1. … weld deposit with good post weld heat treatment properties. S2 1NiCrMo can be used in combination with FL 851 and FL 155, both fluxes … F30, ASTM A487 Class 1N, 1Q 2N, 2Q, 4130  EN: S(P)460-S(P)555 … S2 1NiCrMo … 24598-A: S2 Z 1NiCrMo