Stainless Steel Welded Pipe ASTM A358/A316

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1、Structure of /Stainless Steel Welded Pipe ASTM A358/A312Description

    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.


 

 



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


• High manufacturing accuracy

• High strength

• Small inertia resistance



 

 



3Stainless Steel Welded Pipe ASTM A358/A312Images



Stainless Steel Welded Pipe ASTM A358/A316

Stainless Steel Welded Pipe ASTM 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.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.


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
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

 


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Q:What material is RHS in the steel tube?
RHS is a rectangular hollow section steel. The RHS structure represents a rectangular hollow section steel.
Q:Are the welded and galvanized tubes the same weight?
The same specifications of welded pipe and galvanized pipe weight is not the same, the general welding tube weight, galvanized pipe light.
Q:Outside diameter 60, thickness 3.5 seamless steel tube, how many kilograms per meter?
Steel tube Kg/m (including seamless steel tubes and welded tubes) theoretical formula per meter weight: W=0.02466 * S * (D-S)Of which: S - wall thickness (mm), D - steel tube diameter (mm), W - kg / M
Q:What is PE coated steel pipe? Seek explanation
The appearance of the native HDPE is milky white and is somewhat translucent in the narrow cross section. PE has excellent properties that are resistant to most life and industrial chemicals. Polyethylene (PE) pipe due to its unique advantages and is widely used in building water supply, drainage, underground drainage pipe, building heating, gas pipelines, electrical and telecommunications, industrial protective casing pipes, agricultural pipes etc.. The utility model is mainly used for urban water supply, urban gas supply and farmland irrigation.
Q:What is hot rolled steel pipe? What is a cold drawn steel tube?
Seamless steel pipe, hot-rolled and cold-rolled (DIAL) seamless steel pipe two categories.Hot rolled steel tubes are divided into ordinary steel tubes, low and medium pressure boiler tubes, high pressure boiler tubes, alloy steel pipes, stainless steel pipes, oil cracking pipes, geological steel pipes and other steel pipes, etc..Cold rolled seamless steel pipe (DIAL) in general, steel pipe for low and medium pressure boiler tube, high-pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, oil cracking tube and other steel tube, including carbon thin-walled steel, alloy thin-walled steel, stainless steel, thin steel tube. The outer diameter of hot-rolled seamless tube is generally greater than 32mm, the wall thickness is 2.5-75mm. The outer diameter of cold-rolled seamless steel tube can reach 6mm, the wall thickness can be up to 0.25mm, the outer diameter of thin-wall pipe can be 5mm, the wall thickness is less than 0.25mm, and cold rolling has higher precision than hot rolling dimension.
Q:DN80 seamless steel tube, what is the standard thickness?
Commonly used DN80 seamless steel pipe caliber should be 89mm*4mm.
Q:How to identify stainless steel pipe and steel pipe?
Steel pipe according to the production method can be divided into two categories: seamless steel pipe and pipe joints, pipe joints as welded steel pipe.1. seamless steel tube according to the production methods can be divided into: hot-rolled seamless pipe, cold drawn tube, precision steel tube, heat expansion tube, cold spinning tube and extrusion tube.Seamless steel tubes are made of high quality carbon or alloy steel. They are hot-rolled and cold-rolled (drawn).Bundled steel pipe2. welded steel pipe for different welding process and divided into the furnace pipe welding (ERW) pipe and automatic arc welding, because of the different forms of welding seam welded pipe and spiral welded pipe is divided into two kinds, end its shape is divided into circular welded and shaped (square, flat) pipe.
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:What is the difference between hot dip galvanized steel pipe and galvanized steel pipe?
The difference between the process is that the hot dip galvanized pipe is dipped in the molten zinc bath and the galvanized pipe is plated with a metallic surface by means of unidirectional current in the plating bath. Hot plating process is fast, the coating is thick and consumes more zinc. Ordinary galvanized slow speed, thin coating.
Q:How to make the steel pipe spray paint is not easy to fall off?
First, clean the surface of the object to be sprayed (pay attention to whether or not to paint off, which is the key):Remove rust stains, oil and so on, when spraying, the nozzle and spray the best distance is 20cm, should be two times forming, first thin spray again, dry, and then spray second times, this is more uniform, and not easy to hang

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