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Proven to Perform

ATI Ta40Nb^™

UNS R05240

Product Documents

Product Specifications By Form

Bar

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Nb	35.0	42.0
W	0.050
Mo	0.020
O	0.020
Ti	0.010
Ni	0.010
Fe	0.010
N	0.010
C	0.010
Si	0.005
H	0.0015
Ta	Balance

Specifications

ASTM B521, B708

Billet

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Nb	35.0	42.0
W	0.050
Mo	0.020
O	0.020
Ti	0.010
Ni	0.010
Fe	0.010
N	0.010
C	0.010
Si	0.005
H	0.0015
Ta	Balance

Specifications

ASTM B521, B708

Plate

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Nb	35.0	42.0
W	0.050
Mo	0.020
O	0.020
Ti	0.010
Ni	0.010
Fe	0.010
N	0.010
C	0.010
Si	0.005
H	0.0015
Ta	Balance

Tensile Strength

ksi	MPa
35 min	241 min

Yield Strength

ksi	MPa
15 min - 20 max	103 min - 138 max

Elongation

25% min

Specifications

ASTM B521, B708

Rod

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Nb	35.0	42.0
W	0.050
Mo	0.020
O	0.020
Ti	0.010
Ni	0.010
Fe	0.010
N	0.010
C	0.010
Si	0.005
H	0.0015
Ta	Balance

Specifications

ASTM B521, B708

Tube

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Nb	35.0	42.0
W	0.050
Mo	0.020
O	0.020
Ti	0.010
Ni	0.010
Fe	0.010
N	0.010
C	0.010
Si	0.005
H	0.0015
Ta	Balance

Tensile Strength

ksi	MPa
40 min	226 min

Yield Strength

ksi	MPa
28 min	193 min

Elongation

20% min

Specifications

ASTM B521, B708

Contact

Contact

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