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C35330 DZR Brass (CW511L)

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C35330 DZR Brass (CW511L)

CDA3533, CDA486, AS-352, Q214 

Cu-Zn alloys containing more than 15% Zn are susceptible to a dealloying process called Dezincification where the selective removal of Zn leaves a relatively porous and weak layer of Cu and Cu oxide. Corrosion of a similar nature continues beneath the primary corrosion layer resulting in gradual replacement of sound brass by weak, porous copper. Unless arrested this corrosion mechanism eventaully penetrates the metal, weakening it structurally and allowing liquids or gasses to leak through this porous mass.

Additions of As (typically 0.02 - 0.25%) to alpha brasses effectively produces high resistance to dezincification at normal operating temperatures. A further addition of Sn (up to 1.5%) further enhances resistance to dezincification and has led to the development of Naval brasses with good resistance in marine environments.

 

Typical Uses

Plumbing:  Plumbers Fittings, Plumbers' Brass Goods

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Cu Fe Pb Zn
Min/Max 59.0 - 63.0 0.07 0.3 Rem
Nominals 60.0000 - - 40.0000
Product Type Temper Type
Bar ASTM B36
Plate ASTM B36
Sheet ASTM B36
Strip ASTM B36
Tube, Condenser ASME SB111, ASTM B111
Tube, Seamless ASTM B135, FEDERAL WW-T-791
Temper Sect. Size Cold Work Type Min Temp Tensile Strength YS
0.05% UL
YS
0.02% Offset
YS
0.005% Offset
Elong. RH
B
RH
C
RH
F
RH
30T
VH
500
BH
500
BH
3000
Shear
Strgth
Fatigue
Strgth
Izod
Impact
Strgth
- in. % - F ksi ksi ksi ksi % B C F 30T 500 500 3000 ksi ksi ft-lb
- mm. - - C MPa MPa MPa MPa - - - - - - - - MPa MPa J
FLAT PRODUCTS
H02 0.04 68 70 50 - - - - - - - - - - 44 -
H02 1 0 TYP 20 483 345 - - 10 75 - - 67 - - - 303 - 0
O60 0.04 68 54 21 - - - - - - - - - - 40 -
O60 1 0 TYP 20 372 145 - - 45 - - 80 46 - - - 276 - 0
M20 0.04 68 54 21 - - - - - - - - - - 40 -
M20 1 0 TYP 20 372 145 - - 45 - - 85 49 - - - 276 - 0
H00 0.04 68 60 35 - - - - - - - - - - 42 -
H00 1 0 TYP 20 414 241 - - 30 55 - - 54 - - - 290 - 0
ROD
H01 1 68 72 50 - - - - - - - - - - 45 -
H01 25.4 0 TYP 20 496 345 - - 25 78 - - - - - - 310 - 0
M30 1 68 52 20 - - - - - - - - - - 39 -
M30 25.4 0 TYP 20 359 138 - - 52 - - 78 - - - - 269 - 0
O60 1 68 54 21 - - - - - - - - - - 40 -
O60 25.4 0 TYP 20 372 145 - - 50 - - 80 - - - - 276 - 0
TUBE
H04 0 68 74 55 - - - - - - - - - - - -
H04 0 30 TYP 20 510 379 - - 10 80 - - - - - - - - 0
O50 0 68 56 23 - - - - - - - - - - - -
O50 0 0 TYP 20 386 159 - - 50 - - 82 47 - - - - - 0
Product Property US Customary Metric
Coefficient of Thermal Expansion 11.6 Ìâåá10-6 per oF (68-572 F) 20.9 Ìâåá 10 6? per Ìâå¡C (20-300 C)
Density 0.303 lb/in3 @ 68 F 8.39 gm/cm3 @ 20 C
Electrical Conductivity 28 %IACS @ 68 F 0.164 MegaSiemens/cm @ 20 C
Electrical Resistivity 37.0 ohms-cmil/ft @ 68 F 6.15 microhm-cm @ 20 C
Melting Point Liquid US 1660 F 904 C
Melting Point Solid US 1650 F 899 C
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Modulas of Rigidity 5600 ksi 38610 MPa
Specific Gravity 8.39 8.39
Specific Heat Capacity 0.09 Btu/lb/Ìâå¡F @ 68 F 377.1 J/kg Ìâåá Ìâå¡K at 293 K
Thermal Conductivity 71.0 Btu Ìâåá ft/(hr Ìâåá ft2 ÌâåáÌâå¡F) @ 68 F 1229.9 W/m Ìâåá Ìâå¡K at 20 C
Joining Technique Suitability
Brazing Excellent
Butt Weld Good
Capacity for Being Cold Worked Fair
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Not Recommended
Forgeability Rating 90
Gas Sheilded Arc Welding Fair
Machinability rating 40
Oxyacetylene Welding Good
Seam Weld Not Recommended
Soldering Excellent
Spot Weld Good
End Product Specification
Bar ASTM B36
Plate ASTM B36
Sheet ASTM B36
Strip ASTM B36
Tube, Condenser ASME SB111, ASTM B111
Tube, Seamless ASTM B135, FEDERAL WW-T-791