| |
S-200F |
S-200FH |
S-200FC |
S-65 |
I-70H |
I-220H, Gr. 1 |
O-30 |
|
UTS� MPa
(ksi) (spec. min.)
|
324 (47)
|
414 (60)
|
261 (38)
|
289 (42)
|
345 (50)
|
448 (65)
|
400 (50)
|
|
YS� MPa
(ksi) (spec. min.)
|
241 (35)
|
296 (43)
|
171 (25)
|
206 (30)
|
207 (30)
|
345 (50)
|
207(30)
|
|
Modulus GPa (MSI) 4
|
303 (44)
|
303 (44)
|
303 (44)
|
303 (44)
|
303 (44)
|
303 (44)
|
303 (44)
|
|
Elongation at Failure (%) (spec. min.)
|
2
|
3
|
2
|
3
|
2
|
2
|
3
|
|
Precision Elastic Limit (PEL) MPa (ksi)
|
-
|
27 (4) typical
|
-
|
-
|
21 (3)
|
41 (6)
|
17 (2.5)
|
|
Beryllium Assay % (minimum)
|
98.5
|
98.5
|
98.5
|
99
|
99
|
98
|
99
|
|
BeO% (maximum)
|
1.5
|
1.5
|
1.5
|
1.0
|
0.7
|
2.2
|
0.5
|
|
Coeficient of Thermal Expansion @25oC
ppm/oC (ppm/oF) 4
|
11.4 (6.3)
|
11.4 (6.3)
|
11.4 (6.3)
|
11.4 (6.3)
|
11.4 (6.3)
|
11.4 (6.3)
|
11.4 (6.3)
|
|
Thermal Conductivity @25oC W/moK
(BTU ft./ft.2 hr oF) 4
|
216 (125)
|
216 (125)
|
216 (125)
|
216 (125)
|
216 (125)
|
216 (125)
|
216 (125)
|
|
Electrical Conductivity @20oC, %IACS 4
|
40.7
|
40.7
|
40.7
|
40.7
|
40.7
|
40.7
|
40.7
|
|
Specific Heat @ 20o C J/kg/oK
(BTU/lb oF) 4
|
1925 (0.46)
|
1925 (0.46)
|
1925 (0.46)
|
1925 (0.46)
|
1925 (0.46)
|
1925 (0.46)
|
1925 (0.46)
|
|
Density g/cm3 (lb/in3)
|
1.85 (0.067)
|
1.85 (0.067)
|
1.85 (0.067)
|
1.85 (0.067)
|
1.85 (0.067)
|
1.85 (0.067)
|
1.85 (0.067)
|
|
Latent Heat of Fusion, BTU/lb. 4
|
560
|
560
|
560
|
560
|
560
|
560
|
560
|
|
Melting Point oC oF
|
1285 (2345)
|
1285 (2345)
|
1285 (2345)
|
1285 (2345)
|
1285 (2345)
|
1285 (2345)
|
1285 (2345)
|
|
Sonic Velocity M/sec. (ft/sec) 4
|
12,588 (41,300)
|
12,588 (41,300)
|
12,588 (41,300)
|
12,588 (41,300)
|
12,588 (41,300)
|
12,588 (41,300)
|
12,588 (41,300)
|
|
Fracture Toughness K1c Ksi �in - (Mpa �in) 4
|
9-12 (10.6-12.3)
|
9-12 (10.6-12.3)
|
-
|
9-12 (10.6-12.3)
|
9-12 (10.6-12.3)
|
9-12 (10.6-12.3)
|
9-12 (10.6-12.3)
|
|
Powder
|
Impact Ground
|
Impact Ground
|
Impact Ground
|
Impact Ground
|
Impact Ground
|
Impact Ground
|
Gas Atomized Spherical
|
|
Consolidation Process
|
VHP2
|
HIP3
|
CIP1
|
VHP2
|
HIP3
|
HIP3
|
HIP3
|
|
Isotropy
|
Slight Anisotropy
|
Isotropic
|
Slight Anisotropy
|
Slight Anisotropy
|
Isotropic
|
Isotropic
|
Superior Isotropy
|
|
Typical uses
|
Structural
|
Structural High Isotropy
|
Scanning Mirrors
|
Fusion Reactors, Nuclear
|
Optical
|
High PEL / High Strength
|
Optical
|
|
1Cold Isostatically Pressed and Sintered
|
|
2Vacuum Hot Pressed
|
|
3Hot Isostatically Pressed
|
|
4For Reference Only
|
|