230

Physical Properties:

Composition (Percent)	Copper 84 min. 86 max. Lead .05 Iron .05 Zinc Remainder
Nearest Applicable ASTM Specifications	B111, B135, B359, B395, B543
Melting Point (Liquidus)	1880 F
Density	.316 lb / cu in. @ 68 F
Specific Gravity	8.75
Cold Working Capacity	Excellent
Hot Forming Capacity	Good
Hot Forgeability Rating	n/a (Forging Brass = 100)
Hot Working Temperature	1450 - 1650 F or 800 - 900 C
Annealing Temperature	800 - 1350 F or 425 - 725 C
Machinability Rating	30 (Free Cutting Brass = 100)


	Mechanical Properties for 1.00 OD x .065 Wall Tubing:

Temper	Tensile Strength	Yeild Strength*	Elongation in 2 in.	Rockwell Hardness (F)	Rockwell Hardness (B)	Rockwell Hardness (30T)	Shear Strength
.050 mm	40.0 ksi	12.0 ksi	55 %	60	---	15	---
.025 mm	44.0 ksi	18.0 ksi	45 %	71	---	38	---
Light Drawn	50.0 ksi	40.0 ksi	30 ksi	---	55	54	---
Hard Drawn	70.0 ksi	58.0	8 %	---	77	68	---


		* (.5% Ext. under Load)

	Drawn - General Purpose (H58)Temper is used for general purpose tube only, usually where there is no real requirement for high strength or hardness on the one hand or for bending qualities on the other.

	Hard Drawn (H80)Temper is used only where there is need for a tube as hard or as strong as is commercially feasible for the size in question.

	Light Drawn - Bending (H55)Temper is used only where a tube of some stiffness, but yet capable of readily being bent (or otherwise moderately cold worked) is needed.

	Typical Uses: etching parts, trim, conduit, screw shell, sockets, fasteners, fire extinguishers, condenser and heat exchanger tubes, felible hose, plumbing pipe, pump lines, pipe service lines, lipstick containers, costume jewelry.
	The values listed above represent reasonable approximations suitable for general engineering use. They should not be used for specification purposed. See applicable A.S.T.M specification references.

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