WE PRODUCE ACCORDING TO THE RULES
EN 10217-7
ASTM A249/A269/A312
ASTM A 789 STANDARD FOR MANUFACTURING OF DUPLEX TUBES (AUSTENITIC-FERRITIC)
ASTM A 262 TEST FOR THE DETERMINATION OF THE INTERGRANULAR CORROSION
ASTM E 112 TEST FOR THE DETERMINATION OF THE THICKNESS OF THE AUSTENITIC GRAIN
ASTM E 213 ULTRASONIC INSPECTION TO CHECK FOR LEAKS
ASTM E 273 ULTRASONIC INSPECTION TO VERIFY THE WELD
ASME SA249/SA269/SA312
Vd TUV
ACCORDING TO THE EN 10204 STANDARDS WE PROVIDE 3.1 AND 3.2 CERTIFICATES