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Home › Forums › General › AS1554 Questions › Welding Grade 350 to 450
TFB,
Sorry for the delayed response.
1 Yes, you will need to match or exceed the lower tensile material.
2 No, impact testing is only required if it is listed as a requirement in your fabrication code or project specifications.
3 You will need to qualify your procedures for the Chinese and Japanese materials,
Regards,
BB