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304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard

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304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard

China 304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard supplier
304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard supplier 304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard supplier 304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard supplier

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Product Details:

Place of Origin: CHINA
Brand Name: zheheng
Certification: ISO9001 PED
Model Number: 8"*sch10s

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: In bundles with waterproof material,or wooden crate packing
Delivery Time: 30 DAYS
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 100TONS/30DAYS
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Detailed Product Description
Type: Welded Standard: Astm A554
Ens: Plain Ends Technique: ERW
Application: Chemical Plant Material: Stainless Steel

astm a554 304 stainless steel welded tube pipes hs code / pressure rating

 

We are professional manufacturer of all types of 304 stainless steel welded tube,ASTM a554 welded stainless steel pipe with more than 25 years of experience. The pipes are widely used in many industries: gas hose, water hose, and wire&cable protection circuit, etc..Our main market is South America, Southeast Asia, Middle east, South Korea, India,etc. Best quality, reasonable price and professional service will be your best choice.

 

Stainless steel welded pipe HS code.

 

73064000: require no more than 406 outside diameter.
73062100: stainless steel seam drilling for oil and natural gas use jacket, catheter, tax refund 13 points, needs inspection.
The custom code is HS code, abbreviation for coding coordination system.It is called the International Convention for Harmonized Commodity Description and Coding System (HS).

 

HS Code 

 

HHS is officially implemented, and it is revised every four years. There are more than 200 countries in the world using HS, and over 98% of all goods in global trade are classified by HS.The overall structure of HS consists of three parts: classification rules;Class, chapter and subcategory comments;The sequential order of items and subvisual codes and provisions.These three parts are the legal rules of HS, which have strict legal effect and strict logic.HS first lists six general rules, which stipulates the classification principles and methods that must be followed when using HS to classify products.Many classes and HS chapter in the beginning there are listed in the comments (note, note or Buddhism comments), strictly defined in the class or commodity scope, in this chapter expound the definition of the term in the HS or distinguish some technical standards of commodity and boundaries.

 

Stainless steel pipe pressure 

 

the main two aspects should be considered, on the one hand, the formation of the pipe itself, it is welded steel pipe or seamless steel pipe, welded steel pipe can only withstand low voltage (1.6 MPa, 16 kilograms), high pressure can only be considered if seamless steel tube;On the other hand, it is necessary to consider the wall thickness of the steel pipe itself. The larger the wall thickness, the better the pressure, and the specific pressure test can be carried out.

our production range in below:

 
Standard ASTM, GB, JIS, DIN, EN, AISI
Material Grade TP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S
TP410 TP410S TP403
S31803/S32205 S32750 S32760
Outer Diameter Seamless Pipe: 4mm-914.4mm
Welded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm),
Thickness Seamless Pipe: 0.6mm - 60mm
Welded Pipe: single slit(0.5mm-25mm);girth(3mm-45mm)
Length 5.8-6.1 m or as customers' request
Tolerance Acording to the Standard.
Surface 180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
Application Petrochemical industry, chemical fertilizer industry, oil refining industry, oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.
Test UT, ET, HT, RT,ect, and others according to the standard,or as the requests of the customers

 

How to calculate the pressure of stainless steel welded pipe?
Stainless steel pipe acceptable pressure P=(2*σ/S*δ)/D.
Meanwhile, the pressure is P, the tensile strength is the same, S is the safety factor, the wall thickness is delta, and the outer diameter of the stainless steel pipe is D.
Here's an example:
Is the DN=10MM, the wall thickness is 3mm, and the maximum acceptable pressure of seamless steel welded pipe?
The tensile strength of the data is as follows, the pressure is P, and the external diameter of the welded pipe is D;
Pipe wall thickness (P*D)/(2* S /S)
Where S is the safety factor;
Because P is less than 7MPa,S is equal to 8;P is less than 17.5MPa,S is equal to 6;P is greater than 17.5MPa,S is equal to 4;
The safety factor is S=6;Choose 20 steel tensile strength of 410MPa,
Therefore, the acceptable pressure of the welded pipe is P=(2*σ/S*δ)/D
410/6 = (2 * * 3)/(1 + 6)
Set = 26.25 MPa > 17.5 MPa
So the safety factor is S=4.
Therefore, the acceptable pressure of the stainless steel pipe is P=(2*σ/S*δ)/D
= (2 * 410/4 * 3)/(1 + 6)
= 39.375 MPa

product show:

304 Stainless Steel Welded Tube Hs Code / Pressure Rating Astm A554 Standard

 

Contact Details
Wenzhou Zheheng Steel Industry Co.,Ltd

Contact Person: sales

Tel: +8615858820108

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