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Ti 662 Titanium Bar

Ti-662 Titanium Bar is a high-strength alpha-beta titanium alloy engineered for structural, aerospace, and deep-sea applications requiring advanced mechanical performance and long-term fatigue resistance.

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Product Introduction

Compared to standard Grade 5 (Ti-6Al-4V), the Ti-662 alloy incorporates iron and copper elements to deliver higher load-bearing capacity and improved deep hardenability while maintaining excellent low density and corrosion resistance.

Ti662 titanium bar

Specifications

Product	Specification(mm)	Grade	Standard	Ultrasonic Standard	Grade of Microstructure	Surface Roughness	Tolerance Range
Billet, Bar & Rod	Ø(5-400) x L	Ti662	AMS 4971	STD-2154	ETTC2 A1-A9	1.6-3.2μm	H6-H11

Mechanical Properties (Typical)

Density:	~4.51 g/cm³
Tensile Strength:	930–1100 MPa (Annealed) / up to 1200 MPa (STA)
Yield Strength:	820–980 MPa (Annealed) / ≥ 1000 MPa (STA Condition)
Elongation:	8–14%
Note:	All values are based on ASTM test standards and may vary depending on section size and heat treatment conditions.

Key Features

Delivers a typical tensile strength up to 1200 MPa in the STA condition, offering significantly higher load capacity than standard Grade 5 titanium.

Maintains uniform core strength and a stable alpha-beta grain structure in large diameters up to 400 mm, minimizing stress distortion and warping during high-speed CNC machining.

Optimized iron (Fe) and copper (Cu) additions stabilize the microstructure, allowing components to withstand extreme structural fatigue without weight penalties.

Features a self-passivating titanium oxide surface layer that provides long-term resistance against localized pitting in seawater and acidic chemical media.

Target Applications

Aerospace airframe structures, landing gear parts, and rocket motor cases.

Offshore oil & gas downhole equipment, marine fasteners, and subsea valves.

High-stress motorsport suspension and drive train components.

Strict Quality Control

To ensure zero-defect delivery, every production batch undergoes mandatory non-destructive and destructive evaluations:

Ultrasonic Testing (UT)

Certified to AMS 2154 Class A. Zero internal cracks, voids, or foreign inclusions.

Material Test Certificate (MTC)

Issued per EN 10204 3.1, including exact chemical composition analysis and mechanical tensile reports.

Third-Party Inspection

Fully compatible with SGS, TÜV, and BV inspection protocols prior to dispatch.

titanium bar

FAQ

Q: What is the standard lead time for a 100 kg MOQ order?

A: Typically 15 to 25 days, depending on the required diameter and surface finish (peeled or ground).

Q: Can you provide third-party testing reports before shipment?

A: Yes. In addition to our standard EN 10204 3.1 MTC, we fully support and coordinate independent testing by SGS, TÜV, or BV at your request.

Q: How do you guarantee the core quality of large-diameter (e.g., 300-400mm) bars?

A: Every large bar undergoes 100% ultrasonic testing (AMS 2154 Class A) and strict heat treatment controls to ensure uniform grain structure from surface to core.

Q: What packaging do you use to prevent surface damage during ocean freight?

A: Bars are packed with individual protective sleeves and securely fastened inside heavy-duty, export-standard wooden cases to prevent shifting and moisture.

Q: Do you offer custom length cutting, or only random lengths?

A: We provide precise custom length cutting to your exact specifications to help reduce your machining waste and preparation time.

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