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Nipple

The nipples are used to connect two graphite electrodes. TIhe production period is long. The production period of regular power graphite electrodes is about 45 days, the production period of ultra high power graphite electrodes is more than 70 days, and the production period of graphite electrode joints (nipples) requiring multiple impregnation is more longer.

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product description

Production characteristics

The nipples are used to connect two graphite electrodes. TIhe production period is long. The production period of regular power graphite electrodes is about 45 days, the production period of ultra high power graphite electrodes is more than 70 days, and the production period of graphite electrode joints (nipples) requiring multiple impregnation is more longer.


The Form & Size of Cone Nipples


Norminal
Diameter
Size of Nipple(mm)Size of socket(mm)Thread
pitch
mminDLd2Id1H
75346.040






-0.5
76.200






-1
20.800






-5
< 739.72+0.5






0
44.1+7






0
6.35
100469.85101.6040.3063.5356.8
1305.279.38127.0045.6073.0669.5
150692.08139.7056.2085.7675.9
1757107.95165.1067.80101.6388.6
2008122.24177.8080.00115.9294.9
2259139.70177.8097.46133.3894.9
25010152.40190.50108.00146.08101.3
30012177.80215.90129.20171.48114
35014203.20254.00148.20196.88133
40016222.25304.80158.80215.93158.4
40016222.25355.60150.00215.92183.8
2259139.700






-0.5
203.200






-1
90.730






-5
< 10131.270






+0.5
107.6+7






0
8.47
25010155.57220.00103.80147.14116
30012177.16270.90116.90168.73141.5
35014215.90304.80150.00207.47158.4
40016215.90304.80150.00207.47158.4
40016241.30338.70169.80232.87175.3


Technical Properties of Graphite Electrodes & Nipples

Item
UnitVarieties of Graphite Electrodes

RPHDHP
Specific Resistance ≤Electrodes (E)μΩ.m8.58.07.0
Nipple (N)8.27.56.5
Flexural Strength ≥Electrodes (E)MPa9.81010.5
Nipple (N)13.013.014.0
Elastic Modulus ≤Electrodes (E)GPa9.312.012.0
Nipple (N)14.014.016.0
Bulk Density ≥Electrodes (E)ɡ/㎝³1.581.581.6
Nipple (N)1.631.681.7
100-600(C.T.E.) ≤Electrodes (E)10-6/℃2.92.72.4
Nipple (N)2.72.52.2
Ash Content ≤Electrodes (E)%0.50.30.3
Nipple (N)0.50.30.3
Real Density ≥Electrodes (E)ɡ/㎝³2.182.182.2
Nipple (N)2.22.22.2

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