Designed specifically for flanged joints in piping systems, particularly those with cast iron flanges. These have a controlled tensile range between 60 and 100 ksi .
| Element | Maximum Limit | | :--- | :--- | | | 0.30% (Typically) - Varies by diameter/manufacturer. | | Phosphorus (P) | 0.040% Max | | Sulfur (S) | 0.050% Max | astm a307 anchor bolts specifications