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  • Industrial
  • Fasteners
  • Marine
  • Electrical

Typical Uses

Electrical Connectors, Pump Parts, Valves, Valve Seats, Acid Resistant Pumps, Bearings, Bushings, Gears, Plungers, Marine Hardware, Covers for Marine Hardware, Propellers, Marine Engines, Ordnance Gun Mountings, Gun Slides, Fasteners Nuts, Industrial Large Gear Parts, Pickling Tanks, Mild Alkali Applications, Hot Mill Guides, High Strength Clamps, Hydrant Parts, Welding Jaws, Pickling Equipment, Worm Wheels, Worms, Pump Rods, Valve Bodies, Wear Plates, Thrust Pads, Bearing Lin

Bar Length : 10ft - 12ft
Square : up to 5''
Hollow : 1 1/2"X3/4" - 11 1/2"X10 1/2"
Round : 1" - 11 3/4"
Rectangle : up to 11'' W
Product availabillity


Chemical Composition

(%max, unless shown as range or min)

Min/Max86.0 min8.50-9.52.5-4.0

Applicable Specifications

* ASTM B505
* SAE J461, SAE J462

Fabrication Processes

* Continuous Casting

Fabrication Properties

Joining TechniqueSuitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingExcellent
Coated Metal Arc WeldingGood
Machinability Rating60

Mechanical Properties (ASTM B505)

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

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 – Liquidus1913 F1045 C
Melting Point – Solidus1907 F1042 C
Density0.267 lb/in3 at 68 F7.64 gm/cm3 at 20 C
Specific Gravity7.647.64
Electrical Resistivity94 ohms-cmil/ft at 68 F15.63 microhm-cm at 20 C
Electrical Conductivity11 %IACS at 68 F0.064 MegaSiemens/cm at 20 C
Thermal Conductivity29.1 Btu · ft/(hr · ft2·°F) at 68 F50.4 W/m ·°K at 20 C
Coefficient of Thermal Expansion9.0·10-6 per °F (68-572 F)16.2·10-6 per °C (20-300 C)
Specific Heat Capacity0.09 Btu/lb/°F at 68 F377.1J/kg · °K at 20 C
Modulus of Elasticity in Tension15000 ksi103400 MPa
Magnetic Permeability*1.11.2
Poisson’s Ratio0.310.31

* TQ 50 Temper, Field Strength 16 kA/m
** As Cast, Field Strength 16 kA/m