[MW:29753] A335 P11 can be used instead of P22

Dear all,

We have a situation that we need to weld cap (material P11) to weldolet with P22 material. Size 2" NPS. Line temp is 560C and pressure 48bar. The rating of the main header is 1500# P22 mtl. Can we weld to the following conditions P11 mtl cap to weldolet P22 mtl.

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