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metengr said:Sorry to throw cold water on lamellar tearing but the Option 2 weld joints are done quite a bit with no issues in other industries. The lamellar tearing requires a susceptible steel microstructure which included a banded structure with sulfide stringers as a preferred path for cracking. Steel cleanliness today and preferred orientation reduce the risk.
OP said:My understanding why option 2 is maybe better for full pen (I do not consider other types of weld as the full pen is what is required in my case): the stress in the weld area is spreading in the metal around. Bigger the area - less stress consentration in the joint. In option 2 overhang helps to spread the stress.