What is the difference between GB/T Standard 22KG Mining Rail and JIS 22KG Rail?
Jan 19, 2026
Rail track is an essential component of rail track, and its function is to guide the train wheels moving forward by withstanding the enormous pressure pushed by the wheels. Steel rail shall provide smooth, stable and continuous rolling surface for the passing train wheels. In electrical railway or automatic block section, railway track can also be used as track circuit.
As a professional rail fastener supplier, GNEE RAIL can provide different standard steel rail such as GB,American, BS, UIC, DIN, JIS, Australian and South Africa which used in railway lines, cranes and coal mining.
What is the difference between GB/T Standard 22KG Mining Rail and JIS 22KG Rail?
A steel rail in industrial and mining transport is a hot-rolled steel profile designed to guide mine cars or light locomotives while safely transmitting wheel loads to sleepers and the track foundation. In light-duty rail systems, 22kg steel rail is widely used because it balances structural strength, ease of handling, and economic efficiency.
Among global markets, GB/T Standard 22KG Mining Rail and JIS 22KG Rail are two of the most frequently compared light rail types. Although their weights and basic dimensions are similar, they are governed by different standards and technical control systems.
Are the Section Dimensions of GB/T 22KG Rail and JIS 22KG Rail the Same?
From a geometric perspective, GB/T 22kg rail and JIS 22kg rail are very close in cross-section, which is why they are often considered interchangeable in many mining and factory track systems. Both are flat-bottom light rails suitable for timber sleepers, steel sleepers, or concrete foundations.
Typical Section Dimensions Comparison
GB/T Standard 22KG Mining Rail:
JIS 22KG Light Rail:
| Standard | Head Width (mm) | Height (mm) | Base Width (mm) | Web Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| GB/T 22kg | 50.3 | 93.66 | 93.66 | 10.72 | 22.3 |
| JIS 22kg | 50.8 | 93.0–94.0 | 93.0–94.0 | ≈10.5–11.0 | 22.3 |
Do GB/T and JIS 22KG Rails Use the Same Steel Materials?
The main technical distinction lies in material control and mechanical property requirements rather than shape. GB/T standards focus on material grades commonly used in Chinese industrial rail production, while JIS standards emphasize tighter chemical composition ranges and performance consistency.
Typical Steel Grades and Properties:
| Standard | Common Steel Grade | Tensile Strength (MPa) | Key Characteristics |
|---|---|---|---|
| GB/T 22kg | Q235B / 55Q | 375–460 (Q235B) / ≥685 (55Q) | Flexible material options, cost-effective, suitable for mines and factories |
| JIS 22kg | JIS E Rail Steel | ≥540–700 (varies by class) | Stricter composition control, stable mechanical performance |
Which Applications Prefer GB/T 22KG Rail and Which Prefer JIS 22KG Rail?
Application preference is mainly driven by regional procurement habits and regulatory systems rather than technical limitations. GB/T 22kg rail is widely used in Chinese mining, metallurgy plants, brick factories, and cement plants, while JIS 22kg rail is common in Japanese industrial railways and in overseas projects that follow Japanese equipment standards.
Typical Application Scenarios
| Standard | Typical Projects |
|---|---|
| GB/T 22kg | Coal mines, metal mines, factory logistics lines, port auxiliary tracks |
| JIS 22kg | Industrial depots, equipment manufacturer-specified systems, overseas projects using Japanese rolling stock |
Although GB/T Standard 22KG Mining Rail and JIS 22KG Rail share nearly identical weight and similar cross-section geometry, their main differences lie in material specification systems, mechanical performance control, and regional standard compliance. GB/T rails offer flexible material options such as Q235B and 55Q for cost-performance optimization, while JIS rails emphasize stricter metallurgical consistency and standardized performance.
In most mining and industrial track systems, the two rails can be technically interchangeable, provided that fastening systems and joint bars are properly matched. For procurement and replacement planning, confirming section drawings and service conditions is more important than focusing on standard labels alone.
In addition to GB/T 22kg mining rail and JIS 22kg rail, GNEE RAIL also supplies other light rails such as 15kg, 18kg, and 30kg rails, heavy rails including UIC54, UIC60, AREMA 115RE, and crane rails such as QU70–QU120, together with complete fastening systems, customized fabrication, quality inspection, and international logistics services, delivering integrated rail solutions for mining, industrial, and port rail projects worldwide.
| Standard | Sepc. | Material Typical Grade |
| UIC860 | UIC54 | 700,900A,900B |
| UIC60 | ||
| EN13674.1 | 5.00E+02 | R200,R350HT,R260Mn,R35LHT,R320Cr,R370CrHT |
| 5.40E+02 | ||
| 6.00E+02 | ||
| 6.00E+03 | ||
| BS-11-1985 | BS80A | 700,900A,900B |
| BS90A | ||
| BS100A | ||
| AREMA | 115RE | SS,HH,LA,IH |
| 136RE | ||
| ASCE60 | U71Mn | |
| ASCE85 | U71Mn | |
| GB 2585-2007 | 50kg/m | U71Mn |
| 60kg/m | U75V | |
| 75kg/m | ||
| TB/T2344-2012 | 50kg/m | U71Mn,U75V,U77MnCr |
| 60kg/m | U78CrV | |
| 75kg/m | ||
| GB 11264-1989 | 8kg/m | Q235 |
| 12kg/m | Q235 | |
| 15kg/m | 55Q, Q235 | |
| 18kg/m | 55Q, Q235 | |
| 22kg/m | 55Q, Q235 | |
| 24kg/m | 55Q, Q235 | |
| 30kg/m | 55Q, Q235 | |
| 38kg/m | 50Mn, U71Mn | |
| 43kg/m | 50Mn, U71Mn | |
| GB Crane rails | QU70 | U71Mn |
| QU80 | U71Mn | |
| QU100 | U71Mn | |
| QU120 | U71Mn |
