Notes:

1. According to ASME B31.1:2018, Appendix A. A1 for carbon steel, A2 for low and inter. alloys, A3 for stainless steel.
2. Table for Maximum Allowable Stress Values in Tension, ksi, for Metal Temperature, °F, (Not Exceeding)
3. SMTS – Specified Minimum Tensile Strenght 
4. SMYS – Specified Minimum Yield Strenght 
5. LWJE [E] – Longitudinal Weld Joint Efficiency factor ( Table 102.4.3-1)
6. [F] – Casting Factor
7. LWSR [W] – Longitudinal Weld Strength Reduction factor (Table 102.4.7- 1)
8. WTC [y] – Wall Thickness Coefficient, valid only for cases [Do/tm >6], (Table 104.1.2-1)