ASTM F67 Gr2 Titanium Sheet

Biocompatibility: suitable for use in human implants as it rarely causes adverse reactions and is compatible with human tissue.
Corrosion resistance: it shows excellent resistance to corrosion in a variety of environments, including seawater and most acid and alkali solutions.
Balance of strength and toughness: although pure titanium, it still maintains good overall mechanical properties for applications that require a certain level of strength and good plasticity.
Low density: Lower density than steel and many other metals, suitable for parts requiring reduced weight.

 

Standard	Title	Application
ASTM F67	Standard Specification for Unalloyed Titanium for Surgical Implant Applications	Primary global standard for implantable pure titanium
ISO 5832-2	Implants for Surgery - Metallic Materials - Part 2: Unalloyed Titanium	International standard, harmonized with ASTM F67
GB/T 13810	Titanium and Titanium Alloy Plate for Surgical Implants	Chinese national standard
JIS T 7401-1	Titanium Materials for Surgical Implants	Japanese standard

 

Element	ASTM F67 Grade 2 (wt%)	ASTM B265 Grade 2 (wt%)	Significance
Titanium	Balance	Balance	-
Nitrogen, max	0.012	0.03	Tighter control prevents embrittlement
Carbon, max	0.06	0.08	Lower carbon improves ductility
Hydrogen, max	0.010	0.015	Critical for hydrogen embrittlement prevention
Iron, max	0.20	0.30	Tighter control for consistency
Oxygen, max	0.25	0.25	Same - controls strength
Residuals, each max	0.05	0.10	Tighter impurity control
Residuals, total max	0.20	0.40	Tighter impurity control

 

First-class Gr2 titanium sheet production process

 

Mechanical Properties
Hardness, Knoop	170	170
Hardness, Rockwell B	80	80
Hardness, Vickers	145	145
Tensile Strength, Ultimate	344 MPa	49900 psi
Tensile Strength, Yield	275 - 410 MPa	39900 - 59500 psi
Elongation at Break	20 %	20 %
Reduction of Area	35 %	35 %
Modulus of Elasticity	105 GPa	15200 ksi	In Tension
Compressive Modulus	110 GPa	16000 ksi
Poisson's Ratio	0.37	0.37
Izod Impact	114 - 171 J	84.1 - 126 ft-lb
Fatigue Strength	300 MPa	43500 psi	1E+7 cycles, Unnotched
Fatigue Strength	425 MPa	61600 psi	30,000 cycles, Unnotched
Fracture Toughness	66 MPa-m½	60.1 ksi-in½	K(Q); annealed
Shear Modulus	45 GPa	6530 ksi

1. Raw material preparation: High purity titanium raw materials are selected to ensure the purity and properties of the final product.
2. Smelting: Remove impurities from the raw material and ensure the chemical composition is up to standard through Vacuum Arc Removal (VAR) or other advanced melting techniques.
3. Forging/Rolling: After melting, the titanium ingot is forged or hot rolled several times to form the required thickness and size of the sheet, while its microstructure is optimised by heat treatment.
4. annealing: in order to eliminate internal stresses and improve the plasticity and toughness of the material, the plates are usually annealed.
5. machining: according to the need, the plate is mechanically processed by cutting, stamping, drilling, etc. to achieve the size and shape of the final product.

 

Parameter	ASTM F67 Grade 2	ASTM B265 Grade 2	Significance
Primary standard	Surgical implants	Industrial applications	Not interchangeable
Nitrogen, max	0.012%	0.03%	F67 ensures maximum ductility, fracture resistance
Carbon, max	0.06%	0.08%	F67 reduces carbide embrittlement risk
Hydrogen, max	0.010%	0.015%	F67 critical for hydrogen embrittlement prevention
Residuals, each	0.05% max	0.10% max	Tighter impurity control
Residuals, total	0.20% max	0.40% max	Tighter impurity control
Microstructure	Fine equiaxed alpha, no alpha case	No requirement	F67 mandates implant-grade structure
Alpha case	Zero tolerance	No requirement	Brittle surface layer prohibited
Ultrasonic inspection	Typically 100%	Optional	F67 ensures internal soundness
Traceability	Full heat traceability required	Commercial traceability	F67 required for regulatory compliance
Quality system	ISO 13485	ISO 9001	Medical device quality management
Certification	MTR with actual values	MTR typical	F67 requires full disclosure

 

 

The company has obtained iso9001:2015 quality management system certification, iso14001:2015 environmental management system certification, ISO 45001:2018 occupational health and safety management system certification, PED 2014/68/EU Pressure Equipment Directive certification, DNV-GL material manufacturer certification, SGS product quality certification and other certificates and qualifications. We strictly implement GB/T 3639-2009, ASTM A519, DIN2391, JIS G3445 and other national and international standards to ensure the quality of our products.
 

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