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ASME/ANSI B16.5 Forged Carbon Steel Flanges - Class 150 to 2500
Product Overview
Cangzhou Hongxin is a leading Chinese manufacturer and supplier of high-quality ASME/ANSI B16.5 compliant forged carbon steel flanges. Our flanges are available in pressure classes ranging from 150 to 2500, including Weld Neck, Slip-On, Blind, Socket Weld, and Lap Joint types, with Raised Face (RF) and Ring Type Joint (RTJ) facing options. These flanges are engineered for durability, reliability, and exceptional performance in high-pressure and high-temperature applications across various industries.
Key Features & Benefits
Standards Compliance: Manufactured strictly in accordance with ASME/ANSI B16.5 standards.
Pressure Classes: Available in Class 150, 300, 400, 600, 900, 1500, and 2500.
Material Grade: High-quality carbon steel (A105, A350 LF2, A694 F42/F52/F60/F65/F70).
Types: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, and Spectacle Blind.
Face Types: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), and Male-Female (M/F).
Robust Construction: Forged for superior strength and structural integrity.
Corrosion Resistance: Suitable for various environments with optional protective coatings.
Precision Machining: Accurate dimensions and smooth surface finish for perfect sealing.
Applications
Our ASME/ANSI B16.5 flanges are widely used in:
Oil and Gas Industry: Pipeline connections, refinery systems, and offshore platforms.
Chemical Processing: Handling corrosive fluids and high-pressure systems.
Power Generation: Steam, water, and coolant lines in power plants.
Water Treatment: Municipal and industrial water distribution networks.
Petrochemical Plants: High-temperature and high-pressure applications.
Construction and Infrastructure: Building services and utility piping.
Why Choose Cangzhou Hongxin?
Quality Assurance: Every flange undergoes rigorous testing and inspection to ensure compliance with international standards.
Competitive Pricing: Direct factory pricing with no intermediaries, offering cost-effective solutions.
Customization: Tailored flanges in specific sizes, materials, and pressure classes based on project requirements.
Global Export Expertise: Reliable shipping to the USA, Europe, Middle East, and Asia.
Certifications: Compliant with ISO 9001, API, CE, PED, and NACE standards; Material Test Certificates (MTC) provided.
Manufacturing Process
Our flanges are produced through:
Material Selection: Sourcing certified raw materials from reputable mills.
Forging: Heated and formed under high pressure for enhanced strength.
Heat Treatment: Normalizing, quenching, and tempering to achieve desired mechanical properties.
Machining: Precision CNC machining for accurate dimensions and smooth surfaces.
Surface Treatment: Shot blasting, galvanizing, or anti-rust coating for protection.
Quality Control: 100% dimensional inspection, non-destructive testing, and pressure testing.
Ordering Information
Standard Products: Ready for immediate shipment in common sizes and pressure classes.
Custom Orders: Provide specifications (size, pressure class, type, face type, material) for a tailored solution.
Packaging: Secure wooden cases or pallets to prevent damage during transit.
Samples: Available for testing and validation upon request.
FAQ
Q: What is the difference between RF and RTJ flanges?
A: RF (Raised Face) flanges use a flat gasket and are suitable for low to medium pressure. RTJ (Ring Type Joint) flanges use a metal ring gasket and are designed for high-pressure and high-temperature applications.
Q: Can you supply flanges in other materials besides carbon steel?
A: Yes, we also offer stainless steel (304/316), alloy steel (F11/F22), and duplex steel flanges.
Q: What is the lead time for custom orders?
A: Typically 10-35 days depending on quantity and complexity.
Q: Do you provide certifications?
A: Yes, we supply Material Test Certificates (MTC), inspection reports, and compliance documents.
| Product name | Flange |
| Material | Steel |
| Size | Customized Size |
| Process | Forging,rough, machinging, QT, finish maching |
| Type OF FLANGE | large diameter flange, welding flange |
FAQ
Q1: Can you provide a sample before a big order?
A": Yes,we can .
Q2: Whether there are some discounts for large quantities or not?
A: To be honest, we not only offer discounts to you because of quantity but also discounts to you when we do the promotion duning valve pruchase season.
Q3:If products have some quality problem ,how would you deal with?
A: Normally all our products get quality check and pressure testing before shipment. It quality problem due to wrong use .we will suggest some solution but not take cost,If it is products quality due to our production, we will provide solution and take related repair cost.
Q4: How long is your delivery time ?
A:Generally it depends on quantity and products types. If goods are in stock, the delivery time is within one week .It will be 25-45 days if it cunsonmer-made production.
Q5:What is your payment term?
A: T/T 30% for deposit, balance to be paid before shipment or L/C.
Q6 : Do you offer customizationg or OEM service?
A: Of course, It is custonmization when we finish production according to customers requlrements.If brand OEM , please offer the brand letter of authorization to me for exporting later.
Contact
24 Hours online service
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ASME/ANSI B16.5 forged flanges class150 400 300 600 2500 carbon steel flange weld neck RF RFJ flange hardware Images
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