Buttweld Fitting
Stainless Steel
Buttweld fittings made from stainless steel are widely used in piping systems for their corrosion resistance and strength. These fittings, including elbows, tees, reducers, and caps, are welded to the pipe, providing a seamless and leak-proof connection.
Stainless steel buttweld fittings are suitable for high-pressure and high-temperature applications, making them ideal for industries such as oil & gas, petrochemical, food processing, and pharmaceuticals. They are available in different grades like 304, 304L, 316, and 316L, offering excellent durability, ease of fabrication, and resistance to chemicals and oxidation.
| Specification | Details |
|---|---|
| Material Grades | 304, 304L, 316, 316L, 321, 347, 904L |
| Standards | ASTM A403, ASME B16.9, MSS-SP-43, ASTM A182 |
| Sizes | 1/2" to 48" (DN 15 to DN 1200) |
| Thickness (Schedule) | SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Pressure Ratings | Class 150 to Class 2500 |
| Corrosion Resistance | Excellent (Varies by Grade: 304, 316 have high resistance, 316L has better corrosion resistance) |
| Surface Finish | Pickled, Sandblasted, Polished, or as per customer requirements |
| Testing & Certification | Hydrostatic Testing, Radiography (RT), Positive Material Identification (PMI), Mill Certificates |
| Applications | Oil & Gas, Chemical Processing, Food & Beverage, Pharmaceutical, Marine, Power Generation |
Carbon Steel
Buttweld fittings made from carbon steel are widely used in piping systems due to their strength, toughness, and cost-effectiveness. These fittings, including elbows, tees, reducers, and caps, are welded to pipes, creating a permanent, seamless connection that enhances the system's structural integrity.
Carbon steel buttweld fittings are suitable for high-pressure and high-temperature applications, making them ideal for industries such as oil & gas, power plants, and petrochemical processing. Common grades include ASTM A234 WPB, offering good weldability and durability. Carbon steel fittings are resistant to wear but require protective coatings for corrosion resistance in harsh environments.
| Specification | Details |
|---|---|
| Material Grades | ASTM A234 WPB, WPC, WP11, WP22, WP5, WP9 |
| Standards | ASTM A234, ASME B16.9, MSS-SP-75, ASME B16.28 |
| Sizes | 1/2" to 72" (DN 15 to DN 1800) |
| Thickness (Schedule) | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°, 180°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Pressure Ratings | Class 150 to Class 2500 |
| Corrosion Resistance | Moderate (requires external coatings like galvanization or painting for corrosion protection) |
| Surface Finish | Black Paint, Anti-Rust Oil, Galvanized, or as required by the customer |
| Testing & Certification | Hydrostatic Testing, Radiography (RT), Hardness Test, Impact Test, Mill Certificates |
| Applications | Oil & Gas, Power Plants, Petrochemical, Water Treatment, Shipbuilding |
Copper Steel
Buttweld fittings made from copper steel, also known as copper-bearing steel, are designed for piping systems where corrosion resistance and enhanced strength are required. These fittings, including elbows, tees, reducers, and caps, are commonly used in applications like shipbuilding, construction, and heat exchangers.
Copper steel buttweld fittings combine the mechanical properties of carbon steel with the added benefit of copper's resistance to atmospheric corrosion, making them ideal for outdoor or marine environments. They are durable, easy to weld, and offer good resistance to sulfuric acid and other corrosive agents, providing long-lasting performance in harsh conditions.
| Specification | Details |
|---|---|
| Material Grades | Copper-Bearing Steel (Corten A, Corten B, ASTM A588, ASTM A242) |
| Standards | ASTM B366, ASME B16.9, ASTM A847 |
| Sizes | 1/2" to 48" (DN 15 to DN 1200) |
| Thickness (Schedule) | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°, 180°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Corrosion Resistance | Excellent (especially in marine and industrial environments due to copper content) |
| Surface Finish | Anti-Corrosive Oil, Weathering Finish, or as per customer specifications |
| Testing & Certification | Hydrostatic Testing, Positive Material Identification (PMI), Radiography (RT), Mill Certificates |
| Applications | Shipbuilding, Industrial Furnaces, Construction, Heat Exchangers, Outdoor Structures |
Nickel
Buttweld fittings made from nickel and nickel alloys are widely used in piping systems that require exceptional resistance to corrosion, high temperatures, and harsh chemical environments. These fittings, including elbows, tees, reducers, and caps, are ideal for industries like chemical processing, petrochemicals, aerospace, and power generation.
Nickel buttweld fittings offer superior resistance to oxidation and can withstand acids, alkalis, and other corrosive agents. Common nickel alloys include Inconel, Monel, and Hastelloy, known for their strength and durability. These fittings are often used in critical applications where both mechanical strength and corrosion resistance are essential for long-term performance.
| Specification | Details |
|---|---|
| Material Grades | Nickel 200, Nickel 201, Inconel (Alloy 600, 625, 718), Monel 400, Hastelloy (C276, C22), Alloy 20 |
| Standards | ASTM B366, ASME B16.9, ASME SB-366, ASTM B564 |
| Sizes | 1/2" to 48" (DN 15 to DN 1200) |
| Thickness (Schedule) | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°, 180°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Corrosion Resistance | Excellent (resistant to acids, alkalis, and high-temperature oxidation) |
| Surface Finish | Polished, Pickled, Sandblasted, or as per customer specifications |
| Testing & Certification | Hydrostatic Testing, Positive Material Identification (PMI), Radiography (RT), Mill Certificates |
| Applications | Chemical Processing, Petrochemical, Aerospace, Power Generation, Marine |
Hastelloy
Buttweld fittings made from Hastelloy are designed for use in piping systems where exceptional corrosion resistance and high strength are required. These fittings, including elbows, tees, reducers, and caps, are commonly used in industries such as chemical processing, petrochemical, and pharmaceuticals, where exposure to harsh chemicals, acids, and high temperatures is common.
Hastelloy, particularly grades like C-276 and C-22, offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. These fittings provide durability and reliability in extreme environments, ensuring long-term performance in critical applications.
| Specification | Details |
|---|---|
| Material Grades | Hastelloy C-276, C-22, B-2, B-3, X, G-30, C-2000 |
| Standards | ASTM B366, ASME B16.9, ASME SB-366 |
| Sizes | 1/2" to 48" (DN 15 to DN 1200) |
| Thickness (Schedule) | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°, 180°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Corrosion Resistance | Excellent (resistant to pitting, crevice corrosion, and stress corrosion cracking) |
| Surface Finish | Pickled, Polished, or as per customer specifications |
| Testing & Certification | Hydrostatic Testing, Positive Material Identification (PMI), Radiography (RT), Mill Certificates |
| Applications | Chemical Processing, Petrochemical, Pharmaceutical, Oil & Gas, Marine |
Alloy Steel
Buttweld fittings made from alloy steel are widely utilized in piping systems that require enhanced mechanical properties and resistance to high temperatures and pressures. These fittings, including elbows, tees, reducers, and caps, are commonly found in industries such as oil and gas, power generation, and chemical processing.
Alloy steel fittings offer superior strength and toughness compared to standard carbon steel, making them suitable for demanding applications. Common grades include ASTM A234 WP1, WP5, and WP11, which provide good weldability and resistance to wear and impact. These fittings are designed to withstand harsh environments, ensuring long-lasting performance and reliability in critical piping systems.
| Specification | Details |
|---|---|
| Material Grades | ASTM A234 WP1, WP5, WP11, WP22, ASTM A860, ASTM A420 |
| Standards | ASTM A234, ASME B16.9, MSS-SP-75, ASME B16.28 |
| Sizes | 1/2" to 48" (DN 15 to DN 1200) |
| Thickness (Schedule) | SCH 10, SCH 20, SCH 40, SCH 80, SCH 120, SCH 160, SCH XXS |
| Types | Elbow (45°, 90°, 180°), Tee, Reducer (Concentric, Eccentric), Cap, Cross |
| Connection Type | Buttweld |
| Pressure Ratings | Class 150 to Class 2500 |
| Corrosion Resistance | Moderate (depending on alloy content, may require coatings for enhanced protection) |
| Surface Finish | Black, Painted, or as per customer specifications |
| Testing & Certification | Hydrostatic Testing, Radiography (RT), Hardness Test, Impact Test, Mill Certificates |
| Applications | Oil & Gas, Power Generation, Chemical Processing, Construction, and Heavy Industries |