Compare Copper Alloys Vs. Aluminum and Steel

Alloy UNS No.	Description	Nominal Properties
		Thermal Conductivity	Rockwell Hardness	Tensile Strength*
				(ksi) MPa
COPPER
C62400	Aluminum Bronze	36.0	B 92	105
		62.3		725
C17200	BeCu - High Hardness	60.6	C 41	190
		104.8		1311
C17200	BeCu - Moderate Hardness	75.7	C 30	170
		131.0		1173
C17510	BeCu - High Conductivity	135.0	B 96	110
		233.6		759
C18200/18400	Cr - Hardened Copper	187.0	B 60-80	51-70
		325.5		352-483
C64700	NiSi - Hardened Copper	94.0	B 94	105
		162.6		725
C18000	NiSiCr - Hardened Copper	125.0	B 94	100
		216.3		690
ALUMINUM
A96061	Type 6061 T6	96.5	B 60	40
		166.9		276
A97075	Type 7075 T6	75.0	B 88	67
		129.8		462
STEEL
S42000	Type 420 Stainless Steel	14.4	C 27-52	125-250
		24.9		863-1725
T20813	H-13 Tool Steel	14.4	C 38-54	206
		24.9		1421
T51620	P-20 Tool Steel	22.0	C 28-50	146
		38.1		1007

* For 1-inch rod; properties vary with product form and size.
Note: The copper alloys are also available in cast versions with similar properties.

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