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Rails
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Range of products and specifications as per
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GOST 24182-80,
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DSTU 2539-94 (GOST 30165-94),
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DSTU 3585-97 (GOST 30516-97),
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DSTU 3611-97,
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TU 14-2-788-88. |
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Cross section dimension, mm |
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R-8 |
R-11 |
R-38 |
R-43 |
R-50 |
Contact rail for
underground |
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Head width B2 |
25 |
32 |
68 |
70 |
72 |
80 |
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Web thickness S |
7 |
7 |
13 |
14.5 |
16 |
20 |
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Bottom width B1 |
54 |
66 |
114 |
114 |
132 |
90 |
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Rail heigth H |
65 |
80.5 |
135 |
140 |
152 |
118 |
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Bolt hole diameter d |
22 |
22 |
29 |
29 |
34 |
- |
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1 m length mass, kg |
8.42 |
11.18 |
38.42 |
44.65 |
51.67 |
51.69 |
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R-8,R-11 |
R-38 |
R-43 |
R-50 |
Contact rail for
underground |
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Ultimate strength, N/mm 2 |
550 |
765 |
765 |
860 |
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Elongation, % |
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4.0 |
4.0 |
5.0 |
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Specific electric
resistance, mkOm*m, not more |
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0.125 |
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