Name: China Steel Rails For Compact Railways Manufacturers Suppliers Factory - Wholesale Service - GNEE RAIL
Brand: GNEE
SKU: 281274590

Steel Rails For Compact Railways

Steel rail, also called rail track, steel track,is the main component of railway track. Its function is to guide the wheels of the locomotive, bear the great pressure of the wheel, and keep the stability of railway transportation. The rail must provide continuous, smooth and minimum rolling surfaces for the wheels. In electrified railway or automatic block section, rail can also be used as an orbital circuit.

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Description

Technical Parameters

Railway Steel Rail Basic Technical Specifications

Category	Specification	Details / Value
Product Name		Railway Steel Rail
Primary Function		To provide a continuous, stable, and wear-resistant guiding surface for train wheels, supporting and distributing the enormous loads from rolling stock.
Profile Design	Sections	Comprises three main parts: Head (wear-resistant), Web (load-bearing), and Foot (stability and fastening).
	Design Standard	Profile geometry strictly follows international standards (e.g., UIC, AREMA, BS, GB/T) to ensure wheel-rail compatibility.
Grade & Material	Standard Grades	700/900/1100A (e.g., U71Mn, U75V, U20Mn). The number indicates the minimum tensile strength in MPa.
	Material	High-carbon manganese steel or carbon steel, often micro-alloyed with Vanadium (V) or Chromium (Cr) for enhanced properties.

Steel Rails for Compact Railways

Performance, Manufacturing & Application

Category	Specification	Details / Value
Mechanical Performance	Tensile Strength	700 MPa - 1300 MPa, depending on the grade and heat treatment.
	Yield Strength	≥ 400 MPa (Standard) to ≥ 700 MPa (High-strength).
	Elongation	≥ 10% (ensures sufficient toughness and ductility).
	Impact Toughness	Charpy V-notch impact value ≥ 20J (at -40°C to -20°C, for low-temperature toughness).
Manufacturing Process	Primary	Converters or Electric Arc Furnace (EAF) steelmaking → Continuous casting → Universal mill rolling → Online heat treatment.
	Key Process	Head Hardening (Quenching & Tempering) used for premium rails to increase surface hardness and wear resistance.
Surface Quality	Requirement	Surface must be free of cracks, scars, folds, and other defects that could become fatigue initiation points.

Steel Rails for Compact Railways

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Steel Rails for Compact Railways

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