Forging Brass, UNS C37700, M30 Temper, Rod

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Forging Brass, UNS C37700, M30 Temper, Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Temper: As Hot Extruded Fabrication Properties: Excellent Suitability – Soldering, Capacity for Being Hot Formed; Good Suitability – Brazing; Fair Suitability – Butt Weld; Poor Suitability – Capacity for Being Cold Worked Common Fabrication Processes: Hot Forging and Pressing; hot heading and upsetting; Machining Typical uses: Decorative Knobs; Door Handles; Furniture Hardware; Valve Bodies for Refrigeration, Chemicals; Golf Putters; Valve Bodies for Agricultural Spray Tanks; Valve Bodies for Scuba & Propane Spray Tanks; Covers; Fuse Bodies; Forgings and Pressings of All Kinds; Valve Components Applicable Specifications: Bar – Forgings ASTM B124/B124M; Die – Forgings SAE J463, Forgings SAE J461, Forgings AMS 4614; Forgings, Die (Hot Pressed) – ASTM B283/B283M, ASME SB283; Rod – Forgings ASTM B124/B124M, Forgings AMS 4614; Rod, Bar & Shapes – ASTM B981/B981M; Shapes – Forgings ASTM B124/B124M
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Physical Properties	Metric	English	Comments

Density	8.44 g/cc	0.305 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell F	78 @Thickness 25.4 mm	78 @Thickness 1.00 in
Tensile Strength	>= 359 MPa @Thickness 25.4 mm	>= 52000 psi @Thickness 1.00 in
Tensile Strength, Yield	138 MPa @Thickness 25.4 mm	20000 psi @Thickness 1.00 in	0.5% Ext
Elongation at Break	45 % @Thickness 25.4 mm	45 % @Thickness 1.00 in
Tensile Modulus	103 GPa	15000 ksi
Modulus of Rigidity	38.6 GPa	5600 ksi
Poissons Ratio	0.34	0.34	Calculated
Machinability	80 %	80 %
Forgeability	100 %	100 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000640 ohm-cm	0.00000640 ohm-cm	27% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	20.7 µm/m-°C @Temperature 20.0 - 300 °C	11.5 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	9.94 W/m-K	69.0 BTU-in/hr-ft²-°F
Melting Point	882 - 893 °C	1620 - 1640 °F
Solidus	882 °C	1620 °F
Liquidus	893 °C	1640 °F
Annealing Point	427 - 593 °C	800 - 1100 °F

Processing Properties	Metric	English	Comments
Hot-Working Temperature	649 - 816 °C	1200 - 1500 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	58 - 61 %	58 - 61 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Lead, Pb	1.5 - 2.5 %	1.5 - 2.5 %
Zinc, Zn	36.2 - 40.5 %	36.2 - 40.5 %	As Balance

References for this datasheet.

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MC37700x1 / 292950

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