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SAE Weld Flanges
QS Flange: SAE Weld Flanges
Name: SAE Weld Flanges
Standard: SAE J518 ISO 6162 part 1
Size: 1/2 to 4 inch
Material: SS304
Pressure: 3000 psi
Type: Butt/ Socket Weld
Application: Used in pipe and tube systems
Standard: SAE J518 ISO 6162 part 1
Size: 1/2 to 4 inch
Material: SS304
Pressure: 3000 psi
Type: Butt/ Socket Weld
Application: Used in pipe and tube systems
Quantity
SAE Weld Flanges are high-performance welding flanges that comply with SAE J518 and ISO 6162 standards, with size ranges from 1/2 to 4 inches. Made from premium SS304 stainless steel, they offer excellent corrosion resistance and pressure resistance, with a maximum working pressure of 3000 psi. Available in both butt weld and socket weld connection types, they are suitable for various piping and tubing systems and are widely used in the chemical, food, pharmaceutical, and energy industries.
SAE Weld Flanges stand out for their exceptional high-pressure performance, with a maximum working pressure of 3000 psi (approximately 206.8 bar), enabling them to easily handle demanding industrial applications. This pressure rating is designed based on stringent SAE J518 and ISO 6162 standards, ensuring the flanges maintain structural integrity and sealing performance even under high-pressure conditions.
1. Pressure Rating and Design Verification
Pressure Rating: 3000 psi (206.8 bar)
Design Verification:
According to the ASME B16.5 standard, SAE Weld Flanges underwent hydrostatic testing at 1.5 times the working pressure (4500 psi), ensuring no leakage or structural deformation.
Pressure Rating: 3000 psi (206.8 bar)
Design Verification:
According to the ASME B16.5 standard, SAE Weld Flanges underwent hydrostatic testing at 1.5 times the working pressure (4500 psi), ensuring no leakage or structural deformation.
The burst pressure of the flanges was tested to reach 9000 psi (620.5 bar), significantly higher than the working pressure, ensuring a safety margin.
Temperature Range:
Operating temperature range: -29°C to +200°C
At high temperatures, the mechanical properties of SAE Weld Flanges remain stable, with yield strength decreasing by only about 10% at 200°C.
Operating temperature range: -29°C to +200°C
At high temperatures, the mechanical properties of SAE Weld Flanges remain stable, with yield strength decreasing by only about 10% at 200°C.
2. Connection Methods and Sealing Performance
Butt Weld Connection:
Full penetration welding ensures weld strength matches the base material, guaranteeing structural integrity under high pressure.
Welds undergo 100% X-ray inspection, complying with **ASME Section VIII** standards, ensuring defect-free joints.
Butt Weld Connection:
Full penetration welding ensures weld strength matches the base material, guaranteeing structural integrity under high pressure.
Welds undergo 100% X-ray inspection, complying with **ASME Section VIII** standards, ensuring defect-free joints.
Socket Weld Connection:
Internal welding design provides uniform stress distribution, avoiding localized stress concentration.
Welds undergo ultrasonic testing, ensuring no cracks or porosity.
Internal welding design provides uniform stress distribution, avoiding localized stress concentration.
Welds undergo ultrasonic testing, ensuring no cracks or porosity.
Sealing Performance:
The sealing surface of SAE Weld Flanges features a surface roughness of Ra 3.2 μm, ensuring tight contact with gaskets.
At 3000 psi, the leakage rate is below 1×10⁻⁶ cc/sec, meeting ISO 5208 standards.
The sealing surface of SAE Weld Flanges features a surface roughness of Ra 3.2 μm, ensuring tight contact with gaskets.
At 3000 psi, the leakage rate is below 1×10⁻⁶ cc/sec, meeting ISO 5208 standards.
3. Application Scenarios and Performance Validation
Hydraulic Systems:
In hydraulic systems, SAE Weld Flanges can withstand frequent high-pressure impacts, such as in connections between hydraulic cylinders and pumps, where pressure fluctuations range from 0 to 3000 psi. The flanges exhibit excellent fatigue resistance.
Hydraulic Systems:
In hydraulic systems, SAE Weld Flanges can withstand frequent high-pressure impacts, such as in connections between hydraulic cylinders and pumps, where pressure fluctuations range from 0 to 3000 psi. The flanges exhibit excellent fatigue resistance.
Petrochemical Industry:
When transporting corrosive media (e.g., acidic crude oil, hydrogen sulfide), the corrosion resistance and high-pressure capabilities of SAE Weld Flanges make them an ideal choice.
When transporting corrosive media (e.g., acidic crude oil, hydrogen sulfide), the corrosion resistance and high-pressure capabilities of SAE Weld Flanges make them an ideal choice.
In subsea pipelines, the flanges were validated under NACE MR0175 standards at 3000 psi pressure and 10% H₂S environment, showing no stress corrosion cracking.
Energy Transportation:
In natural gas pipelines, SAE Weld Flanges can withstand 3000 psi high pressure and -29°C low temperatures, ensuring reliability in extreme environments.
In natural gas pipelines, SAE Weld Flanges can withstand 3000 psi high pressure and -29°C low temperatures, ensuring reliability in extreme environments.
SAE Weld Flanges, with their 3000 psi high-pressure rating, premium material (SS304 stainless steel), precise design, and rigorous validation, provide reliable and efficient connection solutions for demanding applications. Their excellent corrosion resistance, fatigue resistance, and sealing performance make them the preferred choice in hydraulic systems, petrochemical, and energy transportation industries, ensuring long-term stable operation under high pressure, high temperature, and corrosive conditions.
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