CZ128 Forging Brass

CZ128 Forging Brass Specification

Material
Brass

Product Type
Architecture, Builders Hardware

Processing Type
Extruded & Drawn

Tolerance
1.5 to 125 Millimeter (mm)

Finish
Extruded & Drawn

Application
Automotive, Builders Hardware, Consumer Fasteners, Industrial Plumbing

Usage
Automotive, Builders Hardware, Consumer Fasteners, Industrial Plumbing

Color
Golden

Surface Finishing
Bright

Dimension (L*W*H)
16 Foot (ft)

Size
1.5mm to 125mm

Grade
CZ128

Alloy
Yes

Temper
1/2 Hard

Length
16 Foot (ft)

Shape
Round

Diameter
1.5 Inch (in)

Warranty
NA

CZ128 Forging Brass Trade Information

Minimum Order Quantity
2000 Kilograms

Delivery Time
3 Week

About CZ128 Forging Brass

CZ128 is a machining brass which combines the contrasting material Properties of machining and cold working exceptionally well. This material is therefore well established in various industries as the standard alloy for machining and cold Working.

Chemical Composition

Elements	Min (%)	Max (%)
Cu	58.50	61.00
Pb	1.50	2.50
Fe	-	0.20
Total Others	-	0.50
Zn	Remainder

Mechanical Properties According To BS2874 (As Per Temper M)

Range (mm)	From	To	UTS Min (N/mm2)	PS Min	Elongation Min (%)	Hardness Min	Hardness Max
Round (Dia)	6	18	380	-	22	-	-
18	40	380	-	22	-	-
40	75	350	-	25	-	-
Hex (A/F)	6	18	380	-	22	-	-
18	40	380	-	22	-	-
40	70	350	-	25	-	-
Square (A/F)	6	18	380	-	22	-	-
18	40	380	-	22	-	-
40	60	350	-	25	-	-
Rectangle (Thickness)	6	18	380	-	22	-	-
18	40	380	-	22	-	-
40	50	350	-	25	-	-

Physical Properties

Density	8.44 g/cm
Electrical Conductivity % IACS at 68F	24
Thermal Conductivity Btu/ sq ft/ ft hr/ F at 68F	109 W/m K
Thermal expansion coefficient	20.4 10-6/K
Modulus of Elasticity	102 Gpa

Fabrication Properties

Machinability (CuZn39Pb3 = 100 %)	90%
Capacity for being cold worked	fair
Capacity for being hot worked	excellent
Resistance welding (butt weld)	good
Inert gas shielded arc welding	poor
Gas welding	Poor
Hard soldering	fair
Soft soldering	excellent
Melting range	895-900 C
Hot working	650-750 C
Soft annealing	450-650 C (13 hr)
Thermal stress relieving	200-300 C (1-3 hr)