RP Graphite Electrode

Specification

Current density ≤18A/cm³

RP graphite electrode is a graphite electrode with ordinary performance, usually used in electric arc furnaces in some ordinary steel smelting and casting processes. RP stands for “regular power”. Compared to UHP and HP graphite electrodes, the performance and quality of RP graphite electrodes are slightly lower.

RP graphite electrodes are usually made of general quality graphite materials and manufactured through general processing techniques. Although the performance of RP graphite electrodes is slightly inferior to UHP and HP graphite electrodes, it still has certain application value in some general industrial production.

The characteristics and advantages of RP graphite electrodes include relatively low price, wide application in general steel smelting and casting processes, general electrical conductivity and thermal stability, etc. In some cases where the electrode requirements are not particularly stringent, RP graphite electrodes can be used as an economical choice.

Product Highlights

General performance: RP graphite electrodes are usually used in general steel smelting and casting processes, and are suitable for situations where the electrode requirements are not particularly strict.
Relatively low cost: Compared with high-performance UHP and HP graphite electrodes, RP graphite electrodes have lower manufacturing costs, so the price is also relatively low.
Widely applicable: RP graphite electrode still has certain application value in general industrial production and is suitable for general steel smelting and casting processes.
General electrical conductivity and thermal stability: Although the performance is slightly lower than high-performance graphite electrodes, RP graphite electrodes still have certain electrical conductivity and thermal stability and can meet the needs of general industrial production.

Technical Specification

Technical Specification of RP Graphite Electrode

Dia.	Resistance	Density	Flexure Strength	Elastic Modulus	Ash Content	CTE	Current Load	Current Density
(inch)	(≤, µΩ·m)	(≥, g/cm3)	(≥, MPa)	(≤, GPa)	(≤, %)	(100 °C – 60 °C)(≤, 10-6/°C)	(A)	(A/cm2)
8	8.5	1.53	8.5	9.3	0.5	2.9	5000–6900	15–21
9	8.5	1.53	8.5	9.3	0.5	2.9	6100–8600	15–21
10	8.5	1.53	8.5	9.3	0.5	2.9	7000–10000	14–20
12	8.5	1.53	8.5	9.3	0.5	2.9	10000–13000	14–18
14	8.5	1.52	7	9.3	0.5	2.9	13500–18000	14–18
16	8.5	1.52	7	9.3	0.5	2.9	18000–23500	14–18
18	8.5	1.52	7	9.3	0.5	2.9	22000–27000	13–17
20	8.5	1.52	7	9.3	0.5	2.9	25000–32000	13–16
22	8.5	1.52	7	9.3	0.5	2.9	32000–40000	13–16
24	8.5	1.52	7	9.3	0.5	2.9	38000–47000	13–16

Graphite Electrode Size & Tolerance

Diameter (mm)					Length (mm)
Nominal Diameter		Actual Diameter			Nominal Length	Tolerance	Short Length
(inch)	(mm)	(max.)	(min.)	(rough spot)	Nominal Length	Tolerance	Short Length
8	200	205	200	197	1600	±100	-275
9	225	230	225	222	1600
10	250	256	251	248	1600/1800
12	300	307	302	299	1600/1800
14	350	357	352	349	1600/1800
16	400	409	403	400	1600/1800/2000/2200
18	450	460	454	451	1600/1800/2000/2200
20	500	511	505	502	1800/2000/2200/2400
22	550	562	556	553	1800/2000/2200/2400
24	600	613	607	604	2000/2200/2400

SpecificationDefect Dimension	Nominal Diameter of Graphite Electrode (mm)
SpecificationDefect Dimension	300–400	450–600
Diameter (mm)	20–40	30–50
Diameter (mm)	(< 20 mm should be negligible)	(< 30 mm should be negligible)
Depth (mm)	5–10	10–15
Depth (mm)	(< 5 mm should be negligible)	(< 10 mm should be negligible)

Application

Related Products

UHP Graphite Electrode



HP Graphite Electrodes



If you're interested in our products or have any questions, please kindly describe your requirement in detail. Our professional team will reply to you as soon as possible.

 [email protected]

Please feel free to contact us!