Ti-5Al-2.5Sn

Verifiedmetal

Alpha titanium alloy with excellent weldability and cryogenic toughness. 795 MPa yield. Used in cryogenic applications (liquid hydrogen/oxygen), high-pressure gas bottles, and airframe forgings. One of the oldest aerospace titanium alloys.

cryogenicweldablehydrogen servicegas bottlesairframe forgings

Compliance & Regulations

?ITAR?EAR?ISO 10993?Conflict Free?FDA?RoHS?REACH?TSCA

Tempers & Conditions

Annealed

Units:

si imperial

Property OverviewNormalized to typical max values

Property	Value	Unit	Conditions
Compressive Modulus(Ec)	15,500	ksi	22°C · Strip
Ultimate Tensile Strength(σUTS)	124.7	ksi	—
Yield Strength (0.2% offset)(σy)	115.3	ksi	—
Young's Modulus(E)	15,500	ksi	22°C · Strip

Verified Unverified Low confidence (<80%) Link to source

3 interactive curves for this material

Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.

Create free account

Property	Value	Unit	Conditions
CTE vs Temperature(α(T))	Curve (20 pts)	µin/in·°F	—
Specific Heat vs Temperature(Cp(T))	Curve (20 pts)	BTU/(lb·°F)	—
Thermal Conductivity vs Temperature(k(T))	Curve (21 pts)	BTU/(hr·ft·°F)	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)2 entries	0.1619	lb/in³	—
↳	0.1620	lb/in³	22°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

Safety & Biocompatibility

Quality & Standards

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Ti-5Al-2.5Sn

Tempers & Conditions

Mechanical Properties

Thermal Properties

Physical Properties

Regulatory Screening

Environmental

Export Control

Safety & Biocompatibility

Quality & Standards