Graphite Electrodes With Nipples Manufacturers Ladle Furnace HP Grade HP300
Technical Parameter
| Parameter | Part | Unit | HP 300mm(12”) Data | 
| Nominal Diameter | Electrode | mm(inch) | 300(12) | 
| Max Diameter | mm | 307 | |
| Min Diameter | mm | 302 | |
| Nominal Length | mm | 1600/1800 | |
| Max Length | mm | 1700/1900 | |
| Min Length | mm | 1500/1700 | |
| Current Density | KA/cm2 | 17-24 | |
| Current Carrying Capacity | A | 13000-17500 | |
| Specific Resistance | Electrode | μΩm | 5.2-6.5 | 
| Nipple | 3.5-4.5 | ||
| Flexural Strength | Electrode | Mpa | ≥11.0 | 
| Nipple | ≥20.0 | ||
| Young’s Modulus | Electrode | Gpa | ≤12.0 | 
| Nipple | ≤15.0 | ||
| Bulk Density | Electrode | g/cm3 | 1.68-1.72 | 
| Nipple | 1.78-1.84 | ||
| C.T.E. | Electrode | ×10-6/℃ | ≤2.0 | 
| Nipple | ≤1.8 | ||
| Ash Content | Electrode | % | ≤0.2 | 
| Nipple | ≤0.2 | 
NOTE:Any specific requirement on dimension can be offered.
Gufan Graphite Electrode Production Process
 
		    
			Gufan Carbon Conical Nipple and Socket Dimensions
| Gufan Carbon Conical Nipple and Socket Dimensions | |||||||||
| Nominal Diameter | IEC Code | Sizes of Nipple (mm) | Sizes of Socket(mm) | Thread | |||||
| mm | inch | D | L | d2 | I | d1 | H | mm | |
| Tolerance (-0.5~0) | Tolerance(-1~0) | Tolerance(-5~0) | Tolerance(0~0.5) | Tolerance(0~7) | |||||
| 200 | 8 | 122T4N | 122.24 | 177.80 | 80.00 | <7 | 115.92 | 94.90 | 6.35 | 
| 250 | 10 | 152T4N | 152.40 | 190.50 | 108.00 | 146.08 | 101.30 | ||
| 300 | 12 | 177T4N | 177.80 | 215.90 | 129.20 | 171.48 | 114.00 | ||
| 350 | 14 | 203T4N | 203.20 | 254.00 | 148.20 | 196.88 | 133.00 | ||
| 400 | 16 | 222T4N | 222.25 | 304.80 | 158.80 | 215.93 | 158.40 | ||
| 400 | 16 | 222T4L | 222.25 | 355.60 | 150.00 | 215.93 | 183.80 | ||
| 450 | 18 | 241T4N | 241.30 | 304.80 | 177.90 | 234.98 | 158.40 | ||
| 450 | 18 | 241T4L | 241.30 | 355.60 | 169.42 | 234.98 | 183.80 | ||
| 500 | 20 | 269T4N | 269.88 | 355.60 | 198.00 | 263.56 | 183.80 | ||
| 500 | 20 | 269T4L | 269.88 | 457.20 | 181.08 | 263.56 | 234.60 | ||
| 550 | 22 | 298T4N | 298.45 | 355.60 | 226.58 | 292.13 | 183.80 | ||
| 550 | 22 | 298T4L | 298.45 | 457.20 | 209.65 | 292.13 | 234.60 | ||
| 600 | 24 | 317T4N | 317.50 | 355.60 | 245.63 | 311.18 | 183.80 | ||
| 600 | 24 | 317T4L | 317.50 | 457.20 | 228.70 | 311.18 | 234.60 | ||
| 250 | 10 | 155T3N | 155.57 | 220.00 | 103.80 | <10 | 147.14 | 116.00 | 8.47 | 
| 300 | 12 | 177T3N | 177.16 | 270.90 | 116.90 | 168.73 | 141.50 | ||
| 350 | 14 | 215T3N | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 | ||
| 400 | 16 | 241T3N | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 | ||
| 450 | 18 | 273T3N | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 | ||
| 500 | 20 | 298T3N | 298.45 | 372.60 | 221.30 | 290.02 | 192.20 
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Gufan Carbon Conical Nipple and Socket Drawing
 
		    
			 
		    
			




 
                










