Dear All,

PQR : Code : AWS D1.1
Welding Process - FCAW ( E71T-1C )
Filler Size - 1.2mm
Material - S275JR to S275JR

For Demand Critical weld as per AWS D1.8, is there any heat Input restrictions are to be followed or not??. In our current WPS the Heat input mentioned are 0.6 to 1 kj/mm.Is this acceptable for Demand Critical weld application ??.  In AWS D1.8 - clause 6.8.1 mentioned as " The heat input range qualified by testing in accordance with Annex A. In annex A it showing a range of 1.2 to 3.1 kj/mm. Dear Experts please help .

Regards,
Jibin philip