BSP Union but weld ends flat

Quality
316
Size Quality Weight (kg)
1/4" 316 0,102
3/8" 316 0,108
1/2" 316 0,138
3/4" 316 0,206
1" 316 0,318
1.1/4" 316 0,428
1.1/2" 316 0,602
2" 316 0,690
2.1/2" 316 1,573
3" 316 1,914
4" 316 3,287