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Product Name:Graphite electrode
Product features:graphite electrode mainly in petroleum coke and needle coke as raw material, coal tar pitch as binder, calcination, batching, mixing kneading, pressing, baking and graphitization, machining and made, in electric arc furnace steelmaking in arc form release electric can as conductor of the furnace heating and melting. According to the height of the graphite electrode quality index, can be divided into ordinary power (RP), high power (HP) and ultra high power (UHP).
Product parameters:
| Graphite electrode specification and allowable deviation |
| Diameter(mm) | Length(mm) |
Nominal Diameter
| Actual Diameter
| Nominal Length
| Allowable Deviation
| Short Length |
| mm | inch | max | min | mm | mm | max | min |
| 300 | 12 | 307 | 302 | 1600
1800 | ±100 | -100 | -275 |
| 350 | 14 | 357 | 352 |
| 400 | 16 | 409 | 403 |
| 450 | 18 | 460 | 454 |
| 500 | 20 | 511 | 505 | 1600/1800/
2000/2200
1800/2000/
2200 | ±100 | -100 | -275 |
| 550 | 22 | 556 | 553 |
| 600 | 24 | 613 | 607 |
| Physical and chemical indexes of graphite electrode |
| Item | Unit | Diameter 300-600mm |
| Nominal | Actual |
| 电极 | 接头 | 电极 | 接头 |
| 电阻 | μΩm | 9.0-10.5 | 8.5 | 8.0-9.0 | 6.5 |
| 抗折强度 | MPa | 6.4-7.8 | 13 | 9.0-10 | 15 |
| 弹性模具 | GPa | 9.3 | 14 | 9 | 13.7 |
| 灰分 | % | 0.5 | 0.5 | 0.5 | 0.5 |
| 体密 | g/cm3 | 1.52 | 1.68 | 1.56-1.62 | 1.7 |
| 热膨胀系数 (100 - 600 ℃ ) | ×10 -6 /℃ | 2.9 | 2.8 | 2.4 | 2.2 |
| 石墨电极表面质量 |
1.电极表面缺陷或孔洞不多于两处，其尺寸不超过下表。
2.电极表面无横裂纹，宽0.3-1.0mm纵向裂纹，其长度不大于电极周长的 5%，宽度不小于0.3mm的纵向裂纹不计。
3.电极表面的黑皮面积，宽度小于电极周长的1/10,长度小于电极长度的1/3.. |
| | 公称直径(mm) |
| 规格 | 300-400 | 450-600 |
| 缺陷尺寸 | |
| 直径 | 20-40 | 30-50 |
| 深度 | 5-10 | 10-15 |
| 石墨电极的允许电流 |
| 公称直径 | 允许电流容量（A） | 电流密度 |
| mm | inch |
| 300 | 12 | 10000-13000 | 14-18 |
| 350 | 14 | | 14-18 |
| 400 | 16 | | 14-18 |
| 450 | 18 | 22000-27000 | 13-17 |
| 500 | 20 | 25000-32000 | 13-16 |
| 600 | 24 | 30000-36000 | 12-15 |
注:石墨电极用于电炉时，建议电流容量-10%，用于钢包炉时，建议电流容量+10%。
Due to the quality characteristics of the graphite electrode is widely used in many fields, such as electric arc furnace steelmaking, industrial casting workshop, metallurgical furnace steelmaking, nonferrous metals industry, smelting of ceramic products, glass industry and waste recycling industry, and so on.
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| Ju Xing carbon is a graphite products manufacturers, products include graphite electrode (regular power graphite electrode, high power graphite electrode, ultra high power graphite electrode, graphite side (extrusion, molding, static pressure), graphite powder (artificial graphite powder), graphite crucible, graphite mold. In the graphite and carbon materials industry has more than 15 years of experience, a first-class brand of graphite materials has been our relentless pursuit! | |
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