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Medical Titanium Rods

This Medical Titanium Rods specification covers the chemical, mechanical, and metallurgical requirements for wrought titanium Ti6Al4V ELI Titanium Rods(extra low interstitial) to be used in the manufacture of surgical implants.

Product Introduction

One of medical titanium rods's main advantages in medical is its high strength-to-density ratio. Surgeons and other medical professionals will find it easier to perform delicate procedures with titanium medical equipment because it is nearly half as light and has the same strength as steel equipment.

Osseointegration is a one-of-a-kind phenomenon in which titanium makes it possible for natural bone and tissue to bond to the dental or medical implant, firmly anchoring it in place.

Importantly, the human body does not reject titanium rod medical because they are biocompatible. They are also non-ferromagnetic, so MRI and NMRI scans can still be performed safely on patients with titanium implants.

1. Terminology

1.1 Definition of terms specific to this standard ASTM F136:

1.1.1 Beta transit, n-the minimum temperature at which the alpha plus beta phase can transform to 100% beta phase.

1.1.2 lot, n- the total number of mill products produced from one heat under the same condition at essentially the same time.

2. Material and manufacture

2.1 the various titanium mill products covered in this specification normally are formed with the conventional forging and rolling equipment found in primary ferrous and nonferrous plants. The alloy is usually multiple melted in furnaces(including furnaces such as plasma arc and electron beam) of a type conventionally used for reactive metals.

2.2 Finish- The mill product may be furnished to the implant manufacturer as mechanically descaled or pickled abrasively blasted, chemically milled, ground, machined, peeled, polished, combinations of these operations, or as specified by the purchaser. On billets, bars, plates and forgings, it is permissible to remove minor surface imperfections by grinding if the resultant sear meets the dimensional and surface finish requirements of this specification.

2.3 Condition-Material shall be furnished in the annealed or cold-worked condition. Mechanical properties for conditions other than those listed in table 1 and table 1 may be established by agreement between the supplier and the purchaser.

Table 1 Annealed mechanical Properties of medical titanium rod, Wire and Forgings

Nominal diameter or distance between parallel sides. (mm)

Tensile Strength

min. Mpa

Yield Strength

(0.2% offset))min. Mpa

Elongation A in 4D or

4W min. %

Under 4.75 thickness or diameter

860

795

10

4.75 to under 44.45 .incl

860

795

10

44.45 to under 63.5.incl

825

760

8

63.5 to under 101.6.incl

825

760

8

Table 2 Annealed Mechanical Properties of Sheet, Strip and Plate

Nominal diameter or distance between parallel sides. (mm)

Tensile Strength

min. Mpa

Yield Strength

(0.2% offset))min. Mpa

Elongation A in 4D or

4W min. %

Under 4.75 thickness or diameter

860

795

10

4.75 to under 44.45 .incl

860

795

10

44.45 to under 63.5.incl

825

760

8

63.5 to under 101.6.incl

825

760

8

Titanium rod is a popular choice for medical implants for several reasons:

Biocompatibility: medical titanium rods are biocompatible, which means that it does not react with the human body and is not toxic or harmful to living tissue. This makes it a safe material for use in medical implants.

Corrosion resistance: titanium rod medical is highly resistant to corrosion, which means that it can withstand the corrosive environment of bodily fluids and is less likely to break down or deteriorate over time.

Strength and durability: ASTM F136 Titanium rod is a strong and durable material, which means that it can withstand the stress and pressure of everyday use in the human body.

Lightweight: Titanium medical rod is a lightweight material, which makes it easier for patients to carry the implant and reduces the risk of complications or discomfort.

Imaging compatibility: medical grade titanium rod is compatible with medical imaging techniques such as X-rays and MRI, which makes it easier for doctors to monitor the implant and the surrounding issue.

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