Customization: | Available |
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Processing Object: | Metal |
Molding Style: | Forging |
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These high-strength 4340 alloy steel forged cylinders are used in deck machinery like cranes, anchor winches, and hydraulic arms. Their excellent toughness and wear resistance make them ideal for repetitive loading conditions.
Item | Detail |
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Grade | AISI 4340 |
Length | 500mm - 4000mm |
Hardness | 280-320 HB |
Treatment | Quenched & Tempered |
Use | Marine Deck Equipment |
Property | Value |
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Tensile Strength | ≥ 585 MPa |
Yield Strength | ≥ 415 MPa |
Elongation | ≥ 20% |
Hardness (HB) | ≤ 250 |
Impact Test (Charpy V-Notch, -20°C) | ≥ 27J |
Standard | Description |
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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 |
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
Industry | Application |
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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 |
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
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.