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Maryland Metrics: Titanium Ti-6Al-4V Grade 5 (R56400) Specifications

TITANIUM ALLOY
Ti - 6AI - 4V
ASTM GRADE (UNS NO.)
Grade 5 (R56400)
Chemical Composition (wt. %)
(Max. values unless range is shown)
0.08C; 0.25Fe; 0.05N; 0.20O; 5.50-6.75Al; 3.5-4.5V; 0.0100H (billet); 0.0125H (bar); 0.0150H (sheet)
TENSILE PROPERTIES
Guar.R.T.
Min.*
Typical Elevated Temperature Properties
150C(300F)
260C(500F)
370C(700F)
Ultimate Strength
MPa (ksi)
896 (130)
845 (121)
758 (110)
690 (100)
Yield Strength,
0.2% offset
MPa (ksi)
827 (120)
724 (105)
641 (93)
565 (82)
Elongation in 51 mm
(2") gage length
(%)
10
16
17
18
Reduction in Area -
Bar, Billet & Forging only
(%)
25
35
40
45
OTHER MECHANICAL PROPERTIES
*Mill-Annealed Condition (MA)

Stress to Rupture
in Time Shown

Stress
MPa (ksi)
 
724 (105)
620 (90)
Time-Hrs. at Temp. (C)  
1000 (315)
1000 (400)
Stress & Time to
Produce Elongation
Shown (creep)
Stress
MPa (ksi)
 
483 (70)
296 (43)
Time-Hrs. at Temp. (C)  
100 (315)
100 (371)
Creep
(%)
 
0.1
0.1
Charpy V-Notch
Impact @ R.T.
Joules
(ft-lbs)
20 - 27 (15 - 20)
Bend Radius Under 1.78 mm (0.070") thick
4.5 x Thickness
1.78 mm (0.070") and over

5.0 x Thickness

Welded Bend Radius
6.0 - 10.0 x Thickness
Nominal Hardness
33 HRC
PHYSICAL PROPERTIES
 
Nominal Beta
Transus
C (F)
996 (1825)
Coefficient of
Thermal Expansion

10-6/C
(10-6/F)
0-100C (32 -212F)

9.0 (5.0)

0-315C (32-600F)
9.5 (5.3)
0-538C (32-1000F)
10.1 (5.6)
0-648C (32-1200F)
10.6 (5.9)
0-816C (32-1500F)
11.0 (6.1)
Density
g/cm3 (lbs/in3)
4.43 (0.160)
Melting
Point,
Approx.
C (F)
1650 (3000)
Electrical
Resistivity
@ R.T.
10-6 ohmcm
(10-6 ohmin)
171 (434)
Modulus of
Elasticity ­
Tension
GPa (103 ksi)
114 (16.5)
Modulus of
Elasticity ­
Torsion
GPa (103 ksi)
42 (6.1)
Thermal
Conductivity
W/mC (BTU/hrftF)
6.6 (3.8)
Specific
Heat
J/KgC (BTU/lbF)
565 (0.135)
Weldability
Very Good
Industry Specifications
ASTM - B265, B348, B381, B861, F467 and F468;
AMS - 4911, 4928, 4935, 4965 and 4967;
MIL-T - 9046 and 9047


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