Forging-Grade Aluminum Alloy Billet

Product Specifications

Technical details and manufacturing context for Forging-Grade Aluminum Alloy Billet

Definition

Forging-grade aluminum alloy billet is a semi-finished industrial material specifically engineered for metal forming operations including forging, pressing, and stamping. These billets are produced with controlled metallurgical properties to ensure optimal flow characteristics during plastic deformation. They serve as the primary raw material input for manufacturing high-strength aluminum components across automotive, aerospace, and industrial equipment sectors. The material composition is precisely balanced to maintain structural integrity while allowing complex shape formation under high pressure and temperature conditions.

Typical specifications for this billet include an aluminum content of 99.5–99.9% (ASTM B211), yield strength of 240–310 MPa, tensile strength of 310–380 MPa, elongation of 10–18%, and Brinell hardness of 85–110 HB after T6 heat treatment. Grain size is specified as ASTM 5–8 (ASTM E112), and density ranges from 2.70–2.80 g/cm³ at 20°C. Recommended hot forging temperature is 350–500°C. Available diameters are 50–500 mm with lengths of 1000–6000 mm, and surface finish is Ra 1.6–3.2 μm (ISO 1302). Straightness is ≤1.5 mm/m (ISO 1101), and ultrasonic inspection meets ASTM E127 Class A. Heat treatment is T6 (solution heat-treated and artificially aged).

These billets are intended for use in closed-die forging, open-die forging, and other plastic deformation processes. They are supplied in cut-to-length or custom sizes upon request. Verification of model-specific values and standards with the legal manufacturer or supplier is essential before procurement or application.

Working Principle

Aluminum alloy billets undergo plastic deformation through compressive forces in forging presses, where the material flows to fill die cavities while maintaining metallurgical properties. The billet is heated to the recommended forging temperature range (350–500°C) to reduce flow stress and enhance ductility. During forging, the material is subjected to high pressure, causing it to flow into the die shape. The controlled grain structure and alloy composition ensure uniform deformation and prevent defects such as cracking or porosity. After forging, components may undergo heat treatment (e.g., T6) to achieve desired mechanical properties. The process requires careful control of temperature, strain rate, and lubrication to ensure consistent quality.

Common Materials

Aluminum, Alloying elements (copper, magnesium, silicon, zinc)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Aluminum ContentRequired	99.5–99.9 %	Primary aluminum percentage in alloy compositionASTM B211
Yield StrengthRequired	240–310 MPa	Minimum yield strength at room temperatureASTM B211
ElongationRequired	10–18 %	Percentage elongation at fractureASTM B211
Grain SizeRequired	ASTM 5–8 μm	Average grain diameter in microstructureASTM E112
Forging Temperature RangeRequired	350–500 °C	Optimal temperature range for hot forging operations
Density	2.70–2.80 g/cm³	Material density at 20°CASTM B211
Diameter	50–500 mm	Custom sizes available on request.ASTM B211
Length	1000–6000 mm	Cut-to-length options available.ASTM B211
Tensile Strength	310–380 MPa	Critical for load-bearing components.ASTM B211
Hardness	85–110 HB	Brinell hardness after heat treatment.ASTM E10
Surface Finish	Ra 1.6–3.2 μm	Smooth surface reduces die wear.ISO 1302
Straightness	≤1.5 mm/m	Ensures uniform forging stock.ISO 1101
Ultrasonic Inspection	ASTM E127 Class A	Guarantees internal soundness.ASTM E127
Heat Treatment	T6	Solution heat-treated and artificially aged.ASTM B211

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Aluminum Matrix Part
Primary structural base providing ductility and formability

Material: Pure aluminum with controlled impurities
Alloying Elements Part
Enhance mechanical properties including strength and corrosion resistance

Material: Copper, magnesium, silicon, zinc in precise ratios
Grain Refiners Optional Part
Control microstructure for improved forging characteristics

Material: Titanium, boron, or zirconium compounds

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Forging-Grade Aluminum Alloy Billet.

Manufacturers of Forging-Grade Aluminum Alloy Billet

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Frequently Asked Questions

What is the typical aluminum content of this billet?

The aluminum content is typically 99.5–99.9% as per ASTM B211. However, exact composition may vary by grade and should be confirmed with the supplier.

What is the recommended forging temperature?

The recommended hot forging temperature range is 350–500°C. This range optimizes flow characteristics and minimizes cracking risk.

What heat treatment is applied?

The billet is typically supplied in T6 condition (solution heat-treated and artificially aged) to achieve specified mechanical properties. Confirm with the manufacturer.

Are custom sizes available?

Yes, custom sizes are available on request. Standard diameters range from 50–500 mm and lengths from 1000–6000 mm, but other dimensions may be possible.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 1000 MPa (forging pressure), typical service pressure < 50 MPa
other spec:	Billet diameter: 100-500 mm, length: 1-6 m, grain size: ASTM 5-8
temperature:	350-500°C (forging range), ambient to 200°C (service)

Product Specifications

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