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Graphite Electrode
At: 2020-07-12 16:08:29

1.1Standard Specification For Graphite Electrode

项目ltem单位普通功率RP高体密HD高功率HP超高功率UHP
φ250-400φ450-600φ250-400φ400-600φ250-400φ400-600φ250-400φ400-600

电阻率

(不大于)

Resistivity max

电极

Electrode

υΩm8.28.87.07.46.26.54.04.0

接头

Nipple

5.55.54.84.84.54.512.012.0

抗拆强度

(不小于)

Beding

strength min

电极

Electrode

Mpa8.27.010.010.011.011.021.021.0

接头

Nipple

18.018.019.019.020.020.014.014.0

弹性模量

(不大于)

Beding

strength min

电极

Electrode

Gpa9.39.312.012.012.012.018.018.0

接头

Nipple

14.014.016.016.016.016.05.76.0

体积密度

(不小于)

Bulk

density min

电极

Electrode

g/cm31.541.541.641.641.661.661.681.68

接头

Nipple

1.721.721.741.741.741.741.771.76

热膨胀系数

(不大于)

C.T.E

(100-600℃)

max

电极

Electrode

10-6℃2.52.42.32.32.02.01.71.7

接头

Nipple

2.02.01.81.81.61.61.31.3

灰分

(不大于)

Ash max

电极

Electrode

接头

Nipple

%0.40.40.30.30.30.30.20.2

 

1.2Standard Size For Graphite Electrode

Standard DiameterTolerance mnLength
InchmmMaxMinmm
37578731000/1200/1600
4100103981000/1200/1600
51301321271000/1200/1600
61501541491200/1600
71751791741200/1600
82002052011600/1800
92252302251600/1800
102502562511600/1800
123003073021600/1800/1900/2000
143503573521600/1800/1900/2000/2200
164004094031600/1800/1900/2000/2200/2400
184504604541600/1800/1900/2000/2200/2400
205005115051800/1900/2000/2200/2400
225505625561800/2000/2200/2400
246006136072000/2200/2400/2700
266506636572400/2700/3000
287007147082400/2700/3000

 

1.3Standard Size For Graphite Electrode Nipple

1.3.1Number Of Threads Per Inch=3

Standard DiameterNipples SizeStandard Weight kg/pc
InchmmA mmL mmRPHPUHP
3225139.70203.203.793.883.93
4250155.58220.105.175.295.35
5300177.17270.908.148.348.43
6350215.90304.8014.0414.3714.54
7400215.90304.8014.0414.3714.54
241.30338.6019.8920.3620.60
8450241.30338.6019.8920.3620.60
273.05355.6026.9727.6227.94
9500273.05355.6026.9727.6227.94
298.45372.5034.1835.2035.41
10550273.05355.6027.9427.6227.94
298.45372.5034.1835.2035.41
24600298.45372.5034.1835.2035.41
317.50355.6038.1739.0839.53

 

1.3.2Number Of Threads Per Inch=4

Standard DiameterNipples SizeStandard Weight kg/pc
InchmmA mmL mmRPHPUHP
37546.0476.200.1350.140.14
410069.85101.600.450.470.48
513079.38127.000.730.750.75
615092.08139.701.111.141.15
7175107.95165.101.821.861.88
8200122.24177.802.572.632.66
9225139.70177.803.493.583.62
10250152.40190.504.494.604.65
12300177.80215.907.077.197.27
14350203.20254.0010.7711.0311.16
16400222.25304.8015.1715.5415.72
18450241.30304.8018.2918.7218.94
20500269.88355.6026.5027.1327.44
22550298.45355.6033.2534.0434.44
24600317.50355.6038.1739.0839.53
26650355.60457.2059.9061.3362.04
28700374.65457.2067.3768.9869.78
0.076009s