Physical/Mechanical Properties

UNIT Mo Moly TZM Ta Nb W Rh Zr

Typical Commercial Purity 99.95% Mo - 99.4
Ti - .5
Zr - .08 99.9% 99.9% 99.95% 99.0% 99.0%

Specification(s) ASTM B-386
B-387 B-386
B-387 B-364
B-365
B-521 B-391
B-392
B-393
B-394 B-760
(inactive)
F-288 B-349
B-350
B-351
B-352
B-353

Mil ———- ———- ———- ———- ———- ———- ———-

AMS ———- ———- ———- ———- ———- ———- ———-

SAE-AMS ———- ———- ———- ———- ———- ———- ———-

Density cm/ cc 10.22 10.22 16.6 8.57 19.3 21.03 6.53

lbs/ sq inch 0.369 0.369 0.600 0.310 0.697 0.760 0.236

Melting Point Celcius 2623 2623 3017 2477 3422 3180 1852

Fahrenheit 4753.4 4753.4 5463 5463 6191.6 5756 3370

Boiling Point Celcius 4612 4612 5425 4744 5644 5627 4377

Fahrenheit 8335 8335 9797 8571 10211 10160.6 7911

Typical Hardness DPH (vickers) 230 280 200 130 310 150

Rockwell C

Thermal Conductivity
(@ 20° C) cal/sec/cm₂/cm° 0.35 0.13 0.126 0.397 0.17

Coefficient of Thermal Expansion °C x 10_-6 4.9 6.5 7.1 4.3 6.6

Electrical Resistivity Microohms-cm 5.7 13.5 14.1 5.5 19.1 40

Electrical Conductivity %IACS 34 13.9 13.2 31 9.3

Tensile Strength
(ksi)

Ambient 120-200 35-70 30-50 100-500 200

500°C 35-85 25-45 20-40 100-300 134

1000°C 20-30 13-17 "5-15 50-75 68

Minimum Elongation
(1 inch gage) 24

Modulus of Elasticity
10₆psi

Ambient 45 27 15 59 67

500°C 41 25 13 55 55

1000°C 39 22 11.5 50

	UNIT	Mo	Moly TZM	Ta	Nb	W	Rh	Zr
Typical Commercial Purity		99.95%	Mo - 99.4 Ti - .5 Zr - .08	99.9%	99.9%	99.95%	99.0%	99.0%
Specification(s)	ASTM	B-386 B-387	B-386 B-387	B-364 B-365 B-521	B-391 B-392 B-393 B-394	B-760 (inactive) F-288		B-349 B-350 B-351 B-352 B-353
	Mil	———-	———-	———-	———-	———-	———-	———-
	AMS	———-	———-	———-	———-	———-	———-	———-
	SAE-AMS	———-	———-	———-	———-	———-	———-	———-
Density	cm/ cc	10.22	10.22	16.6	8.57	19.3	21.03	6.53
Density	lbs/ sq inch	0.369	0.369	0.600	0.310	0.697	0.760	0.236
Melting Point	Celcius	2623	2623	3017	2477	3422	3180	1852
Melting Point	Fahrenheit	4753.4	4753.4	5463	5463	6191.6	5756	3370
Boiling Point	Celcius	4612	4612	5425	4744	5644	5627	4377
Boiling Point	Fahrenheit	8335	8335	9797	8571	10211	10160.6	7911
Typical Hardness	DPH (vickers)	230	280	200	130	310		150
Typical Hardness	Rockwell C
Thermal Conductivity (@ 20° C)	cal/sec/cm₂/cm°	0.35		0.13	0.126	0.397	0.17
Coefficient of Thermal Expansion	°C x 10_-6	4.9		6.5	7.1	4.3	6.6
Electrical Resistivity	Microohms-cm	5.7		13.5	14.1	5.5	19.1	40
Electrical Conductivity	%IACS	34		13.9	13.2	31	9.3
Tensile Strength (ksi)
	Ambient	120-200		35-70	30-50	100-500	200
	500°C	35-85		25-45	20-40	100-300	134
	1000°C	20-30		13-17	"5-15	50-75	68
Minimum Elongation (1 inch gage)							24
Modulus of Elasticity 10₆psi
	Ambient	45		27	15	59	67
	500°C	41		25	13	55	55
	1000°C	39		22	11.5	50

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Physical/Mechanical Properties