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CuZn37Pb2Sn1 - Laiton naval

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CuZn37Pb2Sn1 - Laiton naval

ASTM B21, AMS 4611

Grande ductilité ; conductivité électrique et thermique élevées; haute résistance aux chocs; une bonne résistance au fluage; facilité de soudage et faible volatilité sous un vide élevé.

Utilisations types du laiton naval C48500 "à forte teneur en plomb":

ÉLÉMENTS DE FIXATION: attaches

INDUSTRIEL: tiges de soupape; roulements légers; engrenages; pièces de machine à vis

MARITIME: quincaillerie maritime; tiges de soupape pour eau de mer

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Chemical Composition
Temper
Mechanical Properties
Physical Properties
Fabrication
Specifications
Cu Fe Pb Sn Zn
Min/Max 59.0 - 62.0 0.1 1.3 - 2.2 0.5 - 1.0 Rem
Nominals 60.5000 - 1.8000 0.7000 37.5000
Product Type Temper Type
Bar ASTM B21, FEDERAL QQ-B-639
Bar, Forging ASTM B124
Forgins, Die ASTM B283
Plate FEDERAL QQ-B-639
Rod ASTM B21
Rod, Forging ASTM B124
Shapes ASTM B21
Shapes, Forging ASTM B124
Sheet FEDERAL QQ-B-639
Strip FEDERAL QQ-B-639
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
O60 1 68 57 25 - - - - - - - - - - 36 -
O60 25.4 0 TYP 20 393 172 - - 40 55 - - - - - - 248 - 0
H01 1 68 69 46 - - - - - - - - - - 39 -
H01 25.4 8 TYP 20 476 317 - - 20 78 - - - - - - 269 - 0
H02 1 68 75 53 - - - - - - - - - - 40 -
H02 25.4 20 TYP 20 517 365 - - 15 82 - - - - - - 276 - 0
Product Property US Customary Metric
Coefficient of Thermal Expansion 11.8 Ìâåá10-6 per oF (68-572 F) 21.2 Ìâåá 10 6? per Ìâå¡C (20-300 C)
Density 0.305 lb/in3 @ 68 F 8.44 gm/cm3 @ 20 C
Electrical Conductivity 26 %IACS @ 68 F 0.152 MegaSiemens/cm @ 20 C
Electrical Resistivity 39.9 ohms-cmil/ft @ 68 F 6.63 microhm-cm @ 20 C
Melting Point Liquid US 1650 F 899 C
Melting Point Solid US 1630 F 888 C
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Modulas of Rigidity 5600 ksi 38610 MPa
Specific Gravity 8.44 8.44
Specific Heat Capacity 0.09 Btu/lb/Ìâå¡F @ 68 F 377.1 J/kg Ìâåá Ìâå¡K at 293 K
Thermal Conductivity 67.0 Btu Ìâåá ft/(hr Ìâåá ft2 ÌâåáÌâå¡F) @ 68 F 116.0 W/m Ìâåá Ìâå¡K at 20 C
Joining Technique Suitability
Brazing Good
Butt Weld Fair
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Good
Coated Metal Arc Welding Not Recommended
Forgeability Rating 90
Gas Sheilded Arc Welding Not Recommended
Machinability rating 70
Oxyacetylene Welding Not Recommended
Seam Weld Not Recommended
Soldering Excellent
Spot Weld Not Recommended
End Product Specification
Bar ASTM B21, FEDERAL QQ-B-639
Bar, Forging ASTM B124
Forgins, Die ASTM B283
Plate FEDERAL QQ-B-639
Rod ASTM B21
Rod, Forging ASTM B124
Shapes ASTM B21
Shapes, Forging ASTM B124
Sheet FEDERAL QQ-B-639
Strip FEDERAL QQ-B-639