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250mm RP Graphite Electrode Physical characteristics
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Items
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RP
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||
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250-300mm
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350-550mm
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Resistivity(Max)
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Electrode
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μΩ·m
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8.0
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Nipple
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7
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Bending Strength(Min)
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Electrode
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Mpa
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7.8
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6.4
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Nipple
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13.0
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Elastic Modulus |
Electrode
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Gpa
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9.3
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Nipple
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14.0
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Bulk Density |
Electrode
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g/cm3
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1.52
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Nipple
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1.68
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Ash(Max)
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Electrode
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%
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0.5
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Nipple
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||||
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CTE(Max)
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Electrode
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10-6/°C
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2.9
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Nipple
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2.8
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250mm RP Graphite Electrode Packing & Delivery
The graphite electrode is packed with wooden case and wooden frame bottom bracket, and bound with packed steel belt.
250mm RP Graphite Electrode
250mm RP Graphite Electrode
The 250mm graphite electrode is primarily used in ladle furnaces and electric arc furnace (EAF) steelmaking. It offers high electrical conductivity, precise finishing, excellent oxidation resistance, and the ability to generate intense heat in extreme smelting environments. To ensure superior performance, we use high-quality, low-ash, and low-sulfur raw materials in production. These materials prevent the formation of secondary impurities during smelting, making the electrodes widely applicable and reliable.
Market Overview of Graphite Electrodes in China
Nearly 30% of China's graphite electrodes are exported, while domestic demand is concentrated in four key industries:
EAF steelmaking: 35%
Submerged arc furnace smelting for yellow phosphorus: 9%
Abrasives: 8%
Industrial silicon: 5%
Demand from other industries is minimal.
Safety Marking on Finished Electrodes
Finished electrodes are marked with a safety wire on the corresponding surface at the bottom of the joint hole for identification and quality assurance.
250mm RP Graphite Electrode FAQ
1. What is a 250mm RP graphite electrode used for?
A 250mm RP graphite electrode is mainly used in small and medium electric arc furnaces, foundry furnaces, and ferroalloy melting operations.
2. What is the difference between RP and HP graphite electrodes?
RP graphite electrodes are designed for regular power furnace operations, while HP graphite electrodes support higher current density and higher furnace power.
3. What lengths are available for 250mm graphite electrodes?
Common lengths include 1800mm, 2100mm, and 2400mm. Customized lengths can also be produced.
4. Which nipple types are available for 250mm RP graphite electrodes?
Common connection options include T3, T4, and T5 taper threads.
5. Can 250mm RP graphite electrodes be used for ferroalloy furnaces?
Yes. They are widely used in ferroalloy and silicon-based alloy furnaces requiring stable regular power operation.
6. How should graphite electrodes be stored?
Graphite electrodes should be stored in a dry environment and protected from moisture, impact, and contamination before furnace use.
Contact Us for 250mm RP Graphite Electrode
Looking for reliable 250mm RP Graphite Electrode for your electric arc furnace, foundry, or ferroalloy production?
We provide graphite electrodes with customized specifications, including:
Diameter and length options
RP / HP / UHP grades
T3 / T4 / T5 nipple connections
Export standard packaging
Application-based technical support
Contact our team for product specifications, quotation, and technical consultation.
Email: inquiry@zaferroalloy.com WhatsApp: +86 15518824805
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