C69430 Silicon Red Brass

Chemical Composition:

As

Cu

Fe

Pb

Si

Zn

Min/Max

0.03 - 0.06

80.0 - 83.0

0.2

0.3

3.5 - 4.5

Rem

Nominals

0.04

81.5

-

-

4

14.5

Applicable Specifications

Product

Specification

Rod

ASTM B371

Fabrication Properties

Joining Technique

Suitability

Brazing

Excellent

Butt Weld

Good

Capacity for Being Cold Worked

Good

Capacity for Being Hot Formed

80

Coated Metal Arc Welding

Good

Forgeability Rating

80

Gas Shielded Arc Welding

Good

Machinability Rating

30

Oxyacetylene Welding

Good

Seam Weld

Good

Soldering

Excellent

Spot Weld

Good

Physical Properties

Product Property

US Customary

Metric

Coefficient of Thermal Expansion

11.2 ·10-6 per oF (68-572 F)

20.2 10-6 per oC (20-300 C)

Density

0.26 lb/in3 at 68 F

8.19 gm/cm3 @ 20 C

Electrical Conductivity

6 %IACS @ 68 F

0.036 MegaSiemens/cm @ 20 C

Electrical Resistivity

167.0 ohms-cmil/ft @ 68 F

27.76 microhm-cm @ 20 C

Melting Point - Liquidus

1685 F

918 C

Melting Point - Solidus

1510 F

819 C

Modulas of Elasticity in Tension

16000 ksi

110000 Mpa

Specific Gravity

8.19

8.19

Specific Heat Capacity

0.09 Btu/lb/oF at 68 F

377.1 J/kg oK at 293 K

Thermal Conductivity

15.0 Btu ft/(hr · ft2oF)at 68F

26.0 W/m · oK at 20 C

Sizes Available

WIRE

1mm TO 8 mm

HOLLOW RODS

Min Bore Size 20 mm and Max OD 100 mm

ROUND RODS

6mm To 130 mm

HEX

5mm To 60mm

SQUARE

4mm To 60mm

FLAT

5mm Min Thickness and max Width 120mm

PROFILES / SECTIONS

AS per Customer Drawing

BILLETS

Up to 200mm

INGOTS

AS per Specification