What is a mine railway called?

A steel rail is a metallic beam designed to maintain the integrity of the track structure under dynamic and static forces while transferring loads to sleepers and subgrade efficiently. Its cross-section is optimized for bending resistance, lateral stability, and rail head wear minimization.GNEE RAIL provides all-standard rails including heavy rails (38–60 kg/m), light rails (8–30 kg/m), QU type crane rails, and specialized industrial rails, along with technical consulting for optimal track design, installation instructions, welding and joining services, and after-sales maintenance support.

 

What is a mine railway called?

 

A mine railway is commonly called a "mining railway" or "mine rail track". It refers to a rail system specifically designed for transporting ore, coal, minerals, and equipment within mines. Unlike mainline railways, mining railways are typically:

 

1. Narrow-Gauge or Small-Profile Rails

 

 

• Most mining railways use narrow-gauge tracks (e.g., 600 mm, 762 mm) to fit underground tunnels or confined spaces.

 

• Rails are smaller and lighter than standard mainline rails, but still made of high-strength, wear-resistant steel.

 

2. Heavy-Duty Rails for Load and Wear

 

• Rails must withstand frequent heavy loads from ore cars or mining locomotives.

 

• Common rail steels include high-carbon manganese alloys (similar to U71Mn) for wear resistance and toughness.

 

3. Industrial and Underground Applications

 

 

• Mining railways can be underground or open-pit.

 

• Often use special curves, switches, and tight clearances to navigate tunnels and shafts.

 

4. Other Names

 

• Mine tramway – sometimes used for smaller or temporary tracks.

 

• Industrial railway – if used in mineral processing plants or quarries.

 

Which type of steel rail is commonly used in mine railways?

 

Mine railways commonly use light steel rails, typically ranging from 8kg/m to 30kg/m, like 15kg, 22kg, and 30kg/m (or 24kg/m), chosen for their balance of cost, ease of installation, flexibility, and suitability for low-speed, light-to-medium load transport in confined underground or surface mining environments, with specific types like U71MnG or U75V steel for better wear resistance.

Common Types & Characteristics:

 

 

• Light Rail (8-30kg/m): The most common category, with specific weights like 15kg, 22kg, 24kg, and 30kg rails used in small to large mines for transporting ore, materials, and personnel.

 

 

Classification		Height(mm)	Head (mm)	Bottom (mm)	Thick(mm)	Weight (kg/m)
Light Rail	8 KG/M	65	25	54	7	8.42
	9 KG/M	63.5	32.1	63.5	5.9	8.94
	12 KG/M	69.85	38.1	69.85	7.54	12.2
	15 KG/M	79.37	42.86	79.37	8.33	15.2
	18 KG/M	80	40	80	10	18.06
	22 KG/M	93.66	50.8	93.66	10.72	22.3
	24 KG/M	107	51	90	10.9	24.46
	30 KG/M	107.95	60.33	107.95	12.3	30.1
Heavy Rail	38 KG/M	134	68	114	13	38.733
	43 KG/M	140	70	114	14.5	44.653
	45 KG/M	145	67	126	14.5	45.546
	50 KG/M	152	70	132	15.5	51.514
	60 KG/M	176	73	150	16.5	60.64
Crane Rail	QU 70	120	70	120	28	52.8
	QU 80	130	80	130	32	63.69
	QU 100	150	100	150	38	88.96
	QU 120	170	120	170	44	118.1

 

• Material Grades: Often made from carbon steel with manganese (e.g., U71MnG, U75V) for increased hardness, wear resistance, and impact toughness, essential for mine conditions.

 

Steel Grade	C(%)	Si	Mn	Cr	V	P	S	Tensile Strength (Rm/MPa)
U71Mn	0.65~0.76	0.15~0.58	0.70~1.40	–	–	≤0.035	≤0.030	≥880
U75V	0.71~0.80	0.50~0.80	0.75~1.05	–	0.04~0.12	≤0.035	≤0.030	≥980
U78CrV	0.72~0.82	0.50~0.80	0.70~1.05	0.30~0.50	0.04~0.12	≤0.035	≤0.030	≥1080
U77MnCr	0.72~0.82	0.10~0.50	0.80~1.10	0.25~0.40	–	≤0.035	≤0.025	≥980
U76CrRE	0.71~0.81	0.50~0.80	0.80~1.10	0.25~0.35	0.04~0.08	≤0.035	≤0.025	≥1080

 

• GB Standards: Many are specified under Chinese National Standards (GB/T) like GB/T 11264-2012 for 24kg rails, balancing performance and cost.

 

Why They're Used:

 

• Cost-Effective: Lighter rails are generally more affordable.

 

• Ease of Installation: Their smaller size and weight make them easier to lay in confined or complex mine layouts.

 

• Flexibility: Adaptable for narrow gauges (600mm, 762mm, 900mm) and varied terrains.

 

• Suitable Load Capacity: Ideal for the lower axle loads and speeds of mine carts (mine cars, electric railcars).

 

Since 2008, GNEE RAIL has been supplying steel rails of different grades for more than 18 years, steel rails from GNEE is highly recommened in China and abroad.Wtih cutting edge equipment, GNEE produces high quality steel rails that meet with requirements of most countries. Standard rail, head hardened rail, heavy rail,light rail,crane rail and other types are all available here, as one of the China main rail supplier, GNEE RAIL has been working on supplying economical green railway products all over the world.

 

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