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Railway Track 50kg Steel RailUS$ 550 - 650MOQ: 10 Metric Tons -
Heavy Rail GB Standard Railway RailUS$ 550 - 650MOQ: 10 Metric Tons
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50kg Grade Railroad Steel RailUS$ 550 - 650MOQ: 10 Metric Tons
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Construction Railway Heavy Steel RailUS$ 550 - 650MOQ: 10 Metric Tons
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GB Standard Track Steel Heavy RailUS$ 550 - 650MOQ: 10 Metric Tons
Steel rail is the main component of railway tracks, used to guide the wheels of locomotives and rolling stock while withstanding train loads. Steel rails are typically manufactured from high-carbon or alloy steel through hot rolling, featuring an I-shaped cross-section with high bending strength, wear resistance, and fatigue resistance. Common foreign rail grades include: ASTM A1 (USA) series such as 70 lb, 90 lb, and 132 lb; EN standards (Europe) such as R260, R350HT, and R370CrHT; JIS E1101 (Japan) series such as 50N and 60 kg/m; and BS 11 (UK) series such as BS90A and BS113A. To look up technical parameters for different standards, use the search term “rail steel grades” for detailed information.
Main Applications
Steel rails are widely used in mainline railways, high-speed rail lines, subways and urban rail transit, as well as mining and port dedicated lines. Different service environments impose varying performance requirements on steel rails: high-speed railways demand extremely high straightness and low residual stress; heavy-haul railways emphasize wear resistance and contact fatigue resistance; mining lines often use light rails (e.g., 8 kg/m, 12 kg/m, 15 kg/m) for temporary transport or narrow-gauge railways. For high-speed rail selections, search “high speed rail grade” to find suitable steel types.
Heat Treatment and Performance Enhancement
To extend service life, steel rails are often subjected to full-body heat treatment or rail head quenching. Common strengthening methods include: online heat-treated R350HT (EN standard) offering high hardness and good toughness; hypereutectoid rails such as R370CrHT with added microalloying elements for further improved wear resistance. Additionally, rail surfaces can undergo laser hardening or oil application to reduce wheel-rail wear. To compare wear resistance performance, it is advisable to search using “rail hardness HB chart” for hardness reference data.
International Trade and Selection Suggestions
In international sourcing, key factors to consider include rail weight (kg/m), steel grade, hardness range, and heat treatment condition. Grade equivalents may exist across different standards — for example, EN R260 may correspond to JIS 50N or a medium-carbon steel rail under ASTM standards. For technical comparison and substitution, use the search term “rail equivalent grade” for standard conversion. To find global rail suppliers or current price quotes, use “rail suppliers Europe” for reliable resources.
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