GB/T 34105 S22053 Hot Rolled Duplex Stainless Steel Pipe For Ocean Engineering Structures
GB/T 34105 S22053 Hot Rolled Duplex Stainless Steel Pipe For Ocean Engineering Structures
Material
The GB/T 34105 S22053 hot rolled duplex stainless steel pipe is made from a specific material composition. It is designed to provide excellent corrosion resistance and high strength, making it suitable for use in ocean engineering structures.
Specification
| Specification | Value |
|---|---|
| Standard | GB/T 34105 |
| Grade | S22053 |
| Manufacturing Method | Hot Rolled |
| Type | Duplex Stainless Steel Pipe |
| Application | Ocean Engineering Structures |
Key Features
The GB/T 34105 S22053 hot rolled duplex stainless steel pipe offers several key features, which make it a preferred choice for ocean engineering structures:
- Excellent corrosion resistance in various environmental conditions, including seawater
- High strength and durability
- Good weldability and formability
- Superior resistance to stress corrosion cracking
- Enhanced resistance to pitting and crevice corrosion
- Cost-effective alternative to austenitic stainless steels
Chemical Composition
The chemical composition of the GB/T 34105 S22053 hot rolled duplex stainless steel pipe is as follows:
| Element | Composition (Weight %) |
|---|---|
| Chromium (Cr) | 21.5 - 23.5 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 2.5 - 3.5 |
| Nitrogen (N) | 0.15 - 0.25 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Copper (Cu) | 1.00 - 2.50 |
| Sulfur (S) | ≤ 0.020 |
| Phosphorus (P) | ≤ 0.035 |
Mechanical Properties
The mechanical properties of the GB/T 34105 S22053 hot rolled duplex stainless steel pipe are as follows:
| Property | Value |
|---|---|
| Yield Strength (Rp0.2) | ≥ 450 MPa |
| Tensile Strength (Rm) | 650 - 850 MPa |
| Elongation (A) | ≥ 25% |
| Hardness (HBW) | ≤ 290 |
| Impact Energy (KV2/J) | ≥ 60 (Longitudinal) |
| ≥ 30 (Transverse) |
Steel Grade
The GB/T 34105 S22053 hot rolled duplex stainless steel pipe falls under the S22053 steel grade. This steel grade is specifically designed to meet the requirements of ocean engineering structures while providing excellent corrosion resistance and high mechanical strength.
Application
The GB/T 34105 S22053 hot rolled duplex stainless steel pipe is commonly used in various ocean engineering structures, including offshore platforms, underwater pipelines, and marine vessels. Its corrosion resistance, strength, and durability make it suitable for such applications, offering long-term protection in highly demanding marine environments.
Possible Alternative Grades
In addition to the GB/T 34105 S22053, there are several alternative grades that can be considered for hot rolled duplex stainless steel pipes used in ocean engineering structures. Some potential alternatives include:
- S32304 (2101 Duplex Stainless Steel)
- S31803 (2205 Duplex Stainless Steel)
- S32750 (2507 Super Duplex Stainless Steel)
- S32760 (Zeron 100 Super Duplex Stainless Steel)
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
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