Precision Forged Heavy Wall Aluminum Pipes

Short Description:

Product Specifications
Name： Forged Large Diameter Aluminum Tube
Standard： ASTM B247 / B241, AMS 4126 / QQ-A-367, RoHS Compliant, REACH Compliant
Material： 6061-T6, 7075-T73, 2024-T851, 5083-H112 (Common Forging Alloys)
Surface： Mill Finish, Optional Machined or Anodized
Outer Diameter (OD)： 100mm – 800mm
Wall Thickness： 10mm – 100mm
Length： 1000mm – 6000mm (custom lengths available)
Product Features: Exceptional strength-to-weight ratio with forging refinement · Superior fatigue and impact resistance · Good corrosion resistance in aggressive environments · High pressure and structural integrity · Uniform grain structure for consistent performance · Excellent machinability despite large size · Enhanced toughness over extruded alternatives
Application Field: Aerospace fuselage and wing components, Marine and offshore structures, Oil & gas high-pressure lines, Heavy machinery hydraulic cylinders, Defense and military hardware, Automotive frame and chassis tubes, Pressure vessels and tanks, Sporting and recreational equipment, Industrial piping systems

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Forged Large Diameter Aluminum Tube – Process & Quality Assurance Statement

Our forged large diameter aluminum tubes are manufactured using advanced hot forging techniques to deliver outstanding mechanical properties and internal soundness in substantial sizes, where extruded or seamless tubes often fall short in strength or uniformity.

Key process features

The process is tailored to maximize material performance for critical structural uses:
●Billet Selection: Premium alloy ingots are cast and cut into billets, with composition verified for exact specifications.
●Preheating: Billets are heated to precise forging temperatures to achieve optimal plasticity without compromising alloy properties.
●Hot Forging: Multiple controlled press operations shape the large tube, piercing the center and forming thick walls while refining grain flow for superior toughness.
●Heat Treatment: Solution treatment and artificial aging (e.g., T6/T73 temper) develop peak strength and stress corrosion resistance.
●Straightening & Sizing: Hydraulic straightening and mandrel sizing ensure dimensional accuracy and roundness.
●Surface Preparation: Optional boring or turning cleans internal/external surfaces for smooth finish.
●Protection: Tubes are cleaned, ends protected, and securely packaged to withstand long-distance shipping without damage.

Quality control system

● Complete traceability from alloy melt batch to finished tube
● Full material test reports and forging certifications supplied with each order
● Sample retention ≥3 years for independent verification (SGS, BV, TÜV, etc.)
● 100% inspection of vital attributes:
• Chemical composition (optical emission spectrometry)
• Mechanical properties (tensile, yield, hardness, and impact testing on witness samples)
• Dimensional precision (ultrasonic wall thickness + CMM; typical tolerance ±1.5% on OD/wall)
• Internal soundness (ultrasonic and radiographic testing on large sections)
• Surface quality (visual and dye penetrant checks)
● Internal standards exceed ASTM B247 requirements. Typical 6061-T6 forged properties: Tensile strength ≥310 MPa, Yield strength ≥275 MPa, Excellent fatigue resistance and structural reliability in oversized applications.
● ISO 9001:2015 certified facility ensures every forged large diameter aluminum tube meets the rigorous demands of your high-performance projects.