Stainless Steel Welded Pipe ASTM A312/A358/A316

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1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A316 Description

    Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings


 

 



2Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A316



• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability


 

 



3Stainless Steel Welded Pipe ASTM A358/A312/A316 Images




 

Stainless Steel Welded Pipe ASTM A312/A358/A316

Stainless Steel Welded Pipe ASTM A312/A358/A316


 


 

 

 

4Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification

Size 

 

Outside   diameter          Outside                                                                           Thickness
SCH 5SSCH 10SSCH 20SSCH 40S
(A)(B)mmmmmmmmmm
35014′355.63.964.787.9211.13
40016′406.44.194.787.9212.7
45018′457.24.194.787.9214.27
50020′5084.785.549.5315.09
55022′558.84.785.549.5315.09
60024′609.65.546.359.5317.48
65026′660.45.547.9212.717.48
70028′711.25.547.9212.717.48
75030′7626.357.9212.717.48
80032′812.8 7.912.717.48
85034863.6 7.9212.717.48
90036′914.4 7.9212.719.05
100040′1016 9.53  

 

 

Tolerances on dimensions table 

 

StandardOutside(mm)Thickness(mm)Length(mm)
ASTM A312≤48.26-0.4+No special provisions(Unspecified)-12.50%Appoint   LengthDefinite cut length+6.40
48.26~114.3000
114.30~219.080.8 
219.08~457.201.6 
457~660-4 
660~864-5 
 864~1219-5.6 
JIS G345930.00   ±0.30≥30.00 ±1.00%2.00   ±0.20≥2.00 ±10%Appoint   LengthDefinite cut Length
GB/T 1277113.00   ±0.2013.00~40.00 ±0.30≥40.00 ±0.80%≤4.00 +0.50   -0.604.00 ±10%20
EN 10217-7D1±1.50%   with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min)T1±15.00%   with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min)≤6000 +5.00   -06000~12000 +10.00 -0
D4±0.5%   with±0.10mm(min)T4±7.50%   with±0.15mm(min)
 T5±5.00%   with±0.10mm(min)
 EN ISO 1127


 

 

5FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778 



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.
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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

Why should you chose us?
     Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust


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Q:Seamless steel pipe and welded pipe what is the difference?
The welded pipe is made directly from the stainless steel band by machine, and it is made of round steel or perforated by Guan Pi
Q:Fastener type steel pipe scaffold steel pipe wall thickness
According to the "construction of fastener type steel pipe scaffold safety technical specifications JGJ130-2011" stipulates that the specification of steel pipe should be Phi 48.3 * 3.6, that is, wall thickness is 3.6mm. The standards in Shanghai are in line with national standards and 3.25mm can be used.Shelf tubes commonly used specifications, sizes are generally 48.3x3.0, 48.3x3.25, 48.3x3.5.
Q:What is the difference between steel pipe and round steel?
Making ring parts with steel tubes can improve data application rate, simplify manufacturing process, save data and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipe manufacture.
Q:What is hot rolled steel pipe? What is a cold drawn steel tube?
General use seamless steel tube: is with 10, 20, 30, 35, 45# and other high-quality carbon steel, 16Mn, 5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot-rolled or cold rolled. Seamless tubes made of low carbon steel, such as 10, 20, are mainly used for fluid delivery pipelines. 45. Seamless tubes made of medium carbon steel such as 40Cr, used for the manufacture of mechanical parts, such as parts of automobiles and tractors. General use of seamless steel pipe to ensure the strength and flattening test. Hot rolled steel tubes are delivered in hot rolling or heat treated conditions. Cold rolled in heat treated state.
Q:Is the PVC tube a plastic tube or a plastic tube?.
Or polymer polymerized by radical polymerization under the action of light and heat. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins. The material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
Q:Why seamless steel pipe called seamless steel pipe?
Steel pipe is divided into seamless steel pipe and welded steel pipe two kinds: seamless steel pipe is ingot or tube billet, through the perforation made capillary, and then by hot rolling, cold rolling or cold drawn made, so seamless steel pipe is divided into hot-rolled and cold drawn two categories. Welded steel pipe is through the steel plate or steel strip after bending forming, and then welded to make, according to the form of weld is divided into longitudinal welded pipe and spiral welded pipe two kinds. It is obvious that seamless welded pipe has no weld and that welded steel pipe has weld line.
Q:Where is the difference between seamless steel pipe and welded pipe
Seamless steel tube is formed during rolling. Welded steel pipes need to be welded after coiling, and spiral welding and direct welding are generally used. Seamless performance is better, of course, the price is higher.
Q:How many meters per ton of steel tube?
General scaffolding tube diameter 40mm, specifications specify wall thickness of 3.5mm, the actual wall thickness of 3.2 - 3.4mm.The theoretical weight per meter is 3.85kg and the wall thickness is 3mm.Hence a ton of steel is about 260m.
Q:RC is it welded steel pipe or galvanized steel pipe?
Common pipelines in construction are as follows:SC: welded steel pipeTC: wire tubes, thin steel tubesPC: rigid plastic pipesCT: cable trayCP: metal hoseSR: steel grooveRC: water gas pipe
Q:What is the weight of hot galvanized steel tubes? DN150 4mm wall thickness
DN150 4mm wall thickness welded steel pipe theoretical weight is 16.21kg/m, galvanized steel pipe should be multiplied by the weight coefficient after galvanizing, C, DN150, wall thickness of 4mm, C=1.032, DN150, theoretical weight and wall thickness of 4mm galvanized steel is 1.02*16.21=16.7287kg/m = 16.73kg/m.

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