All data is for information only------(<---links)
	PRODUCT DATA of Lead

Material	Lead
Chemical Composition	100Pb
CAS Registry ID	7439-92-1

	EXPERIENCE IN PRACTICE

Equivalent Designations

Pb

	PHYSICAL PROPERTIES

Atomic Number	82
Atomic Weight	207 amu
Work Function	4 eV
Crystal Structure	Face centered cubic (fcc)
Specific Gravity	11.4

	ELASTIC PROPERTIES

Tensile Modulus	16.1 GPa
Bulk Modulus	45.8 GPa
Poisson Ratio	0.44
Speed of Sound (longitudinal)	2200 m/s
Speed of Sound (transverse)	700 m/s
Acoustic Impedance	24.6 MRayls

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity	2.06e-7 ohm.m
Superconductivity Critical Temperature	-266 °C

	THERMAL PROPERTIES

Thermal Conductivity	35.3 W/m.K
Thermal Expansion Coefficient	29 μstrain/°C
Melting Range	328 °C
Specific Heat	0.159 J/g.K

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

EMF vs SCE	-0.5 V Remark: Measured in 3.5% NaCl solution Data Quality: Design Data
Sublimation	10-4mm/year at 270°C 10-2mm/year at 330°C 1 mm/year at 430°C

	SPECIAL RECOMMENDATIONS

Lessons Learned

Lead is known to produce a continuum of diverse biological effects in humans, depending on the dose, which are usually associated with high and long-term exposure.