Audited Supplier
SS-2-E Duplex
Stainless Steel Pipes
ASTM, AISI, GB, JIS, DIN, EN
Duplex
ISO, AISI, ASTM, GB, EN, DIN, JIS
Round
Cold Rolled
Pickling
7~30 Days
En10204 3.1 or 3.2 Certified
Cold Drawn or Cold From Welded
Form E, R, F Green Certificate
EZS
Mill Export Package
OD 12.7 - 609.6 mm
P. R China
7304
Product Description
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, SINOPEC 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.
Material Code: S32750 SAF2507 S2507
Fabrication Standard: ASTM A213/249/269/270/312/789
Size Range: 12.7mm ~ 609.6mm
Production Capacity: 10,000 tons/year
Production days: 7 ~ 30 days
Applications: Industrial pipelines with high pressure, high temperature and corrosion-resistence requirement
Fabrication Standard: ASTM A213/249/269/270/312/789
Size Range: 12.7mm ~ 609.6mm
Production Capacity: 10,000 tons/year
Production days: 7 ~ 30 days
Applications: Industrial pipelines with high pressure, high temperature and corrosion-resistence requirement
| CHEMICAL COMPOSITION (%) | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu | Others |
| 0.030 | 1.20 | 0.035 | 0.020 | 0.80 | 24.0~ 26.0 | 6.0~ 8.0 | 3.0~ 5.0 | 0.24~ 0.32 | 0.50 | |
| max | max | max | max | max | max | |||||
Material Code: S32205 2205 S2205 S31803
Fabrication Standard: ASTM A213/249/269/270/312/789
Size Range: 12.7mm ~ 609.6mm
Production Capacity: 10,000 tons/year
Production days: 7 ~ 30 days
Applications: Industrial pipelines with high pressure, high temperature and corrosion-resistence requirement
Fabrication Standard: ASTM A213/249/269/270/312/789
Size Range: 12.7mm ~ 609.6mm
Production Capacity: 10,000 tons/year
Production days: 7 ~ 30 days
Applications: Industrial pipelines with high pressure, high temperature and corrosion-resistence requirement
| CHEMICAL COMPOSITION (%) | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu | Others |
| 0.030 | 2.0 | 0.030 | 0.020 | 1.0 | 22.0~ 23.0 | 4.5~ 6.5 | 3.0~ 3.5 | 0.14~ 0.20 | \ | |
| max | max | max | max | max | ||||||
Duplex stainless steels are a family of stainless steels. These are called duplex (or austenitic-ferritic) grades because their metallurgical structure consists of two phases, austenite (face-centered cubic lattice) and ferrite (body centered cubic lattice) in roughly equal proportions. They are designed to provide better corrosion resistance, particularly chloride stress corrosion and chloride pitting corrosion, and higher strength than standard austenitic stainless steels such as type A2/304 or A4/316. The main differences in composition, when compared with an austenitic stainless steel is that the duplex steels have a higher chromium content, 20-28%; higher molybdenum, up to 5%; lower nickel, up to 9% and 0.05-0.50% nitrogen. Both the low nickel content and the high strength (enabling thinner sections to be used) give significant cost benefits. They are therefore used extensively in the offshore oil and gas industry for pipework systems, manifolds, risers, etc. and in the petrochemical industry in the form of pipelines and pressure vessels. In addition to the improved corrosion resistance compared with the 300 series duplex stainless steels also have higher strength. For example, a Type 304 stainless steel has a 0.2% proof strength in the region of 280 MPa (41 ksi), a 22%Cr duplex stainless steel a minimum 0.2% proof strength of some 450 MPa (65 ksi) and a superduplex grade a minimum of 550 MPa (80 ksi).
- Are you a manufacturer or a trading company?
We are a manufacturer for most sizes listed and can assist with the entire project package if in need. - Where are your plants located in China?
By 2019, we have a carbon steel plant in Cangzhou City and a stainless steel plant in Lishui City, with details available on our website. - Do you have a certified quality assurance system?
Yes, we boasts ISO 9001:2015 certified factories. - Can I visit your plant before placing an order?
Of course, we welcome and respect all clients' plant visits. - What is the market percentage for domestic and international sales?
Our domestic market share is approximately 70%, with international sales accounting for less than 30% over the past 5 years.
