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+ Graphite Electrode Series
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RP Graphite Electrode

Item

Unit

Nominal Diameter mm

≤ Φ400

≥ Φ450

Resistivity

electrode

μ Ω·m

≤ 8.0

≤ 8.2

nipple

≤ 5.8

≤ 5.8

Bending Strength

electrode

Mpa

≥ 9.0

≥ 8.8

nipple

≥ 18.0

≥ 18.0

Elastic Modulus

electrode

Gpa

≤ 9.5

≤ 9.5

nipple

≤ 14.0

≤ 14.0

Bulk Density

electrode

G/cm3

≥ 1.62

≥ 1.62

nipple

≥ 1.70

≥ 1.70

C.T.E

(100¡«600¡æ)

electrode

10-6/¡æ

≤ 2.2

≤ 2.2

nipple

≤ 2.0

≤ 2.0

ASH

electrode

%

≤ 0.35

≤ 0.35

nipple

≤ 0.35

≤ 0.35

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