ASTM A350 LF2 Carbon Steel Forged Fittings Manufacturer
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Midland Alloys Inc. stands as a trusted name in the global piping industry, proudly manufacturing and supplying ASTM A350 LF2 Carbon Steel Forged Fittings from India. Built for strength and reliability, these fittings are specially designed to perform in low temperature and high pressure environments, where standard materials often fall short. As a recognized stockist of A105 forged fittings in Mumbai, we bring unmatched precision and consistent quality to industries that demand durability and compliance. The high-quality carbon steel used to make our ASTM A350 LF2 CS Forged Fittings has a balanced chemical composition of carbon (≤0.3%), manganese (0.6 to 1.35%), phosphorus (≤0.035%) and sulfur (≤0.040%), ensuring mechanical strength and ductility. These fittings are appropriate for pressure piping and cold service as they have tensile strength of at least 485 MPa, yield strength of at least 250 MPa, minimum elongation of 22% and area reduction of at least 30%. Manufactured according to ASME B16.11 specifications, we provide both ASTM A350 LF2 Class 1 Forged Pipe Fittings and tailor-made solutions as per the project requirements.
Benefits of ASTM A350 LF2 Carbon Steel Forged Fittings
For demanding conditions, where strength, dependability and low temperature durability is essential. ASTM A350 LF2 forged fittings provide proven value. As they ensure long term performance in pressure piping systems, these fittings are an increasingly common choice for industries worldwide.
- Built to withstand temperatures as low as -46°C
- High impact resistance in sub-zero and cryogenic conditions
- Outstanding resistance to fatigue under cyclic loading
- Superior resistance to corrosion in wet and sour environments
- Smooth weldability with few problems in the heat affected zone
- Durability over time in high pressure piping systems
- Over time, fewer inspections, and maintenance are needed.
- Cost-effective substitute for alloy grade in comparable applications
The main distinction between ASTM A350 LF2, and ASTM A105, two carbon steel grades used for forged pipe fittings is the temperature at which they are intended to be used. ASTM A350 LF2 is specifically designed for low-temperature service and offers superior notch toughness at temperatures as low as -46°C. ASTM A105, on the other hand, is appropriate for applications at high and high temperatures but does not ensure performance at below-freezing temperatures. A105 does not require impact testing but LF2 fittings do. Due to this ASTM A350 LF2 CS Threaded Fittings are the recommended option in demanding environments where temperature resilience is a must, such as cold climates and LNG plants.
Specification of ASTM A350 LF2 Carbon Steel Forged Fittings
Socketweld : 1/8" to 4" NB
Screwed-Threaded : 1/8" to 4" NB
ASTM A105, A350 LF2, A694 F42/F60/F65/F70
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Forge, Cast, Push, Press, etc.
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Socketweld Fittings, Screwed-Threaded Fittings
Types of ASTM A350 LF2 Carbon Steel Forged Fittings
Manufacturing Types
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Threaded Forged FittingsDesigned with internal or external threads, these fittings allow quick assembly and disassembly without welding.
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Socket Weld Forged FittingsThese fittings are joined by inserting the pipe into a recessed area of the fitting and welding around it, ensuring strong, leak-proof joints.
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Screwed FittingsSimilar to threaded types, screwed fittings are connected using screw threads, making installation simple and cost-effective.
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BSPTBushings help reduce the bore size in a fitting or valve connection by joining pipes of varying diameters.
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NPTEnd caps are used to seal a pipeline's end, shielding it from impurities and guaranteeing closed systems' safety.
Forms
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Forged ElbowElbows, which come in 45° and 90° varieties shift the direction of flow with little pressure loss.
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Forged BushingBushings help reduce the bore size in a fitting or valve connection by joining pipes of varying diameters.
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Forged TeeUsed to split or combine flow across three directions essential for branching pipeline.
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Forged CouplingOffer a safe connection between two pipes; threaded and socket-welded options are available.
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Forged PlugClose open pipe ends which are frequently used for isolation or testing.
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Forged CrossWith four openings, cross fittings help connect four pipes used when fluid distribution needs to occur in multiple directions.
Contact us today to discuss how ASTM A350 LF2 Carbon Steel Forged Fittings can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
| Element | Composition, w.t % Grades | ||||||
|---|---|---|---|---|---|---|---|
| Carbon Steel LF1 | Carbon Steel LF2 | Carbon Steel LF3 | Carbon Steel LF5 | Carbon Steel LF6 | Carbon Steel LF9 | Carbon Steel LF787 | |
| C | ≤0.30 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.22 | ≤0.20 | ≤0.07 |
| Mn | 0.60-1.35 | 0.60-1.35 | ≤0.90 | 0.60-1.35 | 1.15–1.50 | 0.40–1.06 | 0.40–0.70 |
| P | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.035 | ≤0.025 |
| S | ≤0.040 | ≤0.040 | ≤0.040 | ≤0.040 | ≤0.025 | ≤0.040 | ≤0.025 |
| Si | 0.15-0.30 | 0.15-0.30 | 0.20-0.35 | 0.20-0.35 | 0.15-0.30 | … | ≤0.40 |
| Ni | ≤0.40 | ≤0.40 | 3.30-3.70 | 1.00-2.00 | ≤0.40 | 1.60-2.24 | 0.70–1.00 |
| Cr | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.30 | 0.60–0.90 |
| Mo | ≤0.12 | ≤0.12 | ≤0.12 | ≤0.12 | ≤0.12 | ≤0.12 | 0.15-0.25 |
| Cu | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | 0.75–1.25 | 1.00-1.30 |
| Cb | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ≥0.02 |
| V | ≤0.08 | ≤0.08 | ≤0.03 | ≤0.03 | 0.04-0.11 | ≤0.03 | ≤0.03 |
| N | … | … | … | … | 0.01–0.030 | … | … |
| Grade/Class | Tensile Strength | Yield Strength, min. | Elongation, min. | Hardness, max. | ||
|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | HBW | |
| Carbon Steel LF1 CL1 | 60-85 | 415–585 | 30 | 205 | 25 | 197 |
| Carbon Steel LF5 CL1 | 60-85 | 415–585 | 30 | 205 | 25 | 197 |
| Carbon Steel LF2 CL1 | 70–95 | 485–655 | 36 | 250 | 22 | 197 |
| Carbon Steel LF2 CL2 | 70–95 | 485–655 | 36 | 250 | 22 | 197 |
| Carbon Steel LF3 CL1 | 70–95 | 485–655 | 37.5 | 260 | 22 | 197 |
| Carbon Steel LF3 CL2 | 70–95 | 485–655 | 37.5 | 260 | 22 | 197 |
| Carbon Steel LF5 CL2 | 70–95 | 485–655 | 37.5 | 260 | 22 | 197 |
| Carbon Steel LF6 CL1 | 66–91 | 455–630 | 52 | 360 | 22 | 197 |
| Carbon Steel LF6 CL2 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| Carbon Steel LF6 CL3 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| Carbon Steel LF9 | 63–88 | 435–605 | 46 | 315 | 25 | 197 |
| Carbon Steel LF787 CL2 | 65-85 | 450-585 | 55 | 380 | 20 | 197 |
| Carbon Steel LF787 CL3 | 75-95 | 515-655 | 65 | 450 | 20 | 197 |
| Material Group | Common Name | Material Type | UNS | Forging Spec. | Casting Spec. Equivalent | DIN | DIN W. No | Application |
|---|---|---|---|---|---|---|---|---|
| Carbon Steel | CS | C-Si | K03504 | A105 | A216-WCB | C22.8 DIN 17243 | 1.0460 | General non-corrosive service from -29ºC (-20ºF) to 425ºC (800ºF) |
| Low Temperature Carbon Steel | LTCS | C-Mn-Fe | K03011 | A350-LF2 | A352-LCB A352-LCC | TSTE 355 DIN 18103 | 1.0566 | General non-corrosive service from -46ºC (-50ºF) to 340ºC (650ºF), LF2 -46ºC ~ 425ºC |
| LTCS | Nickel Steel | 3.1/2Ni | K32025 | A350-LF3 | A352-LC3 | 10Ni14 | 1.5637 | -101ºC (150ºF) to 340ºC (650ºF) |
Carbon Steel Forged Fittings Grades We Offer
ASTM A350 LF2 Carbon Steel Forged Fittings Manufacturing Standards
| ASTM A350 – ASME SA350 | Standard Specification for Wrought Austenitic Carbon Steel Piping Fittings |
| ASME B16.11 | Socket Welding and Threaded Forged Fittings |
| MSS SP-43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
| BS3799 | Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry |
ASTM A350 LF2 Carbon Steel Forged Fittings Tolerance Chart
| Dimensions | Up to 2″ NB | 2 1/2″ & 3″ NB | |
| Socket Bore | + 0.25 | + 0.38 | |
| – 0.00 | – 0.00 | ||
| Body Bore | + 0.00 | + 0.00 | |
| – 1.52 | – 3.00 | ||
| A | 1/4″ NB | ± 0.8 | ± 2.50 |
| 3/8″ TO 3/4″ NB | ± 1.6 | ||
| 1″T0 2″NB | ± 2.0 | ||
ASTM A350 LF2 Carbon Steel Forged Fittings Pressure Rating
| Fittings | Size | |
|---|---|---|
| Carbon Steel Forged 90° Elbows | Carbon Steel Socket Couplings | Sizes 1/8″ – 4″ Fittings Pressure Ratings – 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Carbon Steel NPT 45° Elbows | Carbon Steel Threaded Reducers | |
| Carbon Steel Forged Street Elbows | Carbon Steel SW Inserts | |
| Carbon Steel Threaded Tees | Carbon Steel Forged Caps | |
| Carbon Steel Socket Crosses | Carbon Steel NPT Unions | |
Manufacturing Standards of ASTM A350 LF2 Carbon Steel Forged Fittings
Raw Material
Cutting
Sizing
Heat Treatment
Pickling
Beveling
Polishing
Sand Blasting
Pickling / Passivating
Inspection
Analytic
Marking
Packing & Shipping
Applications of ASTM A350 LF2 Carbon Steel Forged Fittings
ASTM A350 LF2 Carbon Steel Forged Fittings are widely used across industries requiring dependable performance in low-temperature and high-pressure environments. For smooth flow control in the oil and gas sector, as they are installed in pipeline manifolds and cryogenic gas lines, among other upstream, and downstream systems. They are widely used in pressure vessels, reactors and heat exchanger connections in petrochemical plants, where they serve an essential part in handling process fluids at below-freezing temperatures. These fittings are also utilised in power plants, shipbuilding and refinery infrastructure, where material toughness and mechanical reliability are critical for continuous operation and safety.
Why Choose ASTM A350 LF2 Carbon Steel Forged Fittings from Midland Alloys Inc.?
Midland Alloys Inc. is a reputable Indian manufacturer and international supplier of ASTM A350 LF2 Carbon Steel Forged Fittings, which are designed to perform exceptionally well in conditions involving high pressure, and low temperatures. Being a well-known supplier of A105 forged fittings in Mumbai, India, we provide excellent accuracy, dependability and consistency for each purchase. Our fittings are produced using premium carbon steel with a well balanced chemical composition: carbon (≤0.30%), manganese (0.60 to 1.35%), phosphorus (≤0.035%), and sulfur (≤0.040%), ensuring robust mechanical strength and excellent ductility. These fittings are perfect for cold service applications due to their tensile strength of at least 485 MPa, yield strength of at least 250 MPa, elongation of at least 22% and minimum area reduction of 30%. We provide ASTM A350 LF2 Class 1 Forged Pipe Fittings which are manufactured in accordance, with fully customized options designed to satisfy important project requirements.
FAQs – ASTM A350 LF2 Carbon Steel Forged Fittings
The cost per kg of ASTM A350 LF2 Forged Fittings is determined by a number of variables including order volume, dimensions, specific requirement and raw material trends as well.
Yes, depending on the service environment and necessary testing, A350 Grade LF2 CS Forged Fittings are frequently utilized in sour service applications particularly, when supplied with NACE MR0175 compliance.
