Alloy Steel Forged Fittings Manufacturer & Supplier
Surya Steel & Alloys is a leading manufacturer and supplier of alloy steel forged fittings, dealing in a wide range of high quality fittings best suited to international standards. Our products are manufactured with durability, reliability, and optimal performance in mind, and are intended to be used in harsh environments. Grades we specialize in are ASTM A182 F5 fittings, F9, F11, F12, F22, and F91, ready to cater to industries that demand accuracy and superior quality. We deliver alloy steel forged fittings designed to guarantee safety and efficiency in any oil, gas, power plants, or chemical processes.
What Are Alloy Steel Forged Fittings & it's properties ?
Alloy steel forged fittings are made to provide high pressures and temperatures and thus are ideal for heavy-duty use. Alloy steel usually has elements such as chromium, molybdenum and nickel that increase the strength and high-temperature resistance of the material. The forging process, where steel is shaped under high pressure, improves the fittings' structural integrity and eliminates defects. This method also results in higher strength, durability, and resistance compared to cast fittings, which can be more prone to weaknesses and cracks. Forged fittings are ideal for high-pressure and high-temperature fittings, ensuring superior performance under challenging conditions.
Types of Alloy Steel Forged Fittings
Alloy steel fittings come in several forms, each with unique advantages that suit specific purposes:
- Socket Weld Fittings: These fittings are designed to be welded to the pipe, offering a smooth, leak-free connection ideal for high pressure systems.
- Threaded Fittings: Threaded fittings provide a quick, cost-effective solution for pipe connections. Threaded fittings are easily disassembled without welding.
- Elbows: Elbow fittings are used in order to redirect flow in piping systems. They come in different angles (e.g., 90°, 45°) and are frequently used in necessary bends, or turns within the pipeline.
- Tees: Tees provide for branching off the main pipe resulting in a "T" shape. Such fittings are required when dividing flow between two or more directions.
- Reducers: A reducer is employed to connect pipes of varying diameters so that the flow is smooth with zero chances of turbulence.
- Couplings: Couplings are fittings that connect two pipe sections together in a secure manner without causing any leakage. Couplings have various shapes, such as straight and reducing couplings, and each performs a particular function based on the piping system.
Each type of fitting has its own strengths, ideal size range, and applications, such as industrial fittings or those used in fittings for pipelines.
Applications of Alloy Steel Forged Fittings
Alloy steel forged fittings are extensively applied in industries where safety, performance and durability are essential. Some of the major industries which depend significantly on alloy steel fittings are:
- Oil & Gas: Alloy steel in oil & gas applications guarantees that pipelines are not damaged under the severe conditions of extraction, transport, and refining.
- Petrochemicals: Fittings in petrochemical facilities have to withstand corrosive conditions, and high temperatures. Alloy steel's corrosion resistance and durability qualify it as the best piping material for chemical plant systems.
- Power Plants: Facilities for generating power depend on alloy steel fittings for steam pipelines and water pipelines where high pressure and heat are common. Forged pipe fittings by ANSI are utilized to join different components to provide smooth operations and security.
- Chemical Processing: The chemical processing sector requires corrosion- and temperature-resistant, high-quality fittings. Alloy steel forged fittings provide leak-tight, consistent connections, and hence they play a critical role in industrial fluid handling systems.
The exceptional mechanical properties of alloy steel make it ideal for these applications ensuring the reliability and longevity of the fittings.
Advantages of Alloy Steel Forged Fittings
Here are some of the key benefits:
- Increased Strength: Alloy steel forged fittings are made to withstand intense pressure and high temperatures which makes it a perfect fit for heavy duty industrial uses.
- Stress Corrosion Resistance: Alloy steel has superior resistance to stress corrosion cracking than other materials. This characteristic makes it especially well suited for application in severe chemical environments and marine environments.
- Pressure Retention: The forged structure also improves the fittings' resistance to high pressures, maintaining pipeline integrity, even under harsh operating conditions.
Compared to other materials like cast iron or carbon steel, alloy steel forged fittings offer greater resistance to wear, impact and environmental stress.
Difference between Alloy Steel & Carbon Steel Forged Fittings
Alloy steel and carbon steel are both common materials used in the manufacture of forged fittings but they have very different chemical compositions, mechanical properties and performance in different environments.
| Property | Alloy Steel Forged Fittings | Carbon Steel Forged Fittings |
| Chemical Composition | Contains elements like chromium, nickel, molybdenum, etc. | Primarily iron and carbon, with minimal other elements. |
| Strength & Hardness | Higher strength, toughness, and hardness, especially at high temps. | Moderate strength and hardness; not ideal for high-stress environments. |
| Corrosion Resistance | Superior resistance to corrosion and oxidation, especially at high temps. | Lower corrosion resistance, may require coatings for protection. |
| Temperature Resistance | Performs well in high-temperature environments (e.g., pressure vessels). | Limited high-temperature performance; may degrade faster. |
| Ductility & Malleability | Generally less ductile but more resistant to deformation. | More ductile, allowing for better forming but less tough. |
| Applications | Aerospace, automotive, petrochemical, heavy machinery. | General piping, construction, plumbing, low-pressure systems. |
| Cost | More expensive due to added alloying elements and processing. | Less expensive, cost-effective for standard applications. |
Industry Standards and Certifications
We adhere to strict industry standards like ASTM, ASME and ISO certifications. These certifications ensure that our forged fittings meet global quality benchmarks, ensuring safety, reliability, and performance across all industries. Compliance with these standards is crucial for providing products that meet or exceed customer expectations in terms of quality and durability.
Why Choose Surya Steel & Alloys
Our dedication to quality supported by cutting-edge technology and a strong quality control process, makes us the perfect fit for alloy steel fittings. We provide customized solutions to meet specific requirements of each client, guaranteeing consistent and long-lasting products.
Quality Assurance & Testing
Our products undergo strict quality assurance measures that include hydrostatic testing, non-destructive testing (NDT), and detailed material certification. Contact us today for the finest forged fittings, surpassing industry standards!
Specifications :
| Range | : | 1/2" NB TO 48" NB. |
| Grade | : | ASTM A 234, A 335ASTM / ASME A 182, ASME A 691 GR F 5, F 9, F 11, F 12, F 22, F 91 |
| Class | : | 150#, 300#, 400#, 600#, 900#, 1500# & 2500#. |
| Type | : | Socketweld Fittings, Screwed-Threaded Fittings |
| Form | : | Tee, Union, Full Coupling, Half Coupling,Elbow 45 Deg & 90 Deg, Swage Nipple, Cross, Cap, Plug Bush |
Equivalent Grades of Alloy Steel F5 Forged Fittings
| STANDARD | WERKSTOFF NR. | UNS |
| ASTM A182 F5 | 1.7362 | K41545 |
Dimensions of Alloy Steel F9 Forged Fittings
| DN | NPS |
Center to End NPT Elbow, NPT Tee, NPT Cross A |
Center to End 45 Deg Elbow C |
O.D. of Band H |
Min. Wall Thick. G |
Length of Thread. Minimum (1) |
|||||||||
| Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | B | L2 | ||
| 6 | 1/8 | 21 | 21 | 25 | 17 | 17 | 19 | 22 | 22 | 25 | 3.18 | 3.18 | 6.35 | 6.4 | 6.7 |
| 8 | 1/4 | 21 | 25 | 28 | 17 | 19 | 22 | 22 | 25 | 33 | 3.18 | 3.30 | 6.60 | 8.1 | 10.2 |
| 10 | 3/8 | 25 | 28 | 33 | 19 | 22 | 25 | 25 | 33 | 38 | 3.18 | 3.51 | 6.98 | 9.1 | 10.4 |
| 15 | 1/2 | 28 | 33 | 38 | 22 | 25 | 28 | 33 | 38 | 46 | 3.18 | 4.09 | 8.15 | 10.9 | 13.6 |
| 20 | 3/4 | 33 | 38 | 44 | 25 | 28 | 33 | 38 | 46 | 56 | 3.18 | 4.32 | 8.53 | 12.7 | 13.9 |
| 25 | 1 | 38 | 44 | 51 | 28 | 33 | 35 | 46 | 56 | 62 | 3.68 | 4.98 | 9.93 | 14.7 | 17.3 |
| 32 | 1-1/4 | 44 | 51 | 60 | 33 | 35 | 43 | 56 | 62 | 75 | 3.89 | 5.28 | 10.59 | 17.0 | 18.0 |
| 40 | 1-1/2 | 51 | 60 | 64 | 35 | 43 | 44 | 62 | 75 | 84 | 4.01 | 5.56 | 11.07 | 17.8 | 18.4 |
| 50 | 2 | 60 | 64 | 83 | 43 | 44 | 52 | 75 | 86 | 102 | 4.27 | 7.14 | 12.09 | 19.0 | 19.2 |
| 65 | 2-1/2 | 76 | 83 | 95 | 52 | 52 | 64 | 92 | 102 | 121 | 5.61 | 7.65 | 15.29 | 23.6 | 28.9 |
| 85 | 3 | 86 | 95 | 106 | 64 | 64 | 79 | 109 | 121 | 146 | 5.99 | 8.84 | 16.64 | 25.9 | 30.5 |
| 100 | 4 | 106 | 114 | 114 | 79 | 79 | 79 | 146 | 152 | 152 | 6.55 | 11.18 | 18.67 | 27.7 | 33.0 |
Pressure Rating of Alloy Steel F12 Forged Fittings
| ASTM A182 F5 Forged Fittings Pressure-Temperature | |||||
| Temperature | Class | ||||
| 150 | 300 | ||||
| 1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
| (oF) | (oC) | ||||
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | - | 935 | 750 | 560 |
| 450 | 232 | - | 725 | 600 | 475 |
| 500 | 260 | - | 510 | 450 | 385 |
| 550 | 288 | - | 300 | 300 | 300 |
Tolerance of Alloy Steel F22 Forged Fittings
| ASTM A182 F5 Forged Fittings American Standard Dimensional Tolerances | ||
| "A" - Threaded Center To Bottom |
For Size 1/8" And 1/4" |
± 0.03" |
| 3/8", 1/2" And 3/4" | ± 0.06" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
| 2-1/2", 3", And 4" | ± 0.10" | |
| "B" - Threaded Bore Diameter |
For Size 1-1/2" And Smaller |
+ 0.020" - 0.000" |
| 2", 2-1/2", 3" And 4" | + 0.025" - 0.000" |
|
| "C" - Threaded Wall Thick. |
Min. = 1.09 T (But Not Less Than 5/32") T = Wall Thickness Of Nominal Pipe Sizes |
|
| "D" - Bore Diameter Of Pipe Fitting |
For Size 2" And Smaller |
± 0.030" |
| 2-1/2", 3" And 4" | ± 0.060" | |
| "E" - Threadeds- Bottom To Bottom - Full Couplings |
For Size 1/8" And 1/4" |
± 0.06" |
| 3/8", 1/2" And 3/4" | ± 0.12" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.16" | |
| 2-1/2", 3", And 4" | ± 0.20" | |
| "F" - Bottom Of Threaded To Opposite Face - ANSI B16.11 Half Couplings |
For Size 1/8" And 1/4" |
± 0.03" |
| 3/8", 1/2" And 3/4" | ± 0.06" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
| 2-1/2", 3", And 4" | ± 0.10" | |
| "G" - Gap Of Welding |
Approx. 0.06" Before Welding Recommended Gap |
|
| "H" - Min. Flat |
Min. Flat = 0.75 X Min. Threaded Wall Thick. |
|
Chemical Composition of Alloy Steel F91 Forged Fittings
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A182 F5 | 0.15 | 0.3 – 0.6 | 0.5 | 0.03 | 0.03 | 4 – 6 | 0.044 – 0.65 |
Mechanical properties of Alloy Steel F9 Forged Fittings
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A182 F5 | 275 | 485 | 20 |
Types of Alloy Steel Forged Fittings :
| → |
Socket Weld Fittings |
| » | Alloy Steel Forged 90 Deg Socket weld Elbow |
| » | ASTM A182 Alloy Steel 45 Deg Socket weld Elbow |
| » | F5 Alloy Steel Forged Socket weld Equal Tee |
| » | ASME B16.11 Alloy Steel Socket weld Unequal Tee |
| » | Alloy Steel F9 Forged Socket weld Equal Cross |
| » | A182 F11 Alloy Steel Socket weld Unequal Cross |
| » | F12 Alloy Steel Forged Socket weld Half coupling |
| » | Alloy Steel F22 Forged Socket weld Full coupling |
| → |
Screwed-Threaded Fittings |
| » | Alloy Steel Forged 90 Deg Screwed-Threaded Elbow |
| » | Alloy Steel F5 Forged 45 Deg Screwed-Threaded Elbow |
| » | A182 F12 Alloy Steel Forged Screwed-Threaded Equal Tee |
| » | Alloy Steel Forged Screwed-Threaded Unequal Tee |
| » | Forged Screwed-Threaded Equal Cross Supplier |
| » | F11 Alloy Steel Forged Screwed-Threaded Unequal Cross |
| » | Alloy Steel Forged Screwed-Threaded Half coupling |
| » | F9 Alloy Steel Forged Screwed-Threaded Full coupling |
| » | ASME SA 182 Alloy Steel Forged Screwed-Threaded Cap |
| » | Alloy Steel Forged Screwed-Threaded Plug Manufacturer |
| » | ASTM A182 Alloy Steel Forged Screwed-Threaded Bushing |
| » | Alloy Steel Forged Screwed-Threaded Hex Nipples |
| » | F22 Alloy Steel Street Elbows |
| » | Alloy Steel F91 Welding Boss |
| » | ANSI B16.11 Alloy Steel Union BS 3799 |
| » | Alloy Steel A182 Swage Nipple |
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