Production Process
ASTM A 688 TP304/304L 19*0.89*22200mm
Tubes are cold rolled slowly.
ASTM A688 TP304/304LU 19*1.2*20000mm
Waiting for Bright Annealing
After bright annealing, tubes are straightened piece by piece.
BV inspector witnesses Eddy Current test to ensure that tubes are free from cracks.