550-800mm RP graphite electrode

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Selling leads
550-800mm RP graphite electrode
Posting date : Jul 15, 2019
Membership
Free Member Scince Nov 15, 2018
FOB Price
1
Min. Order Quantity
10T
Supply Abillity
60000 Tons per year
Port
weifang
Payment Terms
T/T,L/C,D/P
Package
Packing with wooden case and pallet,and enlace with baling band
Keyword :
Category
Contact
Lieber Lee
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
SHANJI
HS-CODE
-
Package & Delivery Lead Time
Package
Packing with wooden case and pallet,and enlace with baling band
Delivery Lead Time
10 working days after receive payment
Detailed Description

550-800mm RP graphite electrode,RP Graphite Electrode,Industrial Graphite Electrode,High Density Graphite Electrodes Manufacturer

RP Graphite Electrode

Industrial Graphite Electrode

High Density Graphite Electrodes Manufacturer

Electric resistivity :  7.5-8.8
Bending strength:>=6.5
Elastic Modulus: <=9
Bulk density: 1.54-1.62
Ash: <=0.3
CTE: 2.20-2.60
Regular power graphite electrode is a graphite electrode with allowable current density lower than 17A/cm2. RP graphite electrode is mainly used in the ordinary power electric furnace for steelmaking, silicon smelting and yellow phosphorus refining etc.
Physical and Chemical Index of  Hign Power Graphite Electrode:
Item 
Unit
HP
300~500
550~700
Electric Resistivity 
Electrode
uΩ.m
5.5~6.8
5.5~7.0
Nipple
4.0~5.5
Bending Strength
Electrode
MPa
≥10.0
≥8.5
Nipple
≥18.0
Modulus of Elasticity
Electrode
GPa
≤13.0
Nipple
≤15.0
Bulk Density
Electrode
g/cm3
1.62~1.70
Nipple
1.72~1.80
Ash Content
Electrode
%
≤0.3
Nipple
The Coefficient of Thermal Expansion(CTE)
Electrode
10-6/℃
1.80~2.20
Nipple
1.50~1.80
 
 
High Power Graphite Electrode Current Carrying Capacity
Norminal Diameter
HP
Current Carrying Capacity
Current Density
inch
mm
A
A/cm2
12
300
13000~17400
17~24
14
350
17400~24000
17~24
16
400
21000~31000
16~24
18
450
25000~40000
15~24
20
500
30000~48000
15~24
22
550
34000~53000
14~22
24
600
38000~58000
13~21
28
700
45000~72000
12~19
32
800
 
 
Tolerance of Graphite Electrode Diameter and Length(mm) 
Nominal Diameter
Actural diameter
Length
in
mm
max
min
Black surface min
12
300
307
302
299
1800/2000
14
350
358
352
349
1800/2000/2200
16
400
409
403
400
1800/2000/2200
18
450
460
454
451
1800/2000/2200
20
500
511
505
502
2000/2200/2400
22
550
562
556
553
2000/2200/2400/2700
24
600
613
607
604
2200/2400/2700/3000
28
700
714
710
707
2200/2400/2700/3000
29
800
816
812
809
2200/2400/2700/3000
 
 
Permissible Deviation of Graphite Electrode Length (mm)
Nominal Length
Standard Deviation
Short Length Deviation
max
min
max
min
1800
+100
-100
-100
-275
2000
+100
-100
-100
-275
2200
+100
-100
-100
-275
2400
+100
-100
-100
-275
2700
+200
-150
-150
-275
3000
+200
-150
-150
-300
 
 

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