1 / 4 Inch Sch40 ASTM A789 F53 Annealed & Pickeled Duplex Steel
ASTM A790 2507 duplex steel pickling tube are always purchased by the clients who need high corrosion tubes .
Compared to stainless steel tubes , duplex steel tubes have more
higher corrosion ability . They can be used in sea industry .
Material Grade S32205 , S31803 , S32304 , S32750, F51 , F53 , 2205 , 2507 etc
Outer Diameter 5.80mm - 323.90mm (0.23" to 12")
Wall Thickness 0.71mm - 25.4mm (0.04" to 1")
Length as per customer’s requirement
Standard ASTM A789 ; ASTM A790 ; EN 10216-5etc.
1 . NTD ( Ultrasonic test , Eddy Current test )
2 . Mechanical Test ( Tension Test , Flaring Test , Flattening
Test , Hardness Test , Hydraulic test )
3 . Metal Test ( Metallographic Analysis , Impact
Test-High/low temperature )
4 . Chemical Analysis ( Photoelectric Emission Spectroscopic )