Product Description
The A355 P91 Forged Ring is a high-strength, heat-resistant alloy steel component designed for demanding high-temperature and high-pressure applications. Manufactured through precision forging, this ring offers superior mechanical properties, excellent creep resistance, and outstanding durability in extreme environments.
Material Composition (ASTM A355 P91)
| Element |
Composition (%) |
| Chromium (Cr) |
8.0 - 9.5 |
| Molybdenum (Mo) |
0.85 - 1.05 |
| Vanadium (V) |
0.18 - 0.25 |
| Niobium (Nb) |
0.06 - 0.10 |
| Carbon (C) |
0.08 - 0.12 |
| Manganese (Mn) |
0.30 - 0.60 |
| Silicon (Si) |
0.20 - 0.50 |
| Nickel (Ni) |
≤ 0.40 |
| Sulfur (S) |
≤ 0.010 |
| Phosphorus (P) |
≤ 0.020 |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
≥ 585 MPa |
| Yield Strength |
≥ 415 MPa |
| Elongation |
≥ 20% |
| Hardness (HB) |
≤ 250 |
| Impact Test (Charpy V-Notch, -20°C) |
≥ 27J |
Standards & Specifications
| Standard |
Description |
| ASTM A355 P91 |
Seamless Ferritic Alloy-Steel for High-Temperature Service |
| ASME SA335 P91 |
Equivalent standard for pressure vessel and boiler applications |
| DIN EN 10216-2 |
European standard for high-temperature steel pipes |
| JIS G3458 |
Japanese standard for alloy steel tubes |
| GB/T 5310 |
Chinese standard for high-pressure boiler tubes |
Key Features & Benefits
High-Temperature Strength - Maintains excellent mechanical properties at temperatures above 600°C
Superior Creep Resistance - Ensures long-term durability under continuous high-stress conditions
Corrosion & Oxidation Resistance - Ideal for extreme environments with exposure to steam and gases
Precision Forged for Accuracy - Guarantees optimal dimensional stability and enhanced fatigue strength
Custom Sizes & Heat Treatment Available - Tailored to meet specific engineering requirements
Applications
| Industry |
Application |
| Power Generation |
Steam turbines, high-pressure piping, boiler components |
| Petrochemical & Refinery |
Heat exchangers, reactors, pressure vessels |
| Aerospace & Automotive |
High-temperature engine components |
| Oil & Gas |
Processing plants, pipeline systems |
Why Choose Us?
Direct Manufacturer Supply - Competitive pricing and fast lead times
Strict Quality Control - Compliance with international testing standards (Ultrasonic Testing, Hardness, and Mechanical Testing)
OEM & Customization Support - Tailored solutions to match specific project requirements
Detailed Photos
Company Profile
Founded in 2009, Xiamen Bluesea Piping Systems Co., Ltd (BPS) is a premier supplier of forged products, renowned for our expertise in providing a comprehensive range of forgings. Our offerings include forged rings, shafts, cylinders, discs, as well as standard and non-standard flanges crafted from a variety of raw materials including carbon steel, stainless steel, duplex steel, and alloy steel. Our track record of successful partnerships with numerous Fortune Global 500 companies underscores our unwavering dedication to delivering excellence.
Our Advantages
1) Industry Leadership:
As pioneers in Pipeline Products since 2009, we boast decades of expertise. we've provided pipeline solutions to over 30 countries. Our stringent quality control ensures guaranteed excellence.
2) VIP Service:
Our dedicated technical engineers and sales teams ensure top-notch quality and service, catering to your specific needs with professionalism and care.
3) Flexibility in Material Selection:
With expertise in forging different materials, we offer flexibility in material selection to meet the unique demands of different industries and applications.
4) Rapid Prototyping and Production:
Leveraging advanced forging techniques, we excel in rapid prototyping and production, enabling quick turnaround times for orders.
Packaging & Shipping
FAQ
1.Q:Are you a factory or trading company?
A: We are a factory.
2.Q:Do you accept customized orders?
A:Yes,just tell us your requirements
3.Q:How does your factory do regarding quality control?
A: "Quality is our culture" Inspection. We serious control the quality from raw material to finished pipes.
4.Q: How can I get more details about your products?
A: You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.
5. Q: After sales service.
A: We guarantee the quality and quantity, any problem, we will be responsible for the end, guarantee your satisfaction.
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