307 – Grade A | 1/4 thru 4 | – | 60 | B69 | B100 | |
| ASTM A307 – Grade B | 1/4 thru 4 | – | 60 min 100 max |
B69 | B95 | |
| SAE J429 – Grade 5 ASTM A449 – Type 1 |
Medium Carbon Steel, Quenched and Tempered | 1/4 thru 1 over 1 thur 1 1/2 |
85 74 |
120 105 |
C25 C19 |
C34 C30 |
| ASTM A449 – Type 1 | over 1 1/2 thru 3 | 55 | 90 | 183 | 235 | |
| SAE J429 – Grade 5.1 | Low or Medium Carbon Steel, Quenched and Tempered | No. 6 thru 1/2 | 85 | 120 | C25 | C40 |
| SAE J429 – Grade 5.2 | Low Carbon Martensite Steel, Quenched and Tempered | 1/4 thru 1 | 85 | 120 | C26 | C36 |
| ASTM A449 – Type 2 | C24 | C34 | ||||
| F3125 ASTM A325 – Type 1 | Medium Carbon Steel, Quenched and Tempered | 1/2 thru to 1 1/2 | 85 | 120 | C24 | C35 |
| F3125 ASTM A325 – Type 2 | Low Carbon Martensite Steel, Quenched and Tempered | |||||
| F3125 ASTM A325 – Type 3 | Atmospheric Corrosion Resistant Steel, Quenched and Tempered | |||||
| ASTM A354 – Grade BC | Medium Carbon Alloy Steel, Quenched and Tempered | 1/4 thru 2 1/2 over 2 1/2 thru 4 |
105 95 |
125 115 |
C26 C22 |
C36 C33 |
| SAE J429 – Grade 8 | Medium Carbon Alloy Steel, Quenched and Tempered | 1/4 thru 1 1/2 | 120 | 150 | C33 | C39 |
| ASTM A354 – Grade BD | 1/4 thru 1 1/2 over 2 1/2 thru 4 |
120 105 |
150 140 |
C33 C31 |
C39 C39 |
|
| SAE J429 – Grade 8 .2 | Low Carbon Martensite Steel, Quenched and Tempered | 1/4 thru 1 | 120 | 150 | C33 | C39 |
| F3125 ASTM A490 – Type 1 | Medium Carbon Steel, Quenched and Tempered | 1/2 thru 1 1/2 | 120 | 150 min 170 max |
C33 | C38 |
| F3125 ASTM A490 – Type 2 | Low Carbon Martensite Steel, Quenched and Tempered | 1/2 thru 1 | 120 | 150 min 170 max |
C33 | C38 |
| F3125 ASTM A490 – Type 3 | Atmospheric Corrosion Resistant Steel, Quenched and Tempered | 1/2 thru 1 1/2 | 120 | 150 min 170 max |
C33 | C38 |
