Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate
Scope:
ASTM B265 covers flat-rolled titanium and titanium alloy products, including:
Strip (thin, coiled material)
Sheet (flat, under 6.35 mm or 0.250")
Plate (flat, 6.35 mm or thicker)
These are intended for:
Aerospace
Medical
Marine
Industrial and chemical processing
Heat exchangers and structural applications
Applicable Grades and UNS Designations
|
Grade |
UNS Number |
Description |
|
Gr 1 |
R50250 |
CP titanium, soft, highly ductile |
|
Gr 2 |
R50400 |
Most common CP grade, good strength |
|
Gr 3 |
R50550 |
Higher strength CP titanium |
|
Gr 4 |
R50700 |
Strongest CP grade |
|
Gr 5 |
R56400 |
Ti-6Al-4V, high strength alloy |
|
Gr 7 |
R52400 |
CP + Pd, excellent corrosion resistance |
|
Gr 9 |
R56320 |
Ti-3Al-2.5V, strong and weldable |
|
Gr 12 |
R53400 |
Ti-0.3Mo-0.8Ni, corrosion-resistant alloy |
|
Gr 23 |
R56401 |
Ti-6Al-4V ELI, medical/aerospace use |
Other grades available upon agreement (e.g. Gr 11, Gr 16, Gr 17).
Dimensions
|
Product Type |
Thickness Range |
Width |
Length |
|
Strip |
~0.076–0.76 mm (0.003–0.030”) |
Usually ≤ 600 mm |
Coiled or cut-to-length |
|
Sheet |
~0.76–6.35 mm (0.030–0.25”) |
Up to 1220 mm |
Custom cut lengths |
|
Plate |
> 6.35 mm (0.25”) |
Up to 2500 mm |
Length per order |
Dimensional Tolerances
Thickness Tolerance:
Depends on thickness and whether product is strip, sheet, or plate (as per ASTM B265 Tables 3–6). Typically tighter tolerances are available for strip and cold-rolled sheet.
Width Tolerance:
±1.6 mm typical, more precise by agreement.
Flatness & Camber:
Controlled especially for aerospace and medical sheet. Flatness may vary depending on product width and thickness.
Mechanical Properties (Annealed Condition)
|
Grade |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
|
Gr 1 |
≥ 240 |
≥ 170 |
≥ 24 |
|
Gr 2 |
≥ 345 |
≥ 275 |
≥ 20 |
|
Gr 5 |
≥ 895 |
≥ 828 |
≥ 10 |
|
Gr 7 |
≥ 345 |
≥ 275 |
≥ 20 |
|
Gr 9 |
≥ 620 |
≥ 483 |
≥ 15 |
|
Gr 12 |
≥ 483 |
≥ 345 |
≥ 18 |
Alloys can be supplied in different conditions (annealed, cold worked, etc.).
Testing and Quality Requirements
Chemical composition per ASTM E539 or E2922
Mechanical testing (tensile, elongation) per ASTM E8
Bend test (for sheet/strip under 4.75 mm)
Ultrasonic testing (for thick plate, optional or by agreement)
Grain size, microstructure checks (for aerospace/medical grades)
Marking and Certification
Each product must be clearly marked with:
Manufacturer name/logo
ASTM B265
Grade
Heat number
Thickness, width, and other dimensions
Condition (annealed, cold rolled, etc.)
Mill Test Report (MTR) must include:
Chemical composition
Mechanical properties
Heat treatment or condition
Conformance to ASTM B265
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