C46400 CW712R BS2874 ASTM B21 CuZn38Sn1 CuZn36Sn1Pb (EU)

CZ112 (CW712R)

  Category:ASTM Wrought Copper Alloy Type:Naval Brass  
Chemical Composition mass/%
Cu Sn Al Fe Mn Ni Pb Si P Zn
59-62 0.5-1.0 _ 0.1 _ _ 0.2 _ _ Rem
Mechanical properties
Tensile strength Mpa(Min) Yield strength MPa(Min) Elongation % Brinell hardness(HB)
380-600 170-450 Jun-50 106-200
Note: 1、In Chemical Composition, Single values represent maximums. 2、Mechanical performance of hardness value is only for reference

CZ112 (CW712R)

CZ112 (CW712R) is commonly referred to as naval brass due its corrosion resistance in seawater and other mildly aggressive environments. The alloy contains 62% copper and 37% zinc, with a 1% tin addition for improved corrosion resistance and a harder and stronger duplex structure to improve the mechanical properties. CZ112 (CW712R) has good strength levels combined with an excellent hot formability.

Related Specifications of CZ112 (CW712R)

  • C46400
  • CW712R
  • BS2874
  • ASTM B21
  • CuZn38Sn1
  • CuZn36Sn1Pb (EU)

Nominal Composition of CZ112 (CW712R)

Cu 62%, Zn 37%, Sn 1%

Mechanical Properties of CZ112 (CW712R)

Ultimate Tensile Strength (N/mm²) Proof Stress (N/mm²) Elongation (%) Hardness (HB)
350-400 15-20

Key Features of CZ112 (CW712R)

  • Very good corrosion resistance in marine environments
  • Excellent hot formability

Applications of CZ112 (CW712R)

Offshore & marine | Marine hardware, tube plates and fasteners for corrosion-resistant service Other | High strength cold-headed products and fasteners