Stainless Seamless Steel Tube With High Quality

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

1Structure of Seamless Pipe ASTM A106/53: 

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.


2‍‍Main Features of the Seamless Pipe ASTM A106/53:

• High manufacturing accuracy

• Good visual effect

• Reasonable price 


3Seamless Pipe ASTM A106/53 Specification



ASTM A106-2006, ASTM A53-2007


10#-45#, 16Mn

10#, 20#, 45#, 16Mn


8 - 33 mm

Section Shape


Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not



Hydraulic Pipe


Cold Drawn



Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not




Outer Diameter



20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B




1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!


4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT


5FAQ of Seamless Pipe ASTM A106/53:  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.


6‍‍Seamless Pipe ASTM A106/53 Images


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Q:What's the difference between stainless steel 304 and stainless steel 202?
Different chemical composition. 304 of the nickel is much higher than 202.
Q:Where is the difference between seamless steel pipe or welded pipe?
1., the appearance of seamless steel pipe and welded pipe difference in the welded pipe wall welded tendons, and seamless No.2. seamless pipe pressure is higher, welded pipe is generally in 10 or so MPa, now welded pipe to do seamless processing.
Q:Does stainless steel pipe belong to hardware?
Hardware refers to gold, silver, copper, iron, tin, five kinds of metal materials, carbon steel and stainless steel is iron upgrade, naturally belongs to the hardware.
Q:How much is one ton of stainless steel pipe?
Basically, each shop is not the same, each place is not the same, you can ask more about the goods than three?
Q:Stainless steel pipe welding interface leakage, how can we not leak?
After each layer of welding, it is necessary to check the defects, and never attempt to eliminate the defects with fusion welding. The defects must be polished, removed and repaired;
Q:316 stainless steel pipe wall mirror polishing, the smaller the roughness, the better.
Sanitary grade stainless steel tube and stainless steel sanitary pipe: phi 6 - 219mm * 0.5 - 5mm. The product is cold rolled by three roll tube mill and is polished inside and outside by degreasing and flat drawing. It is a seamless sanitary stainless steel pipe and stainless steel sanitary pipe finished product. The outer surface of the product is polished, the diameter and wall thickness tolerance of less than 0.02-0.05mm, the inner wall of the pipe roughness Ra is less than or equal to 0.6 m after Ra or 0.4-0.25 inner wall polishing m, sanitary stainless steel pipe and stainless steel pipe health features: inside and outside wall of polished, bright surface, very smooth, high dimensional accuracy, delivery status generally hard (micro magnetic), and widely used.
Q:Stainless steel pipe pickling ratio
Usage: used for contaminant removal of various types of stainless steel parts, sheet metal surface and its equipment rust, oxide skin, after welding of yellow blue black spot welding, a silver white metal surface cleaning, and surface passivation, corrosion resistance of stainless steel.
Q:SA-179 what kind of material is steel pipe?
SA179 corresponds to China's material is GB8163 10# seamless steel pipe.
Q:What's the difference between cold drawn steel tube and hot rolled steel tube?
Cold drawn steel tubes are produced by drawing, extruding, piercing and the like. The whole steel pipe has no seams. It's a round, square, rectangular steel with a hollow cross section without any seams. It is made of steel ingot or solid pipe blank by piercing and then made by cold casting.
Q:How can stainless steel and copper pipe be welded?
First, try the test before burning. The brass is directly burned to the stainless steel tube. First feel the heat and see what the stainless steel likes to adhere toWhen stainless steel is not red, copper is not adheredWhen stainless steel is red, do not stick copperOnly when stainless steel is red, copper paste is preferredTherefore, when welding, we must master the size of the furnace, thin and thin pipe, fire should be adjusted to small crude pipe, on the contrary, they feel the proper heat

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