ASME SA105N SRN Carbon Steel Nozzle In Pressure Vessel 273.7MM Diameter DN250
ASME SA105N SRN Self Reinfored Carbon Steel Nozzle for Pressure Vessels
With an annual production capacity of 6,000+ tons, Yuhong Holding Group Co., Ltd. delivers high-quality pressure vessels and components, including thin-film evaporators, heat exchangers, reactors, towers, storage tanks, and custom nozzles. Our ASME-compliant solutions serve global industries with precision engineering.
Product Name: ASME SA105N SRN Self Reinforced Carbon Steel Nozzle for Pressure Vessels
Designed for critical pressure vessel applications, this self-reinforced nozzle meets ASME SA105N standards, offering enhanced load-bearing capacity and structural integrity in high-stress environments.
SA105N Carbon Steel Chemical Composition
| Element | C | Mn | Si | P (max) | S (max) | Cr (max) | Mo (max) |
|---|---|---|---|---|---|---|---|
| Content | ≤0.35 | 0.60-1.05 | 0.10-0.35 | 0.035 | 0.040 | 0.30 | 0.12 |
SA105N Mechanical Properties
| Parameter | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| Value | 485-655 | ≥250 | ≥22 | ≤187 |
SRN Self Reinforced Nozzle Design Features
- Reinforced Neck Structure
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Thickened transition zone reduces stress concentration.
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Compatible with ASME B16.5/B16.47 flange connections.
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Material Advantages
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SA105N carbon steel ensures weldability and corrosion resistance.
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Operating temperature range: -29°C to 425°C.
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Welding Methods for Nozzle & Vessel Integration
| Method | Application Scope | Key Parameters |
|---|---|---|
| Butt Welding | Main body connections | Preheat: 100-150°C (for thickness >25mm) |
| Fillet Welding | Auxiliary attachments | Electrode: E7018 (AWS standard) |
Surface Treatment Options
| Process | Purpose | Technical Requirements |
|---|---|---|
| Sandblasting | Remove oxidation layer | Surface roughness: Ra ≤12.5μm |
| Anti-Corrosion Coating | Extend service life | Epoxy/Polyurethane coatings available |
Yuhong Holding Group Co., Ltd. – Expertise in Pressure Vessel Components
All products undergo 100% non-destructive testing (UT/RT/MT) and are certified to ASME Section VIII, EN 13445, and GB/T standards. Customized nozzle dimensions (DN50-DN600) and material traceability reports are provided.
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