Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | Plywood Case or Plywood Pallet |
| Product Name | Forged Nozzles |
| Standard | ASTM A350, ASME SA350 |
| Material | LF2, LF3, LF6 |
| Size | can custom as per drawing |
| Coating | Oil, black paint, yellow paint, hot dip galvanized, electrolytic zinc and epoxy resin coatings |
| Packing | Plywood case, plywood pallet |
| Application | Oil & Gas and Petrochemical sector, Heat Exchanger, etc. |
| High Light | ASME SA350 LF2 CL1 Carbon Steel Forgings, Self Reinforced Nozzle |
| Brand Name | YUHONG |
| Model Number | ASME SA350 LF2 CL1 Carbon Steel Forged Nozzle |
| Certification | ISO, API, ABS, BV, etc |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7 DAYS |
| Packaging Details | Plywood Case or Plywood Pallet | Product Name | Forged Nozzles |
| Standard | ASTM A350, ASME SA350 | Material | LF2, LF3, LF6 |
| Size | can custom as per drawing | Coating | Oil, black paint, yellow paint, hot dip galvanized, electrolytic zinc and epoxy resin coatings |
| Packing | Plywood case, plywood pallet | Application | Oil & Gas and Petrochemical sector, Heat Exchanger, etc. |
| High Light | ASME SA350 LF2 CL1 Carbon Steel Forgings, Self Reinforced Nozzle | Brand Name | YUHONG |
| Model Number | ASME SA350 LF2 CL1 Carbon Steel Forged Nozzle | Certification | ISO, API, ABS, BV, etc |
| Place of Origin | CHINA | ||
| High Light | ASME SA350 LF2 carbon steel nozzle ，self-reinforced forged steel fitting ，integral reinforcement steel nozzle | ||
ASME SA350 LF2 CL1 Low-Temperature Carbon Steel Forged Self Reinforced Nozzles
The ASME SA350 LF2 CL1 Low-Temperature Carbon Steel Self-Reinforced Nozzle is a single-piece, hot-forged nozzle manufactured from low-temperature carbon steel conforming to ASME SA350 Grade LF2 Class 1, in which the reinforcement area required around the opening (normally provided by a separate welded reinforcing pad) is integrally forged as part of the nozzle body, thereby eliminating a separate pad-to-shell weld and providing continuous grain flow for enhanced strength and low-temperature toughness down to -46°C (-50°F).
Self-Reinforced Nozzle Design
A self-reinforced nozzle (also called integral reinforcement or forged reinforcement) is a nozzle where the reinforcing pad or extra metal is forged as one piece with the neck, rather than welded on as a separate reinforcing pad.
Key Features:
No separate reinforcement pad – the thickened region is integral to the forging.
Smooth transition between nozzle neck and shell/head attachment.
Reduced stress concentration compared to pad-reinforced nozzles.
Lower risk of weld defects – fewer welds (only the attachment weld to the shell remains).
Improved fatigue and fracture resistance due to continuous grain flow.
Available Standards and Materials
|
F1,F2,F5,F21,F22 Cl.1,F22 Cl.2,F22V,F51,F53,F55,F92, F304,F404L,F304H,F310,F316L, F316Ti, F317,F321,F321H,F347,F347H |
ASTM A182/A182M |
Forged or rolled alloy and stainless steel pipe flanges |
|
UNS N04400/N08811 |
ASTM B564/B564M |
Hot rolled & cold finished steel age hardening stainless bars and shaping |
|
UNS N08800/N08810 |
||
|
UNS N08825/N010276 |
||
|
UNS N06625 |
| A105/A105M | ASTM A105 | Carbon steel for piping components | |
| A350 LF2, A350 LF3, A350 LF6 | ASTM A350/A350M | Carbon and low alloy steel forgings | |
| A266 Gr. 2, A266 Gr. 4 | ASTM A266/A266M | Carbon steel forgings for pressure vessel components | |
| A694 F52, A694 F60, A694 F65,A694 F70 | ASTM A694/A694M | Carbon and alloy steel forgings for pipe, flanges, fittings valves and parts | |
| A765 Gr. I,A765 Gr. II,A765 Gr. III,A765 Gr. IV | ASTM A765/A765M | Carbon and low-alloy steel forgings with mandatory toughness requirements | |
| A508 Gr. 1, A508 Gr. 2,A508 Gr. 3,A508 Gr. 4N | ASTM A508/A508M | Quenched and tempered vacuum-treated carbon and alloy steels | |
| A336 F1,F5,F5A,F11,F22,F22V, F9,F91,F92 | ASTM A336/A336M | Alloy steel forgings for pressure and high temperature parts |
| UNS N08904 | ASTM B625/B625M | Alloy steel forgings |
| UNS N04400 | ASTM B564/B564M | Nikel-copper alloy |
Advantages of Self-Reinforced Design:
Eliminates a Potential Leak Path: The standard "repad" design creates two weld seams that are potential sites for corrosion and leaks. A self-reinforced nozzle has a single, better-designed weld.
Reduces Stress Concentrations: The gradual, contoured shape minimizes stress concentrations at the junction, leading to a longer fatigue life, especially under cyclic loading.
Simplifies Inspection: With fewer welds, non-destructive examination (NDE) like radiography or ultrasonic testing is simpler and more effective.
Better for High-Pressure or Cyclic Service: It is the preferred design for severe service conditions.
Applications
Pressure vessels for low-temperature hydrocarbon service (e.g., propane, butane, LNG storage)
Ammonia and ethylene plants
Offshore platforms (North Sea, Arctic regions)
Cryogenic tanks (liquid nitrogen, oxygen, argon – down to -46°C)
Heat exchangers and reactors subject to thermal cycling
Pulp & paper digesters
Nuclear auxiliary systems (low-impact requirements)
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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