Grade 702 Zirconium, Commercially Pure

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Grade 702 Zirconium, Commercially Pure
Categories:	Metal; Nonferrous Metal; Zirconium Alloy; Pure Element
Material Notes:	Characteristics: Ductile Mechanical Properties similar to titanium and austenitic stainless steel Excellent corrosion resistance Forms stable oxide layer Highly anisotropic Applications: Chemical processing equipment Machining Parameters: Use slow speeds, heavy feeds and flood cooling with a water-soluble oil lubricant
Key Words:	UNS R60702, Zircadyne® 702
Vendors:	Eagle Alloys Corporation is a leading supplier of quality metals and alloys. Our staff prides itself on working fast, efficiently and courteously to get you the information you need. Call (800) 237-9012 or visit www.EagleAlloys.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	6.50 g/cc	0.235 lb/in³
Vapor Pressure	0.0000133 bar @Temperature 2000 °C	0.0100 torr @Temperature 3630 °F
	1.20 bar @Temperature 3600 °C	900 torr @Temperature 6510 °F

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell A	49	49	Estimated from Vickers
Hardness, Rockwell B	78	78	Estimated from Vickers
Hardness, Vickers	150	150	Annealed Sample
Tensile Strength, Ultimate	>= 379 MPa	>= 55000 psi
	140 MPa @Temperature 400 °C	20300 psi @Temperature 752 °F
	205 MPa @Temperature 300 °C	29700 psi @Temperature 572 °F
	230 MPa @Temperature 200 °C	33400 psi @Temperature 392 °F
	350 MPa @Temperature 100 °C	50800 psi @Temperature 212 °F
	450 MPa @Temperature 20.0 °C	65300 psi @Temperature 68.0 °F
Tensile Strength, Yield	80.0 MPa @Temperature 400 °C	11600 psi @Temperature 752 °F
	90.0 MPa @Temperature 300 °C	13100 psi @Temperature 572 °F
	150 MPa @Temperature 200 °C	21800 psi @Temperature 392 °F
	260 MPa @Temperature 100 °C	37700 psi @Temperature 212 °F
	325 MPa @Temperature 20.0 °C	47100 psi @Temperature 68.0 °F
	>= 207 MPa @Strain 0.2 %	>= 30000 psi @Strain 0.2 %
Elongation at Break	16 %	16 %	in 50 mm
	21 % @Temperature 400 °C	21 % @Temperature 752 °F
	32 % @Temperature 20.0 °C	32 % @Temperature 68.0 °F
	38 % @Temperature 100 °C	38 % @Temperature 212 °F
	50 % @Temperature 300 °C	50 % @Temperature 572 °F
	56 % @Temperature 230 °C	56 % @Temperature 446 °F
Modulus of Elasticity	99.3 GPa	14400 ksi
Poissons Ratio	0.35	0.35
Fatigue Strength	60.0 MPa @# of Cycles 3.00e+7	8700 psi @# of Cycles 3.00e+7	notched
	125 MPa @# of Cycles 500000	18100 psi @# of Cycles 500000	notched
	145 MPa @# of Cycles 3.00e+7	21000 psi @# of Cycles 3.00e+7	unnotched
	175 MPa @# of Cycles 5000	25400 psi @# of Cycles 5000	unnotched
Shear Modulus	36.2 GPa	5250 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000397 ohm-cm	0.0000397 ohm-cm	Temp Coefficient is 0.0044/°C at 20°C
Magnetic Susceptibility	0.00000134	0.00000134	cgs/g; pure Zr
Critical Magnetic Field Strength, Oersted	47	47	Pure Zr
Critical Superconducting Temperature	0.595 - 0.625 K	0.595 - 0.625 K	pure Zr

Thermal Properties	Metric	English	Comments
Heat of Fusion	250 J/g	108 BTU/lb
Heat of Vaporization	6490 J/g	2790 BTU/lb
CTE, linear	5.89 µm/m-°C @Temperature 25.0 °C	3.27 µin/in-°F @Temperature 77.0 °F
	6.30 µm/m-°C @Temperature 250 °C	3.50 µin/in-°F @Temperature 482 °F
	6.90 µm/m-°C @Temperature 500 °C	3.83 µin/in-°F @Temperature 932 °F
Specific Heat Capacity	0.285 J/g-°C	0.0681 BTU/lb-°F
Thermal Conductivity	22.0 W/m-K	153 BTU-in/hr-ft²-°F
Melting Point	1852 °C	3366 °F
Boiling Point	4377 °C	7911 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.32	0.32	650 nm; unoxidized pure Zr sample; total

Component Elements Properties	Metric	English	Comments
Fe + Cr	0.20 %	0.20 %
Hafnium, Hf	<= 4.5 %	<= 4.5 %
Oxygen, O	0.16 %	0.16 %
Zirconium, Zr	>= 99.2 %	>= 99.2 %	includes Hf

Descriptive Properties
Alpha Phase Crystal Structure	hcp		< 865°C
Beta Phase Crystal Structure	bcc		> 865°C

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Grade 705 Zirconium (Zr-2.5Nb)
Zircaloy-4 Zirconium Alloy
Reactor Grade Zirconium
Zirconium, Zr
Zr-2.5Nb Zirconium Alloy, Nuclear Grade

MZRI00 / 14570

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message