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At an ambient temperature of 40°C and a temperature rise of max 85℃
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Peak current for 60 seconds
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Dynamic steady current for 3s
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Nominal section of contact rail
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Tolerance range of section
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Unit weight of contact rail
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Temperature rise and mechanical strength
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24h, temperature rise less than or equal to 45 ℃
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Steel aluminum bonding properties
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Each 60mm contact rail can resist the maximum horizontal and vertical load is greater than or equal to 18kN.
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Moment of inertia（level and vertical direction）
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Surface rigidity of contact surface
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Surface roughness of contact surface
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DC electrical resistance at 20C
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Steel-aluminium contact resistance at 20C
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Inductance of steel-aluminum rail
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Temperature coefficient of electrical resistance
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Expansion coefficient of linearity
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Mini. Permission bend radius（level direction）
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Mini. bend radius of artificial（leveldirection）
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The 5 x 105 times after fatigue test, contact rail without damage, plastic deformation, steel aluminium peeling phenomenon.
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The test load and amplitude： 1.5±0.45kN Frequency of fatigue： 1～3Hz
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