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Gas System Wholesale ASTM A312 A270 Indoor/Outdoor 6 Inch 304 304L 316 316L Welded Stainless Steel Seamless Rectangular Pipe

1 ton
MOQ
Gas System Wholesale ASTM A312 A270 Indoor/Outdoor 6 Inch 304 304L 316 316L Welded Stainless Steel Seamless Rectangular Pipe
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Caracteristicas
Especificaciones
Standard: GB, JIS ASTM GB EN AISI
Model Number: 202/304/316/410
Type: Welded
Steel Grade: stainless steel 304, 301L, 301, 410, 321, 347, 304, 444, 200 300 400 series
Application: indoor/outdoor gas system
Welding Line Type: ERW
Tolerance: ±1%, ±1%
Processing Service: Bending, Welding, Decoiling, Punching, Cutting, Moulding
Grade: 300 Series
Section Shape: rectangular
Alloy Or Not: Non-Alloy
Surface Finish: 2B
Invoicing: by actual weight
Delivery Time: 8-14 days
Product name: Stainless Steel Rectangular/ Square Pipe
Material: Stainless Steel
Width: Customize
Length: Customize
Thickness: Customize
Surface Treatment: BA/No.1/No.4/2B/2D/8K
MOQ: 1 Ton
Información básica
Model Number: 202/304/316/410
Pago y Envío Términos
Packaging Details: Standard shipping packing method
Supply Ability: 5000 Ton/Tons per Month
Descripción de producto
Welcome to our store,
if you have doubts click ask 24 hours online customer service
Product Paramenters
Standard
ASTM A554,ASTM A312,ASTM A249,ASTM A790,ASTM A688, ASTM A269,ASTM A268, JIS G3463-2006,ASTM A651
Grade
201,202,304,316,316L, 409L,430,410, 444,445J2,44660,S31803,S32750
Size Range
OD:6.35mm-160mm WT:0.15mm-3mm
Certification
ISO9001:2008,TUV,SGS
Tolerance
a) Outer Diameter: +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
Surface
180G, 320G, Satin,400G, 600G ,2B,BA
Application
Power station, cooling tower, underfloor heating ,heat recovery system, especially high Chloride seawater heat exchanger.
Test
Raw material checking, extended test, Hydraulic test, crystal rot test, Pneumatic test , Eddy Current test, TX-ray test. Tension test
Production equipment
W+O forming, welding seam tracking, multi-cathode TIG welding, molten pool electromagnetic stirring technology, endoscope welding
with monitoring, online welding with inside and outside rolling, online annealing, micron grade laser calipering, encoder-based
high-precision sizing, internal polishing.
Packing
Standard export, in bulk / bundles / nylon fabric bags with seaworthy packing;
or according to customers' requestments.
Manufacturing Technique
Usage Scenario
Product packaging
FAQ
1. What is your major market?
95% of our tubes export. We mainly sell to Europe and Latin America.
We sell to the countries like Russia,Poland, UK,Columbia,Canada,etc..

2. What is your location?
We are located in Jinan, a beautiful city in Shandong Province of China
Our new workshop is located Liaocheng City.

3.What's the annual output?
produce more than 25000 tons stainless steel tubes in a year.

4. How about the quality of your pipes
Our tubes can get fully welding and smoonth inner welding, without blisters,
leak welding or black line. All of our tube are good for tube bending.

5. How do you control the quality during the polishing process?
1)As for the mirror polish square/rectangular tube , we will polish it as least four times)
2)During the polishing processing, we set a special sanding wheel to polish the welding part.
3)To avoid scratches,after polishing,the tubes will be lay out on a steel crate then we could lift the whole steel crate instead of the tube.
4)On the other hand, we use the gunny bags to protect the tube's surface when the tube laying-out.

6. How do you inspect the tubes?
The Quality inspectors inspect the tubes during each production processes from raw material,tube welding,polishing,packaging.
1) Before the production of each machine, we will have the first checked and record the data.

2). During the production, our inspector and engineer have been carefully moniting and we record the data every two hours.
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Póngase en contacto con nosotros
Persona de Contacto : Becky Zhang
Caracteres restantes(20/3000)
Ponerse en contacto
No. 507, Unidad 3, Edificio A, Centro de Negocios DunGou, CEL Road, Sansha, Hainan, China
Sobre
Perfil de la empresa Visita a la fábrica Control de Calidad Contacto
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