High-Strength Oversized Aluminum Bronze Round Bars

Short Description:

Product Specifications
Name： Large Diameter Aluminum Bronze Round Bar
Standard： ASTM B148 / B505, UNS C95400 / C95500 / C95800, RoHS Compliant, REACH Compliant
Material： C95400 (Aluminum Bronze), C95500 / C95800 (Nickel Aluminum Bronze)
Surface： Mill Finish, Optional Turned or Centerless Ground
Diameter： 100mm – 600mm (larger sizes available on request)
Length： 1000mm – 6000mm (custom cut-to-length options)
Product Features: Outstanding seawater corrosion resistance · High tensile and yield strength · Excellent wear and galling resistance · Superior impact and fatigue toughness · Good thermal conductivity · Anti-biofouling characteristics · Reliable under heavy mechanical loads
Application Field: Marine propeller shafts and hardware, Offshore platform components, Valve stems and pump shafts, Heavy machinery bearings and gears, Oil & gas drilling equipment, Chemical processing parts, Desalination systems, Shipbuilding structural elements, Cryogenic applications

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Large Diameter Aluminum Bronze Round Bar – Process & Quality Assurance Statement

Our large diameter aluminum bronze round bars are produced for applications that demand exceptional strength and longevity in aggressive environments where standard materials simply don't hold up.

Key process features

The manufacturing process focuses on achieving dense, uniform material suitable for substantial cross-sections:
●Alloy Melting: High-quality ingots are melted under controlled conditions, with real-time spectrometry to confirm composition.
●Casting Method: Centrifugal or continuous casting creates solid billets with low porosity and fine grain.
●Hot Extrusion: Powerful presses form the large round bars, enhancing mechanical properties through work hardening.
●Heat Treatment: Solution annealing followed by controlled cooling balances hardness and toughness.
●Surface Finishing: Peeling or turning removes scale and achieves precise diameter tolerances.
●Straightening & Cutting: Hydraulic straightening ensures minimal deviation, with precision sawing to customer lengths.
●Protective Measures: Bars are cleaned and lightly oiled to prevent surface oxidation during storage and transport.

Quality control system

● Full traceability from raw ingot heat to finished bar
● Comprehensive mill test reports supplied with each order
● Witness samples retained ≥3 years for independent testing (SGS, BV, TÜV, etc.)
● 100% inspection of essential parameters:
• Chemical composition (optical emission spectrometry)
• Mechanical properties (tensile, yield, hardness, and impact on sample pieces)
• Dimensional accuracy (micrometers and ultrasonic gauges; typical tolerance ±1.5% on diameter)
• Surface condition and straightness (visual inspection + laser measurement)
• Internal integrity (ultrasonic testing standard on larger diameters)
● Internal specifications exceed ASTM B148 requirements. Typical C95400 properties: Tensile strength ≥620 MPa, Yield strength ≥275 MPa, Exceptional resistance to corrosion and wear in marine conditions.
● ISO 9001:2015 certified production guarantees consistent, dependable large aluminum bronze round bars for your most challenging projects.