Editorial Technical Reference

Magnesium Die Casting

This page explains how Magnesium Die Casting is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Magnesium die casting is a high-volume manufacturing process that produces lightweight, complex-shaped metal parts with excellent strength-to-weight ratio.

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Product Specifications

Technical details and manufacturing context for Magnesium Die Casting

Definition

Magnesium die casting is used to produce components for automotive, aerospace, electronics, and power tool industries where weight reduction is critical. Parts are specified by dimensions, wall thickness, tolerances, and material grade, typically AZ91D or AM60B. Grades differ in alloying elements, affecting mechanical properties and corrosion resistance. The process involves injecting molten magnesium into a steel mold at high pressure, enabling thin walls and intricate geometries.

Working Principle

Molten magnesium alloy is forced into a hardened steel die at high pressure (up to 1500 bar) and high speed, filling the cavity rapidly before solidification. The rapid cooling and pressure retain fine grain structure, yielding high strength and dimensional accuracy. After solidification, the die opens and the part is ejected, ready for trimming and finishing.

Common Materials

AZ91D, AM60B, AE44, AZ31B

Technical Parameters

Parameter	Typical range	Notes & selection driver
Wall Thickness	0.5–12 mm	Typical range for structural parts; thinner walls possible with advanced process control.
Dimensional Tolerance	±0.05 mm	General tolerance for die castings; tighter tolerances achievable with post-machining.ISO 8062-3
Density	1.8–1.9 g/cm³	Approximately 75% lighter than steel and 35% lighter than aluminum.
Tensile Strength	230–280 MPa	Typical for AZ91D; varies with alloy and heat treatment.ASTM B94
Yield Strength	150–200 MPa	Typical for AZ91D; higher for AM60B.ASTM B94
Elongation at Break	2–10 %	AZ91D typically 2-4%, AM60B up to 10%.ASTM B94
Hardness (Brinell)	60–90 HB	Typical for AZ91D.ASTM B94
Maximum Operating Temperature	120–150 °C	Continuous service; higher for creep-resistant alloys like AE44.
Corrosion Resistance	Salt spray 48–96 hours	Typical for AZ91D without coating; improves with surface treatment.ASTM B117
Surface Roughness	0.8–3.2 µm Ra	As-cast finish; can be polished or coated.
Minimum Draft Angle	0.5–1.0 °	Required for easy ejection from die.
Casting Porosity	≤ 5 %	Acceptable level for structural parts; lower for pressure-tight applications.ASTM E505
Heat Treatment	T4, T5, T6	Optional; T6 for highest strength, T5 for stress relief.ASTM B94
Machining Allowance	0.5–1.0 mm	Typical stock for subsequent machining operations.

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

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Magnesium Die Casting.

Published Manufacturer Relationships

Source-reviewed profile relationships currently associated with Magnesium Die Casting

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Data Basis

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Preliminary Technical Classification

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