AiSi ASTM A554 A312 SS 304 316L зеркальная полированная квадратная круглая бесшовная сварная труба из нержавеющей


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Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-18-2025 0.96 $* 0.45 $*
Aug-18-2025 0.71 $* 0.87 $*
Jul-18-2025 0.17 $* 0.58 $*
Jun-18-2025 0.40 $* 0.34 $*
May-18-2025 0.77 $* 0.86 $*
Apr-18-2025 0.88 $* 0.21 $*
Mar-18-2025 0.23 $* 0.17 $*
Feb-18-2025 0.65 $* 0.38 $*
Jan-18-2025 0.67 $* 0.61 $*

Характеристики



Product Description


 YOUFA PIPE CATALOGUE


Product Description










































































Name:



AiSi ASTM A554 A312 SS 304  316L Mirror Polished Tube Square Round Seamless Welded Stainless Steel Pipe



Out diameter:



21mm-1016mm or customized



Thickness:



0.5-20mm or customized



Material Grade:



304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202



Standard:



ASTM,AISI,JIS,SUS,GB,DIN,EN,etc.


ASTM A312,ASTM A358,ASTM A790,ASTM A270,ASTM A554,JIS G3459,JIS G3468,JIS G3446,JIS G3448,EN10217,EN10312



Tolerance:



a) Outer Diameter: +/- 0.2mm



 



b) Thickness: +/- 0.02mm



 



c) Length: +/- 5mm



Width:



Outer Diameter,9mm--1016mm



Length:



6m or as required



Items:



Square tubes, round tubes, oval pipes, special shaped pipes



Surface:



No.1, 2D, 2B, BA, No.3, No.4, No.240, No.320, No.400, HL, No.7, No.8,Embossed



Application:



Firefighting, water supply, construction industry, municipal engineering and petrochemical



Payment Terms:



1) 30% T/T in advance and balance money against the B/L Copy



2) L/C at sight



Packing:



Bundled wooden box or bag(According to customer's requirement)



Production Time:



20-30 days after received your deposit, or according the quantity



Product Show


Welded Stainless Steel Pipe/Stainless Steel Tube



























































































































































 ⅠseriesⅡseriesEurope Standard
DNOut diameterThicknessOut diameterThicknessOut diameterThickness
DN15160.815.90.8181
DN20201.0 22.21.0 221.2
DN2525.41.0 28.61.0 281.2
DN32321.2341.2351.5
DN40401.242.71.2421.5
DN5050.81.248.61.2541.5
DN6063.51.563.51.563.51.5
DN6576.12.0 76.12.0 76.12.0 
DN8088.92.0 88.92.0 88.92.0 
DN100101.62.0 1082.0 1082.0 
DN1251332.51332.51332.5
DN1501592.51592.51592.5
DN2002193.0 2193.0 2193.0 
DN2502734.0 2734.0 2734.0 
DN3003254.0 3254.0 3254.0 

 


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Production Process


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Our Company


 


Company profile  (3)


  Tianjin Youfa steel pipe group co., LTD. Is a collection of ERW pipe, hot dip galvanized steel pipe, rectangular pipe, plastic coated composite pipe, spiral welded pipe, stainless steel pipe,scaffolding system and other products production and sales in the integration of large enterprise groups, with "Youfa" and "zhengjinyuan" two brands.


  It has formed five production bases in Tianjin, Tangshan, Handan, Hancheng, Shaanxi and Liyang, Jiangsu. It has 10 steel pipe production enterprises with more than 200 production lines, and has 4 national accredited laboratories, 1 Tianjin Welding Steel Tube Technology Engineering Center and 2 Tianjin Enterprise Technology Center.


  Products can be used in industry, construction and other fields.Products exported to North America, South America, Europe, Africa, Oceania, the Middle East, Southeast Asia and other more than 100 countries and regions.


  Since 2006, it has been listed among the top 500 enterprises in China and the top 500 manufacturing enterprises in China for 15 consecutive years.


  In December 2020, Youfa Group was successfully listed on the main board of the Shanghai Stock Exchange.


Our products have been manufactured according to API, ASTM, EN, BS, ISO, DIN and JIS internationally advanced standards, and also approved by the third party. Paying attention to the quality of products and services, possessing normative QAS, we have acquired certificates of API5L/5CT, ISO9001 and EN10219.


Based on the high quality and considerate service, our products have set up a prominent brand image in markets at home and abroad.


 


Exhibition


 


 exhibition 2


 


Our advantage


 


1. 100% after-sales quality and quantity assurance.


2. Professional sales manager quickly reply within 24 hours.


3. Large Stock for regular sizes.


4. Free sample 20cm high quality.


5. Strong produce capability and capital flow.


Packing & Delivery


1. Standard seaworthy export packing, wooden pallets with plastics protection .


2. 15-20MT can be loaded into 20'container and 25-27MT is more suitable in 40'container.


3. The other packing can be made based on the customer requirement;


4. Normally, we have four layers of packing: wooden pallets, hardboard, Kraft paper and plastic.


And fill more desiccants into package.


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Why choose us?


1. Experience: 20 years focus on quality,
2. Strength: The company that can produce 10 million tons welded pipe exclusively in the world. More than 12,600,000 tons and 190,000 tons (Annual production and export volume)
3. Professional teams slove all kinds of your problems,
4. Service: 24 hours services quickly reply during the whole business process and after business,
5. Quality: Reliable and World certified. We have two national CNAS certified laboratories, and cooperated with many big steel plate factories and retesting of raw materials, 
6. any size could be customized as per your required,
7. BV,ISO,SGS Certification,
8. free sample,
9. Delivery: Own factory in TianJin! We are near Tianjin port, also have own transport fleet, have the most convenient transport and prompt delivery,
10. OEM  


 


FAQ


Q: Are you trading company or manufacturer ?


 A: We are factory.


Q: How long is your delivery time? 


A: Generally it is 5-10 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ? 


A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: What is your terms of payment ? 


A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us.


 


 


 




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