Product Description
GB/T 21833 Austenitic-Ferritic (Duplex) Grade Stainless Steel Seamless Tubes and Pipes
Model NO. |
Seamless Stainless Steel Pipe |
Section shape |
Round |
Length |
Customized by Client and Typically 6000mm |
Material Grade |
304 304/304L 304h 321 321H 316
316L 316/31L 316h |
Specification |
OD 6~630MM; WT
1.00~50mm |
Origin |
China |
Production Capacity |
1000 Tons/Month |
Usage |
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Construction & Decoration,Boiler Tube,Heat Exchanger,Nuclear Power Plant,Power Station,Medical Industry
Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Special Purpose |
Standard |
AISI, ASTM, DIN, JIS, GB |
Steel Grade |
Nickel Alloy Pipe |
Transport Package |
Sea-Worthy Packing |
Trademark |
EZS |
Our services: |
We can customized according to customer's requriement or drawing ,packaging according to customers' request |
Chemistry Composition |
C, %
|
Si, %
|
Mn, %
|
P, %
|
S, %
|
Cr, %
|
Ni, %
|
Mo
|
N, %
|
0.03 max
|
1.4-2.0
|
1.2-2.0
|
0.03 max
|
0.03 max
|
18.0-19.0
|
4.5-5.2
|
2.5-3.0
|
0.05-0.10
|
|
Mechanical Properties |
Tensile Strength , MPa
|
Yield Strength, MPa
|
Elongation, %
|
Hardness, HB
|
630 min
|
440 min
|
30 min
|
290 max
|
|
|
|
Outside Diameter & Tolerance |
Hot rolled
|
Outside Diameter, mm
|
Tolerance, mm
|
OD≤101.6
|
+0.4/-0.8
|
101.6
|
+0.4/-1.2
|
190.5
|
+0.4/-1.6
|
Cold Drawn
|
Outside Diameter, mm
|
Tolerance, mm
|
OD<25.4
|
±0.10
|
25.4≤OD≤38.1
|
±0.15
|
38.1
|
±0.20
|
50.8≤OD<63.5
|
±0.25
|
63.5≤OD<76.2
|
±0.30
|
76.2≤OD≤101.6
|
±0.38
|
101.6
|
+0.38/-0.64
|
190.5
|
+0.38/-1.14
|
|
Wall thickness & Tolerance |
Hot rolled
|
Outside Diameter, mm
|
Tolerance, %
|
OD≤101.6, WT≤2.4 |
+40/-0
|
OD≤101.6, 2.4
|
+35/-0
|
OD≤101.6, 3.8
|
+33/-0
|
OD≤101.6, WT>4.6
|
+28/-0
|
OD>101.6, 2.4
|
+35/-0
|
OD>101.6, 3.8
|
+33/-0
|
OD>101.6, WT>4.6
|
+28/-0
|
Cold Drawn
|
Outside Diameter, mm
|
Tolerance, %
|
OD≤38.1
|
+20/-0
|
OD>38.1
|
+22/-0
|
|
About EZ STEEL Group
Detailed Photos
Workshop Equipment
![GB/T 21833 Austenitic-Ferritic (Duplex) Grade Stainless Steel Seamless Tubes and Pipes](//www.micstatic.com/athena/img/transparent.png)
Production Process
Detecting Department
Packaging & Delivery
Global Business Main Customers
Certificates
FAQ
Q: How many days can you deliver after confirmed the order?
A: For stock: within 5-7 days;
For customized product: around 30 days;
For special sizes: subject to negotiation.
Q: How does your company do quality control?
A: ISO 9001:2015 certified;
Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
Q: Can I have a factory-visit?
A: Surely. All customers are welcome to visit us in China.
Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service.
Company Profile
|
Business Type: |
Manufacturer/Factory |
|
Main Products: |
Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ... |
|
Registered Capital: |
2000000 RMB |
|
Plant Area: |
>2000 square meters |
|
Management System Certification: |
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD |
|
Average Lead Time: |
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays |
SGS Serial NO. : |
QIP-ASI199413Report Verification
|
EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.
The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.
Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.
CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.66, Zhongyi Road, Yuhua Industrial Zone, Changsha City , P.R China
Pls. do not hesitate to contact me if you have any questions!
You are warm welcomed to visit our factory!!!
Thank you for visiting our products & Looking forward to hearing from you!