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 ASTM B505; SAE621; SAE J462; SAE J461

  • Industrial
  • Marine
  • Fasteners
  • Plumbing

Typical Uses

Industrial Pump Impellers, Pump Parts, Valve Bodies, High Pressure Hydraulic Equipment, Bushings, Bearings, Gears, Piston Rings, Fasteners Nuts, Plumbing High Pressure Steam Equipment, Builders Hardware Structural Castings

Bar Length : 10ft - 12ft
Rectangle : up to 11'' W
Square : up to 5''
Hexagonal : up to 3''
Hollow : 1"X1/2" - 11 1/2"X10 1/2"
Round : 3/8" - 11 3/4"
Product availabillity


Chemical Composition


Note: Cu + Sum of Named Elements, 99.5% min.

* In Determining Cu min, Cu may be calculated as Cu + Ni.

Applicable Specifications

*ASTM B505
*SAE621; SAE J462; SAE J461

Fabrication Processes

Joining TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Machinability Rating42

Mechanical Properties (ASTM B505)

Tensile Strength, minAYield Strength, at 0.5% Extension Under Load, minAElongation in 2 in.
or 50 mm, min, %
40 27619 13116

A Minimum tensile strength and yield strength shall be reduced 10% for cast bars having a cross section, thickness, diameter, or wall of 4 in. (102 mm) or more. The cross sections are the diameter of a round solid, the distance across the flats of a solid hexagon, the thickness of a rectangle, and the wall thickness of a tube.

Physical Properties

US CustomaryMetric
Melting Point – Liquidus1830 F999 C
Melting Point – Solidus1570 F854 C
Density0.317 lb/in3 at 68 F8.77 gm/cm3 at 20 C
Specific Gravity8.7708.77
Electrical Resistivity85.9 ohms-cmil/ft at 68 F14.29 microhm-cm at 20 C
Electrical Conductivity12 %IACS at 68 F0.07 MegaSiemens/cm at 20 C
Thermal Conductivity43.2 Btu · ft/(hr · ft2·°F) at 68 F74.8 W/m ·°K at 20 C
Coefficient of Thermal Expansion10.0 . 10-6 per oF (68-572 F)18.0 . 10-6 per oC (20-200 C)
Specific Heat Capacity0.090 Btu/lb/°F at 68 F377.1 J/kg · °K at 20 C
Modulus of Elasticity in Tension14000 ksi96500 MPa
Magnetic Permeability1.01.0