Alloy Steel Forged Fittings
High-Quality Alloy Steel Forged Fittings for High-Pressure Applications – Custom Sizes & Quick Delivery
Alloy steel forged fittings are advanced pipe fittings consisting of alloy steels that go through the process of forging to provide strength, dependability and resistance to stress and corrosion. They play a crucial role in high-pressure piping systems, and severe industrial applications. Nandini Steel is a renowned company among Alloy Steel Fittings Suppliers in Mumbai, India. We produce and supply the best quality forged fittings as per international standards. We make use of high-end alloy grades such as Alloy Steel F1 Forged Fittings and Alloy Steel ASTM A182 F5 Forged Fittings, providing the best durability and efficiency. Being ISO 9001:2015 certified, we have the highest level of quality control at each phase of production, from forging to completion, with products designed according to client-specific specifications.

Leading Alloy Steel Forged Fittings Manufacturer in Mumbai – High-Strength Socket Weld & Threaded Fittings in Various Grades and Standards at Competitive Prices
Key Features of Alloy Steel Forged Fittings
- High Tensile Strength: Our alloy steel forged fittings offer excellent mechanical strength, ideal for high-pressure and high-temperature applications.
- Corrosion Resistance: Made from corrosion-resistant alloys, they are suitable for harsh environments, including marine and offshore installations.
- Precision Engineering: Each fitting is manufactured with tight dimensional tolerances for perfect fit and ease of installation.
- Superior Metallurgy: Enhanced with controlled levels of elements like molybdenum, chromium, and nickel for improved performance.
- Thermal Stability: Maintains mechanical integrity in high-heat environments, making it perfect for thermal and chemical processing industries.
- Leak-Proof Joints: Provides safe connections, minimizing maintenance and system breakdowns.
- Longer Service Life: Designed to function in extreme temperatures, minimizing replacement rate and operation cost.
Applications of Alloy Steel Forged Fittings
Alloy steel forged fittings find extensive applications across different industries. In the oil and gas sector, they are crucial for surviving high-pressure fluid systems. They are a primary contributor to petrochemical and power generation facilities, where they deal with corrosive and high-temperature conditions. The pharmaceutical, pulp and paper and marine sectors count on them for leak-proof and dependable operation. Their adaptability also makes them suitable for construction, automotive parts, bicycle and tank manufacturing, electrical components and, hydraulic systems. We also cater to the demand for ASTM A234 WP11 Buttweld Fittings, completing your piping requirements under one roof.
Packaging & Quality Assurance
We place a strong emphasis on secure packaging and rigorous quality control. Each fitting is tested for product integrity by a visual inspection, and advanced tests such as hydrostatic testing, ultrasonic testing, and hardness testing. Our alloy steel forged fittings are shipped in strong wooden crates or export worthy packaging, Sealed and labeled for safe international transport. Traceability is ensured through detailed specifications and batch identification on all products. Manufacturing processes comply with ASTM, ASME, DIN, JIS and EN standards to guarantee consistency as well as safety and compliance.
Delivery
We provide on-time delivery, competitive rates, and unparalleled customer service. Regardless of whether you need small batches or bulk orders, we have ready Alloy Steel Fittings Stock to fulfill your project deadlines effectively.
If you need Alloy Steel Fittings manufacture in Mumbai, India, we are the best option for you. Contact us now to place a request for a quote, technical datasheet or discuss your customized fitting requirements
Other Types Alloy Steel Forged Fittings

Alloy Steel Forged Elbow

Alloy Steel Forged Tee

Alloy Steel Forged Cross

Alloy Steel Street elbow
Alloy Steel Forged Fittings Specification
Specifications: ASTM A182 / ASME SA182
Dimensions: ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size: 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class: 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type: Socketweld Fittings, Screwed-Threaded Fittings
Manufacturing process: Forge, Cast, Push, Press, etc.
Specialized manufacturer of: 90 Deg Forged Elbows, 45 Deg Forged Elbows, Tees, Crosses, Couplings, End Cap, Union, Bushing, Plug, Barrel Nipple
Grades: A182 F1, F5, F9, F11, F12, F22, F91 etc.
Material Test Certificates (MTC): EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc
Grade | C | Mn | Si | P | S | Cr | Mo |
F1 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
F5 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
F9 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
F11 | 0.5-0.15 | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 1.0-1.5 | 0.44-0.65 |
F12 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
F22 | 0.15 max | 0.3-0.6 | 0.5 | 0.03 | 0.03 | 4-6 | 0.44-0.65 |
F91 | 0.15 max | 0.3-0.6 | 0.5-1.0 | 0.03 | 0.03 | 8-10 | 0.9-1.1 |
Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
F1 | 275 | 485 | 20 % |
F5 | 275 | 485 | 20 % |
F9 | 380 | 585 | 20 % |
F11 | 205 | 415 | 20 % |
F12 | 275 | 485 | 20 % |
F22 | 205 | 415 | 20 % |
F91 | 380 | 585 | 20 % |
Material Group | Common Name | Type | UNS | Forging Spec. | Casting Spec. Equivalent | DIN | DIN W. No | Application |
Low AS | Moly Steel | C-1/2Mo | K12822 | A182-F1 cl2 | A217-WC1 | 15M03 | 1.5415 | Up to 470ºC* (875ºF) |
AS Chrome Moly | 1.1/4Cr-1/2Mo | K11572 | A182-F11 cl2 | A217-WC6 | 13CRM044 | 1.7335 | Up to 593ºC (1100ºF) | |
2.1/4Cr-1Mo | K21590 | A182-F22 cl3 | A217-WC9 | 10CRM0910 | 1.7380 | Up to 593ºC (1100ºF), HP steam | ||
5Cr-1/2Mo | K41545 | A182-F5/F5a | A217-C5 | 12CRMO195 | 1.7362 | High temp refinery service | ||
9Cr-1Mo | K90941 | A182-F9 | A217-C12 | X 12 CrMo 9 1 | 1.7386 | High temp erosive refinery service | ||
9Cr-1Mo-V | A182-F91 | A217-C12A | X 10 CrMoVNb 9 1 | 1.4903 | High pressure steam |
Alloy Steel Forged Fittings Weight Chart
Nominal Pipe Size (NPS) | Weight (lbs) | Weight (kg) |
1/4 | 0.18 | 0.08 |
1/4 | 0.25 | 0.11 |
1/2 | 0.32 | 0.14 |
1/2 | 0.45 | 0.20 |
3/4 | 0.52 | 0.24 |
3/4 | 0.65 | 0.29 |
1 | 0.74 | 0.34 |
1 | 1.02 | 0.46 |
1-1/4 | 1.06 | 0.48 |
1-1/4 | 1.38 | 0.63 |
1-1/2 | 1.52 | 0.69 |
1-1/2 | 1.94 | 0.88 |
2 | 2.15 | 0.98 |
2 | 2.85 | 1.29 |
2-1/2 | 3.00 | 1.36 |
2-1/2 | 4.35 | 1.97 |
3 | 3.58 | 1.62 |
3 | 5.10 | 2.31 |
Alloy Steel Forged Fittings Dimensions
Nominal Pipe Size (NPS) | Outside Diameter (OD) Tolerance (inches) | Wall Thickness Tolerance (inches) | Length Tolerance (inches) | Pipe SCH |
1/4 | ±0.015 | ±0.010 | ±0.125 | SCH 40 |
1/4 | ±0.020 | ±0.012 | ±0.125 | SCH 80 |
1/2 | ±0.020 | ±0.012 | ±0.125 | SCH 40 |
1/2 | ±0.025 | ±0.015 | ±0.125 | SCH 80 |
3/4 | ±0.025 | ±0.015 | ±0.125 | SCH 40 |
3/4 | ±0.030 | ±0.020 | ±0.125 | SCH 80 |
1 | ±0.030 | ±0.020 | ±0.125 | SCH 40 |
1 | ±0.035 | ±0.025 | ±0.125 | SCH 80 |
1-1/4 | ±0.035 | ±0.025 | ±0.125 | SCH 40 |
1-1/4 | ±0.040 | ±0.030 | ±0.125 | SCH 80 |
1-1/2 | ±0.040 | ±0.030 | ±0.125 | SCH 40 |
1-1/2 | ±0.045 | ±0.035 | ±0.125 | SCH 80 |
2 | ±0.045 | ±0.035 | ±0.125 | SCH 40 |
2 | ±0.050 | ±0.040 | ±0.125 | SCH 80 |
2-1/2 | ±0.050 | ±0.040 | ±0.125 | SCH 40 |
2-1/2 | ±0.060 | ±0.050 | ±0.125 | SCH 80 |
3 | ±0.060 | ±0.050 | ±0.125 | SCH 40 |
3 | ±0.070 | ±0.060 | ±0.125 | SCH 80 |
Alloy Steel Forged FittingsTolerance Chart
Minimal Diam. | Outer Dia. For Bevel End | Inner Dia. For End | Elbow | Tee | Reducer | Cap | 180°Elbow | |||||
DN | NPS | A | B | C | M | H | E | O | K | Roughness | ||
500-600 | 20-24 | +6.4/-4.8 | 4.8 | 3.2 | 3.2 | 3.2 | 3.2 | 4.8 | 9.6 | – | – | – |
650-750 | 26-30 | |||||||||||
4.8 | 4.8 | 4.8 | 4.8 | |||||||||
800-1200 | 32-48 | |||||||||||
1250-1500 | 50-60 | +9.6/-6.4 | 6.4 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | – | |||
1550-1750 | 62-70 | +12.7/-9.6 | 9.6 | 12.7 | 12.7 | – | ||||||
1800-2000 | 72-80 | +16/-12 | 12 | 16 | 16 | |||||||
15-65 | 1/2-2 1/2 | +1.6/-0.8 | 0.8 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 3.2 | 6.4 | 6.4 | 0.8 |
80-100 | 3-4 | 1.6 | 1.6 | 6.4 | ||||||||
125-200 | 5-8 | +2.4/-1.6 | ||||||||||
250-450 | 10-18 | +4/-3.2 | 3.2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 9.6 |
Alloy Steel Forged Fittings Stockist Distributor of Following Manufacturers




Alloy Steel Forged Fittings Manufacturing Process

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