United States · ASTM

B502

ASTM B502:2010 — Standard Specification for Aluminum-Clad Steel Core Wire for Use in Overhead Electrical Aluminum Conductors

Mechanical properties

value range by condition
Tensile strength Rm≥1344 MPaElongation A≥1.5 %Wires, normalized , > 1.956 <= 3.274 mmTensile strength Rm≥1310 MPaElongation A≥1.5 %Wires, normalized , > 3.275 <= 3.477 mmTensile strength Rm≥1275 MPaElongation A≥1.5 %Wires, normalized , > 3.478 <= 3.665 mmTensile strength Rm≥1241 MPaElongation A≥1.5 %Wires, normalized , > 3.666 <= 3.934 mm

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Wires, normalized , > 1.956 <= 3.274 mm≥1344≥1.5 Lo=250mm
Wires, normalized , > 3.275 <= 3.477 mm≥1310≥1.5 Lo=250mm
Wires, normalized , > 3.478 <= 3.665 mm≥1275≥1.5 Lo=250mm
Wires, normalized , > 3.666 <= 3.934 mm≥1241≥1.5 Lo=250mm
Wires, normalized , > 3.935 <= 4.115 mm≥1206≥1.5 Lo=250mm
Wires, normalized , > 4.116 <= 4.392 mm≥1172≥1.5 Lo=250mm
Wires, normalized , > 4.393 <= 4.620 mm≥1137≥1.5 Lo=250mm
Wires, normalized , > 4.621 <= 4.775 mm≥1103≥1.5 Lo=250mm
Wires, , > 1.956 <= 2.283 mm≥1450≥1.5 Lo=250mm
Wires, , > 2.284 <= 3.3045 mm≥1410≥1.5 Lo=250mm
Wires, , > 3.046 <= 3.553 mm≥1380≥1.5 Lo=250mm
Wires, , > 3.554 <= 4.775 mm≥1340≥1.5 Lo=250mm