Species	Melting Point	A		B		C		D 

Silver	1234		-7E-10		4E-7		-.0008		4.506

Copper	1356		-9E-10		2E-6		-.0019		4.4396

Iron	1810		0		4E-7		-.0012		1.0236		
(armco)	(don't use above 1600K)		            

Lead	600		-3E-9		4E-6		-.0014		.5017

Gold	1336		-8E-10		2E-6		-.0016		3.5548

Aluminum 933		-8E-10		6E-7		-.0003		2.4437

Zinc	693		4E-10		-4E-7		-.0004		1.359

Tin	505		-4E-9		5E-6		-.0023		1.0351

Ceramic	N/A		-2E-11		7E-8		-7E-5		.0563
(Pyrocram Brand Glass-Ceramic code 9606)

Glass	N/A		6E-11		-9E-8		6E-5		.0006
(corning code 7740 glass)

**********************
polynomial of the form:
k = A*T^3 + B*T^2 + C*T +D

where T is in Kelvin, k is in Watts/cm/K