CZ133

CZ133 is commonly referred to as a naval brass and issued typically in a wide range of marine and subsea Applications. This brass alloy offers superior strength and corrosion resistance and offers good property retention at cryogenic temperatures. With excellent hot formability and very good corrosion resistance.

Chemical Composition

Elements Min (%) Max (%)
Cu 59.00 62.00
Pb 0.20
Sn 0.50 1.00
Fe 0.10
Total Others 0.40
Zn Remainder

Mechanical properties according to BS2874 (as per temper M)

Range (mm) UTS Min
(MPa)
UTS Max
(MPa)
PS Min
(MPa)
Elongation Min
(%)
Hardness Min
(HRB)
Hardness Max
(HRB)
Round (Dia) 6 18 400 170 20
18 40 350 150 25
Hex (A/F) 6 18 400 170 20
18 40 350 150 25
Square (A/F) 6 18 400 170 20
18 40 350 150 25
Rectangle Thickness 6 18 400 170 20
18 40 350 150 25

PHYSICAL PROPERTIES
Melting Points – Liquidus °F 1650
Melting Point – Solidus °F 1630
Density lb/cu in. at 68°F 0.304
Specific Gravity 8.41
Electrical Conductivity % IACS at 68°F 26
Thermal Conductivity Btu/Sq ft/ft hr/°F at 68°F 67
Coefficient of Thermal Expansion 68–572 × 10⁻⁶ per °F (68–572°F) 11.8
Specific Heat Capacity Btu/lb/°F at 68°F 0.09
Modulus of Elasticity in Tension ksi 15000
Modulus of Rigidity ksi 5600
FABRICATION PROPERTIES
Technique Suitability
Capacity for Being Cold Worked Fair
Hot Worked Excellent
Machinability Rating 30%
Forgeability Rating 90%
Silver Alloy Brazing Excellent
Soft Soldering Excellent
Oxyacetylene Welding Good

Typical Uses

Fasteners

Fasteners

Industrial

Industrial

Marine

Marine