Ti-6Al-4V ELI Titanium Bar | Grade 23 ASTM F136 Bar

Ti-6Al-4V ELI (Grade 23) Titanium Bar for Implant and High-Toughness Parts

Beiyu supplies Grade 23 titanium bar in Ti-6Al-4V ELI (Extra Low Interstitials), the high-purity version of the Grade 5 alloy. The lower oxygen and iron content of ELI gives improved ductility and fracture toughness, which is why Grade 23 is used for surgical implant and medical-related components as well as demanding low-temperature and high-toughness applications.

Grade 23 bar should be quoted by diameter, condition, tolerance and the controlling specification, because implant and critical applications usually require strict chemistry control and traceability.

Grade and Standards

Size, Tolerance and Surface Condition

The tightened tolerance and any grain-size or hydrogen requirement are worth agreeing at enquiry rather than after the order, because both are set on the line and neither is corrected afterwards. Larger diameters outside the ground bar range are supplied peeled or turned, reviewed against the drawing before quotation.

Common Applications

Inspection and Documentation

Five inspections run at 100 percent on the precision finished bar route, meaning every bar rather than a sample from the lot. Chemistry and tensile testing are sampled instead, because both destroy the specimen.

The ultrasonic setting behind the words "ultrasonic tested"

Those six lines are worth writing onto a purchase order rather than accepting the words "ultrasonic tested", because a scan only becomes a meaningful pass or fail examination once the method, the coverage, the calibration reflector and the acceptance class are all fixed. The flat bottom hole is a calibration target, not a statement that every discontinuity of that size is detected.

Documentation

Material behind Beiyu mill products is produced on a triple vacuum arc remelt route, meaning the manufacturing mill remelts the ingot three times under vacuum. A third remelt is bought for cleanliness rather than for compliance: melt count is not what a chemistry table checks, so a double melted heat can satisfy the same composition limits. Ask which supporting records are available for the material being quoted; the document scope is agreed at enquiry.

Packaging and Export Information

Grade 23 titanium bar is protected against surface damage and contamination, and marked by grade and heat number where traceability is required. Packing is selected by diameter, length and shipment method.

RFQ Information Needed

• Grade and standard: Grade 23 / Ti-6Al-4V ELI, ASTM F136 or B348
• Diameter, length and tolerance
• Condition, chemistry and mechanical property requirement
• Surface and cleanliness requirement
• Quantity, destination and packing
• Certificate, traceability and inspection requirements

FAQ

What is the difference between Grade 5 and Grade 23 titanium?

Grade 23 is the ELI (Extra Low Interstitials) version of Grade 5 Ti-6Al-4V, with lower oxygen and iron for improved ductility and fracture toughness, which suits implant and fracture-critical use.

Which standard applies to Grade 23 implant bar?

ASTM F136 is commonly used for Ti-6Al-4V ELI surgical implant material; ASTM B348 may apply for general bar.

What documents can be provided?

Mill test certificate, EN10204 3.1 documentation, heat number traceability and chemical/mechanical reports can be supplied when specified.

Procurement Notes for Grade 23 Ti-6Al-4V ELI Bar

Grade 23 titanium bar is usually purchased for medical, aerospace or fracture-critical parts where lower interstitial Ti-6Al-4V ELI chemistry is required. RFQs should state ASTM F136, AMS 4930 or the applicable customer specification, plus diameter, length, tolerance, annealed condition, surface finish and quantity. Do not assume general Grade 5 bar is acceptable for Grade 23 applications.

Useful documentation requirements include chemical composition, mechanical properties, heat traceability, MTC, EN10204 3.1, ultrasonic inspection and PMI where specified. For medical-related machining, include final component type, drawing revision, machining allowance, straightness, cleanliness and packaging requirements. Acceptance should follow the buyer's controlled specification rather than generic titanium alloy wording.

Include drawing revision, lot size and required certificate format.