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ASTM DX51D Hot Dip Gi Pipe High Strength Bolt Friction Surface Corrosion

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ASTM DX51D Hot Dip Gi Pipe High Strength Bolt Friction Surface Corrosion

Country/Region	china
City & Province	wuxi jiangsu
Categories	Bolts

Product Details

High Strength Bolt Friction Surface Corrosion Hot Galvanized Steel Pipe ASTM DX51D

Detail:

High temperatures above 480 F (250 C) will accelerate peeling and continued exposure can result in the zinc-iron alloy layers cracking and separating from the steel. Temperature applications of hot-dip galvanized steel above 480 F (250 C) are not recommended.

The Hot Dip Galvanized Pipes are made using quality steel metal with a galvanized coating. These pipes are coated with additional layer of zinc by plunging the metal in a bath of molten zinc at quite a high temperature. The hot dip galvanized pipes are preferred over others as these have superior corrosion resistance.

Item	Value
Application	Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other
Alloy Or Not	Non-Alloy
Special Pipe	API Pipe, Other, EMT Pipe, Thick Wall Pipe
Standard	ASTM
Certificate	ISO9001
Grade	Hot galvanizing
Surface Treatment	galvanized
Tolerance	±1%
Processing Service	Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled	Non-oiled
Invoicing	by actual weight
Delivery Time	15-21days
Product name	Hot Dip Galvanized Steel Pipe
Material	ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C
Shape	Round.square.Rectangular
Diameter(round)	26-310mm
thickness	1.2-20mm

Mechanical performances and coating adhesiveness
Grade	Mechanical performances				Coating Adhesiveness
	Yield Strength MP	Tensile Strength MP ≥	After Breakage Percent Elongation (LO=80mm,b=20mm)% ≥		Bending Center Diameter in Following Coating Weight (g/m2)c (a=plate thickness)
			L0=80mm,b=20mm
			Under following nominal thickness mm		≤140/140	>140/140~175/175	>175/175
			≤0.7	>0.7	≤140/140	>140/140~175/175	>175/175
DC51D+Z (St01Z, St02Z, St03Z) , DC51D+ZF	-	270~500	20	22	0a	1a	2a
DC52D+Z (St04Z), DC52D+ZF	140~300	270~420	24	26
DC53D+Z (St05Z), DC53D+ZF	140~260	270~380	28	30
DC54D+Z (St06Z)	140~220	270~350	34	36
DC54D+ZF	140~220	270~350	32	34
DC56D+Z (St07Z)	120~180	270~350	38	40
DC56D+ZF	120~180	270~350	36	38

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FAQ:

1.How long can i get the feedbacks after we sent the inquiry?

We will reply you within 12 hours in working day.

2.Are you a direct manufacturer or trading company?

We have our own factory,we also have our own international sales department. we produce and sell all by ourselves.

3.How to guarantee the quality of your goods?

We will do the inspection after every process.for the finished products,we will do 100% inspection according to the customers’ requirements and the international standard.

4.What’s the payment term?

When we quote for you,we will confirm with you the way of transaction,fob,cif,cnf,etc. for mass production goods, you need to pay 30% deposit before producing and70% balance against copy of documents.the most common way is by t/t. l/c is also acceptable.