INDUSTRY COMPONENT

Zinc Additive

Zinc additive for enhancing corrosion resistance and mechanical properties in forging-grade magnesium alloys.

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Component Specifications

Definition
A specialized alloying material composed primarily of zinc (typically 95-99% purity) with trace elements like aluminum, manganese, or rare earths, designed for controlled addition to magnesium alloy billets during forging-grade alloy production to improve strength, creep resistance, and corrosion performance through solid solution strengthening and intermetallic phase formation.
Working Principle
Zinc atoms dissolve into the magnesium matrix during alloy melting, forming Mg-Zn solid solutions and intermetallic compounds (like MgZn2) that enhance mechanical properties through precipitation hardening, grain refinement, and improved electrochemical stability.
Materials
High-purity zinc (Zn ≥ 98.5%) with controlled impurities: Fe ≤ 0.005%, Pb ≤ 0.003%, Cd ≤ 0.002%, plus optional alloying elements (Al 0.1-0.5%, Mn 0.1-0.3%) in ingot, pellet, or wire form.
Technical Parameters
  • Form Ingot/Pellet/Wire
  • Size 10-50mm pieces
  • Purity 98.5-99.9% Zn
  • Density 7.14 g/cm³
  • Storage Dry, <30% RH
  • Addition Rate 0.5-6.0 wt%
  • Melting Point 419.5°C
Standards
ISO 16220, ASTM B69, DIN 17743

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Zinc Additive.

zinc additive magnesium alloy forging billet alloying element corrosion resistance mechanical properties ISO 16220 Zinc Additive in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

Forging-Grade Magnesium Alloy Billet

Semi-finished magnesium alloy stock for metal forming processes

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Engineering Analysis

Risks & Mitigation
  • Over-addition causing hot cracking during forging
  • Impurity contamination (Fe, Ni) accelerating corrosion
  • Inhomogeneous distribution leading to property variations
FMEA Triads
Trigger: Inaccurate weighing or feeding system malfunction
Failure: Incorrect zinc concentration causing mechanical property deviations
Mitigation: Automated dosing systems with real-time monitoring and calibration protocols
Trigger: Moisture absorption during storage
Failure: Hydrogen porosity in final casting
Mitigation: Vacuum-sealed packaging and controlled humidity storage

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1% of target addition weight
Test Method
ICP-OES chemical analysis per ASTM E1479, microstructural evaluation per ISO 16220

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the optimal zinc addition percentage for forging-grade magnesium alloys?

Typically 3-6% by weight, depending on the specific alloy system (e.g., AZ31, ZK60) and required properties, with higher additions improving strength but potentially reducing ductility.

How does zinc improve magnesium alloy corrosion resistance?

Zinc stabilizes the protective oxide layer, reduces micro-galvanic corrosion by modifying electrochemical potential, and forms corrosion-resistant intermetallic phases.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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