Table 1 Chemical composition of elements in wt% and mechanical properties of the experimental QP980 steels.
From: Factors affecting weld quality in resistance spot welding of advanced high strength steels
Element | C | Mn | Si | Ni | Cr | Mo | Cu | V | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
Uncoated | 0.216 | 1.92 | 1.44 | 0.007 | 0.003 | 0.015 | 0.002 | 0.019 | 0.017 | 0.005 | Bal |
Coated | 0.183 | 1.92 | 1.47 | 0.006 | 0.008 | 0.016 | 0.007 | 0.003 | 0.020 | 0.005 | Bal |
Yield strength (MPa) | Ultimate tensile strength (MPa) | Elongation (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Uncoated 714 | 1038 | 21 | |||||||||
Coated 715 | 1040 | 21 | |||||||||
