Large size carbon electrode

Large size carbon electrode

Category Large size carbon electrode

Large size carbon electrode

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Large size carbon electrode

Usage: mainly for melting in submerged arc furnace which are used to make industrial silicon, yellow phosphorous, ferro-alloy, Titania-slag, brown fused alumina and etc. , which can be replaced by similar size of large size RP graphite electrode.

Common size: common size: 870/900/1020/1030/1050/1146/1205/1272mm

Typical property

Item	Unit	S-Grade Carbon Electrode			G-Grade Carbon Electrode
		Nominal Diameter（mm）
		500-700	750-960	1020-1400	500-700	750-960	1020-1400
Bulk Density	g/cm3	≥1.55	≥1.55	≥1.55	≥1.58	≥1.58	≥1.58
Resistance	μΩ.m	≤45	≤45	≤45	≤38	≤38	≤40
Bending Strength	MPa	3.5-7.5	3.5-7.5	3.5-7.0	4.0-7.5	4.0-7.5	4.0-7.5
Compressive Strength	MPa	≥20.0	≥20.0	≥19.0	≥20.0	≥20.9	≥19.0
CTE	10-6/℃	3.2-4.8	3.2-4.8	3.2-4.8	3.0-4.6	3.0-4.6	3.0-4.6
Ash	%	≤2.5	≤2.5	≤2.5	≤2.0	≤0.2	≤0.2

Carbon electrode operation current

Diameter (mm)	S-Grade Carbon Electrode		G-Grade Carbon Electrode
Diameter (mm)	Allowed Current Load (A)	Current Density (A/CM2)	Allowed Current Load (A)	Current Density (A/CM2)
780	31500	6.6	36200	7.6
800	33100	6.6	38100	7.6
850	37400	6.6	43100	7.6
870	38000	6.4	43900	7.4
900	40600	6.4	47000	7.4
920	42500	6.4	49100	7.4
960	46300	6.4	53500	7.4
1005	49900	6.3	57000	7.2
1020	50600	6.2	57900	7.1
1060	54600	6.2	62600	7.1
1100	57900	6.1	66400	7.0
1146	62800	6.1	72100	7.0
1205	69500	6.1	79800	7.0
1250	71100	5.8	82200	6.7
1272	73700	5.8	85100	6.7
1305	74900	5.6	86900	6.5
1321	76600	5.6	88900	6.5
1355	77700	5.4	89400	6.2

Products

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Carbon Electrode

Ferro Silicon

Carburant/Recarburizer

Cored wire

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Category Large size carbon electrode

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