ASTM A53 Pre-galvanized Steel Pipe

ASTM A53 Pre-galvanized steel pipe

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Product Details

ASTM A53 Pre-galvanized steel pipe

Section:round

Certification :ISO 9000

Sample:sample for free

Surface treatment:Galvanized

Technique:ERW

Standard: ASTM, BS, DIN, GB, JIS, ASTM A53-2007, BS 1387, DIN EN   10025, GB/T 3091-2001, JIS G3444-2006, API, ASTM, BS, DIN, GB, JIS

Grade: 10#-45#, 16Mn, A53-A369, Q195-Q345, 10#,   20#, 45#, 16Mn, A106(B,C), A53(A,B), Q195, Q215, Q235, Q345

 

Hot dip galvanized pipe is to make molten metal and iron matrix reaction and produce alloy layer, so that the matrix and the coating of both.Hot galvanizing is the first pipe pickling, in order to remove the surface of the steel pipe iron oxide, pickling, through ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank for cleaning, and then into the hot dip plating tank.Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.Complex physical and chemical reactions occur between the base of hot-dip galvanized steel tube and molten plating solution, forming a corrosion-resistant zinc-ferroalloy layer with compact structure.The alloy layer is integrated with the pure zinc layer and the steel tube matrix, so its corrosion resistance is strong

 

 

Product shipping

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FAQ

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

 


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