30mm Thick Heat treatment Round Steel Tubes / ASTM A199 T4 T5 T7 T9 T11 T21 T22 Condenser Tube

30mm Thick Heat treatment Round Steel Tubes / ASTM A199 T4 T5 T7 T9 T11 T21 T22 Condenser Tube

Quick Detail:

Standards: ASTM A199

Main Grade: T4 T5 T9 T11 T21 T22 T91

Outside Diameter: 6mm – 350mm

Wall Thickness: 1mm-30mm

Length: 5m-25m

Description:

ASTM A199/A199M-92 Specification for Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger tubes and Condenser Tubes.The ASTM A119 pressure boiler tube is wrapped with nylon fabric then bundled with 2 steel strips in each end, and other 2 in the middle.

Main Steel Grade we supply for ASTM A199

ASTM A199 T11

ASTM A199 T22

ASTM A199 T5

Applications:

Used widely in oil, chemical industry, electricity,boiler industry of high-temperature

resistance, low temperature resistance, corrosion resistance in pipelines, etc...

Delivery Condition:

Heat treatment,Annealed, Normalized, Normalized and Tempered

Packing:?

Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
?

Inspection and Test:

Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
?

Surface treatment:

Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

Painting as requested.

Steel Grade:

* Ni 0.40 max; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0.04 max

Mechnical Properties of ASTM A199: