Manufacturer, Supplier & Exporter of Duplex Steel Socket Weld Union
Duplex Steel Socket Weld Unions are essential components in piping systems, designed to connect and disconnect sections of pipe with ease. Manufactured from duplex stainless steel alloys such as UNS S31803 and UNS S32205, these unions offer a combination of high strength and excellent corrosion resistance. Their dual-phase microstructure provides enhanced mechanical properties, making them suitable for demanding applications in various industries..
These unions are widely used in industries that require robust and reliable piping solutions. Applications include chemical processing, oil and gas, water treatment, and marine engineering. Their resistance to stress corrosion cracking and pitting makes them ideal for environments exposed to chlorides and other corrosive substances.
Duplex Steel Socket Weld Unions are renowned for their exceptional corrosion resistance. Their unique duplex structure—combining austenitic and ferritic stainless steel phases—ensures superior resistance to pitting, crevice corrosion, and stress corrosion cracking. This makes them ideal for harsh industrial environments such as chemical plants, desalination units, and offshore applications where longevity and durability are critical..
These socket weld unions are designed to withstand high pressures and extreme temperatures. They are commonly used in piping systems where pressure ratings range from 150 PSI to 2500 PSI and temperatures from -50°C to 300°C, depending on the grade and wall thickness. This versatility allows them to be used in both high-pressure steam lines and chilled water systems...
Duplex Steel Socket Weld Unions are essential piping components used to connect two pipes securely while allowing easy disassembly for maintenance. Manufactured and supplied by Riddhi Siddhi Impex, these unions are widely available across domestic Indian markets, including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla..
Duplex Steel Socket Weld Union
Specification
| Grade | Stainless Steel 201 |
|---|---|
| Standard | ASTM A240 / ASME SA240 |
| Thickness | 0.02 mm to 3.00 mm |
| Width | Up to 600 mm |
| Length | Custom lengths / Coils / Sheets |
| Finish | 2B, BA, No.4, Mirror, Custom |
| Form | Coil, Sheet, Strip, Shim |
Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 3.5 – 5.5 |
| Manganese (Mn) | 5.5 – 7.5 |
| Carbon (C) | ≤ 0.15 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.060 |
| Sulfur (S) | ≤ 0.030 |
| Nitrogen (N) | ≤ 0.25 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 520 MPa |
| Yield Strength (0.2% offset) | ≥ 275 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 95 HRB |
Dimension Chart
| Thickness (mm) | Width (mm) | Length |
|---|---|---|
| 0.05 | Up to 600 | Custom / Coil |
| 0.10 | Up to 600 | Custom / Coil |
| 0.50 | Up to 600 | Custom / Coil |
| 1.00 | Up to 600 | Sheet / Coil |
| 2.00 | Up to 600 | Sheet |
Equivalent Grades
| Standard | Grade |
|---|---|
| ASTM | 201 |
| EN | 1.4372 |
| JIS | SUS 201 |
| GB | 12Cr17Mn6Ni5N |
Equivalent Standards
| Standard | Description |
|---|---|
| ASTM A240 | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip |
| ASME SA240 | ASME Specification for Stainless Steel Sheets and Plates |
Other Types of Stainless Steel Shims
| Grade | Description |
|---|---|
| SS 304 | Versatile austenitic stainless steel with excellent corrosion resistance |
| SS 316 | Marine-grade stainless steel with molybdenum for improved resistance |
| SS 321 | Titanium-stabilized for high-temperature applications |
| SS 430 | Ferritic stainless steel with moderate corrosion resistance |
These unions are made from Duplex Stainless Steel, which combines austenitic and ferritic structures, resulting in superior strength, toughness, and corrosion resistance. This makes them highly suitable for aggressive industrial environments, such as chemical plants, petrochemical refineries, oil and gas pipelines, power generation, and marine applications. The duplex structure provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
Frequently Asked Questions (FAQs)
- Q1: What are the common applications of Duplex Steel Socket Weld Union?
- A1: It is widely used in heat exchangers, automotive trim, kitchenware, architecture, and chemical equipment.
- Q2: Can you provide custom thicknesses and widths?
- A2: Yes, we offer custom shims in various thicknesses, widths, and finishes based on your project needs.
- Q3: Is SS 201 corrosion-resistant?
- A3: Yes, SS 201 offers moderate corrosion resistance and is ideal for environments where high strength is required over high corrosion resistance.
- Q4: What finishes are available for SS 201 Shim?
- A4: Available finishes include 2B, BA, No.4, Mirror, and customized finishes on request.
Cities we have supplied our products to
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