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  • Industrial
  • Fasteners
  • Marine
  • Electrical

Typical Uses

Electrical Connectors, Fasteners Stripped Nuts, Industrial Welding Jaws, Pickling Hooks, High Strength Clamps, Valve Bodies, Pickling Baskets, Bearing Segment for the Steel Industry, Large Hold Down Screws, Pressure Blocks for the, Steel Industry, Gears, Cams, High Temperature Applications, Mining Machine Parts, Marine Covers for Marine Hardware, Marine Equipment

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 min9.0-11.00.8-1.5

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 Rating55

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 – Solidus1904 F1040 C
Density0.272 lb/in3 at 68 F7.53 gm/cm3 at 20 C
Specific Gravity7.537.53
Electrical Resistivity80.2 ohms-cmil/ft at 68 F13.33 microhm-cm at 20 C
Electrical Conductivity13 %IACS at 68 F0.075 MegaSiemens/cm at 20 C
Thermal Conductivity36.3 Btu · ft/(hr · ft2·°F) at 68 F62.8W/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 Tension16000 ksi110000 MPa
Magnetic Permeability*1.0701.07

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