1. S32750 Precision Tubes Basic Introduction:

Duplex Stainless Steel S32750, also known as Saf 2507, is a high-strength, corrosion-resistant stainless steel material. It belongs to the duplex (austenitic-ferritic) stainless steel family, combining the characteristics of austenitic and ferritic stainless steels, thus offering excellent corrosion resistance and high strength.

2. S32750 Precision Tubes Common Specifications:

Duplex Stainless Steel S32750 precision tubes are typically available in the following common specifications:

- Outer Diameter Range: 1/8 inch (3.18mm) to 1 inch (25.4mm)

- Wall Thickness Range: 0.028 inch (0.71mm) to 0.065 inch (1.65mm)

3. S32750 Precision Tubes Equivalent Grades:

S32750 is a grade of super duplex stainless steel, also known as UNS S32750 or Alloy 2507. Super duplex stainless steels like S32750 are characterized by their high corrosion resistance and superior mechanical properties compared to standard duplex stainless steels.

Equivalent grades for S32750 precision tubes may vary depending on the standard or specification being used. Some common equivalent grades for S32750 precision tubes include:

3.1. ASTM/ASME: ASTM A789/A790 UNS S32750

3.2. EN/DIN: 1.4410 X2CrNiMoN25-7-4

3.3. ISO: ISO 2507

3.4. NORSOK MDS D57

3.5. API 5L: Grade X52NS

4. S32750 Precision Tubes Chemical Composition:

5. Mechanical and Physical Properties:

Here are some typical mechanical and physical properties of S32750 Duplex Stainless Steel:

6. S32750 Precision Tubes Relevant Production Standards:

S32750 Duplex Stainless Steel precision tubes are typically produced in accordance with standards such as ASTM A789, ASTM A790, EN 10216-5, EN 10294-1, and others.

7. S32750 Precision Tubes Features:

- Excellent Corrosion Resistance: Outstanding resistance to corrosion from various acids, alkalis, chlorides, and seawater.

- High Strength: High yield and tensile strength suitable for high-stress environments.

- Good Toughness: Good impact and fracture toughness.

- Excellent Machinability: Easy to machine and weld, suitable for various manufacturing processes.

8. S32750 Precision Tubes Applications:

S32750 Duplex Stainless Steel precision tubes find wide applications in various fields, including:

- Oil and gas industry, including subsea oil wells and gas pipelines.

- Chemical industry, especially in handling corrosive chemicals.

- Marine engineering, such as offshore structures, ships, and marine platforms.

- Food processing and pharmaceutical industries due to their hygiene and corrosion resistance.

- Energy industry, including nuclear power plants and fossil fuel power plants.

8. S32750 Precision Tubes Produce Standard:

1. GB/T 21832: Standard for Austenitic-Ferritic Duplex Stainless Steel Welded Pipes. This standard applies to welded duplex stainless steel pipes with both austenitic and ferritic microstructures.

2. GB/T 21833: Standard for Austenitic-Ferritic Duplex Stainless Steel Seamless Pipes. Similar to the previous standard, but applicable to seamless duplex stainless steel pipes.

3. ASTM A789 (ASME SA789): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service. This standard applies to stainless steel tubing used for general industrial applications, available in both seamless and welded forms.

4. ASTM A790 (ASME SA790): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe. Similar to ASTM A789, but may have a wider range of applications.

5. ASTM A928: Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal. This standard applies to stainless steel pipes welded using electric fusion welding with filler metal addition, typically used in specialized industrial applications requiring high corrosion resistance and strength.

6. EN 10217-7: Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes. This standard covers welded stainless steel tubes for pressure purposes, including duplex stainless steel tubes.

7. EN 10216-5: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes. This standard specifies the technical delivery conditions for seamless stainless steel tubes for pressure purposes, including duplex stainless steel tubes.

8. EN 10296-2: Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel. This standard covers welded circular stainless steel tubes for mechanical and general engineering purposes, including duplex stainless steel tubes.

These standards are established to ensure consistent quality and performance of the produced stainless steel pipes. They include detailed specifications regarding material composition, manufacturing processes, dimensions, and testing methods to ensure compliance with specific technical requirements and standards.

In summary, S32750 Duplex Stainless Steel precision tubes are widely used in multiple industries for their exceptional performance, especially in environments requiring high strength and corrosion resistance.

Duplex Stainless Steel S32750 Precision Tubes