Ti-6Al-4V (Grade 5) vs Titanium Grade 1: 69% composition overlap. Moderate differences, generally not direct substitutes.
Ti-6Al-4V (Grade 5) vs Titanium Grade 1
Side-by-side chemical composition and mechanical property comparison.
Overview
Ti-6Al-4V (Grade 5)
3.7164
The most widely used titanium alloy — accounts for ~50% of all titanium production. Alpha-beta alloy with exceptional strength-to-weight ratio. Used for jet engine components, airframe structures, medical implants (hip/knee), fasteners, and racing components. Biocompatible.
Titanium Grade 1
3.7025
The softest and most ductile commercially pure titanium grade. Lowest O content (0.18% max) for maximum formability. Used for plate heat exchangers, chemical plant vessels, explosive cladding, deep-drawn parts, and anodizing applications. Lower strength than Grade 2 but superior formability.
| Ti-6Al-4V (Grade 5) | Titanium Grade 1 | |
|---|---|---|
| Material Number | 3.7164 | 3.7025 |
| Category | Titanium | Titanium |
| Standard | ASTM B265 | ASTM B265 |
Chemical composition (wt%)
| Element | Ti-6Al-4V (Grade 5) | Titanium Grade 1 | Overlap |
|---|---|---|---|
| C | 0–0.08% | 0–0.08% | OK |
| V | 3.5–4.5% | — | — |
| Al | 5.5–6.75% | — | — |
| Ti | — | ≥ 99% | — |
Mechanical properties
| Property | Ti-6Al-4V (Grade 5) | Titanium Grade 1 | Unit |
|---|---|---|---|
| tensile_strength | ≥ 895 | 240–310 | MPa |
| yield_strength | ≥ 828 | ≥ 170 | MPa |
| elongation | ≥ 10 | ≥ 24 | % |
Compatibility Assessment
Ti-6Al-4V (Grade 5) and Titanium Grade 1 have moderate differences (69% overlap). They are generally not direct substitutes. Consider the specific requirements of your application.
Automated assessment based on composition analysis
Frequently Asked Questions
Is Ti-6Al-4V (Grade 5) the same as Titanium Grade 1?
Ti-6Al-4V (Grade 5) and Titanium Grade 1 have a 69% composition overlap. They are generally not directly interchangeable.
Can I replace Ti-6Al-4V (Grade 5) with Titanium Grade 1?
Generally not recommended. The compositions differ significantly (69% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between Ti-6Al-4V (Grade 5) and Titanium Grade 1?
The main differences are in the following elements: overall alloying content. Ti-6Al-4V (Grade 5) is a Titanium grade, while Titanium Grade 1 is a Titanium grade.
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Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.