The standard does not apply to lightweight rails (軽レール) used in industrial or narrow-gauge applications, which are covered under separate JIS standards. Additionally, heat-treated rails are covered under JIS E 1120 and JIS E 1123, although the base material for these heat-treated products must still comply with JIS E 1101 specifications [16†L4-L5].
Enhances hardenability and toughs up the pearlitic microstructure.
If you need help finding specific or chemical compositions for 60N or 50N rails, let me know which type you are working with.
: A "medium-heavy" rail widely used in urban transit and suburban commuter lines like the Tokaido Main Line . jis e 1101 pdf
Kenji looked out the window as the city lights of Tokyo began to flicker in the distance. Millions of people were moving across the country at three hundred kilometers per hour, completely unaware of the 25-meter steel segments beneath them. They didn't know about the precise tolerances of the bolt holes or the specific gravity of the steel defined in those hundred-odd pages.
| Rail Type | Height (A, mm) | Base Width (B, mm) | Head Width (C, mm) | Web Thickness (F, mm) | Mass (kg/m) | | :--- | :--- | :--- | :--- | :--- | :--- | | | 122.24 | 122.24 | 62.71 | 21.43 | 37.2 | | JIS 40 kgN | 140.00 | 122.00 | 64.00 | 25.50 | 40.9 | | JIS 50 kgN | 153.00 | 127.00 | 65.00 | 30.00 | 50.4 | | JIS 60 kg | 174.00 | 145.00 | 65.00 | 30.10 | 60.8 |
Covers standard flat-bottom rails (like the common 50kgN and 60kg rails) and specialized profiles for rail turnouts. The standard does not apply to lightweight rails
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To validate the steel's performance, the standard mandates specific mechanical tests.
Visit webstore.jsa.or.jp and search for “JIS E 1101:2022”. If you need help finding specific or chemical
A standard safety test where a heavy weight is dropped onto a sample rail section from a specific height to ensure it bends rather than snaps under sudden impact.
The standard specifies the requirements for heavy rails used in permanent ways, including main lines, branch lines, and industrial sidings. Rails are classified based on their calculated mass ( ) and the presence of fish-bolt holes. Common rail types under this standard include: 37kg Rail (37A): Often used for lighter-load branch lines. 40kgN & 50kgN Rails:
Chemical composition must be verified using methods specified in referenced JIS G standards, including combustion-infrared absorption methods, volumetric analysis, and ICP emission spectrometry [9†L11-L24].
While this story is fictional, it illustrates the kind of impact that industrial standards, such as JIS E 1101, can have on industries, innovation, and society as a whole. Standards like JIS E 1101 play a crucial role in ensuring quality, safety, and efficiency, serving as a foundation upon which new technologies and innovations can be built.
| Grade | C | Si | Mn | P | S | |-------|---|---|----|---|---| | Ordinary | 0.60–0.75 | 0.15–0.30 | 0.60–0.90 | ≤0.030 | ≤0.025 | | Wear-resistant | 0.67–0.77 | 0.15–0.30 | 0.70–1.00 | ≤0.025 | ≤0.020 |