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Maximum value of the nominal design stress for normal operating load cases
- Cast steels$$f_d=\min\left(\cfrac{R_{p0.2/T}}{1.9}, \cfrac{R_{m/20}}{3}\right)$$- Austenitic steels, A ≥ 35%$$f_d=\max\left[\cfrac{R_{p1.0/T}}{1.5}, \min\left(\cfrac{R_{p1.0/T}}{1.2}, \cfrac{R_{m/T}}{3}\right)\right]$$- Austenitic steels, 30% ≤ A < 35%$$f_d=\cfrac{R_{p1.0/T}}{1.5}$$- Steels other than austenitic, A ≤ 30%$$f_d=\min\left(\cfrac{R_{p0.2/T}}{1.5}, \cfrac{R_{m/20}}{2.4}\right)$$
Maximum value of the nominal design stress for testing load cases
- Cast steels$$f_{test}=\cfrac{R_{p0.2/T_{test}}}{1.33}$$- Austenitic steels, A ≥ 35%$$f_{test}=\max\left(\cfrac{R_{p1.0/T_{test}}}{1.05}, \cfrac{R_{m/T_{test}}}{2}\right)$$- Austenitic steels, 30% ≤ A < 35%$$f_{test}=\cfrac{R_{p1.0/T_{test}}}{1.05}$$- Steels other than austenitic, A ≤ 30%$$f_{test}=\cfrac{R_{p0.2/T_{test}}}{1.05}$$
