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Table 1 Chemical composition of Q&P980 and SPCC steel (mass fraction, %)

From: Effects of Cover Sheets on the Nugget Growth and Fracture Behavior of Resistance Spot Welded Q&P980 Steel Joints

Material Mn Si C Al S P Fe
Q&P980
SPCC
2.248
0.024
1.774
0.1792
0.045
0.0418
0.034
0.0002
0.01
0.0075
0.01
Bal.
Bal.