Since its foundation, Daido Steel has enjoyed customer’s appreciation for rail production such as Mn crossing rail to serve under severe conditions.
Long nurtured technologies of stainless steel production enable us to provide stainless rails with advanced durability and corrosion resistance to expand new application. |
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| ■Application |
| ● |
Water and sewage sludge collector（bottom of pond,guiding rail） |
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Tram in caverns |
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Gate and rail for gate |
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Cart rail in factories of food, chemical and paper industry |
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| ■Available Products |
| Line-up |
： |
Rail of 9Kg, 15Kg and 22Kg |
| Grade |
： |
304 |
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Note 1）Please ask us line-up and grade other than above.
Note 2）Both edge of 15kg rail is machined for rail connection.
Note 3）Length range is between 3m and 6m. |
| ■Quality |
| Shape and size tolerance |
| Shape and size tolerance are following JIS E1103（Light rail）. |
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| Chemical composition |
It is following JIS G4303（stainless steel bar）. |
| Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
N |
Nb |
| 304 |
≦0.08 |
≦1.00 |
≦2.00 |
≦0.045 |
≦0.030 |
8.00
～10.50 |
18.00
～20.00 |
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Mechanical properties |
Grade |
Line-up |
Tensile strength
（N/mm2) |
Elongation(%) |
| 304 |
9kg rail
15kg rail
22kg rail |
≦637 |
≦12 |
| Mass/m |
Grade |
Line-up |
Mass/m
（kg/m) |
Mass unit
(kg/6m) |
304 |
9kg rail |
9.02 |
54 |
| 15kg rail |
15.3 |
92 |
| 22kg rail |
22.5 |
135 |
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| ■Information of Stainless Steel Rail |
| Chart-1 |
| Item |
Line-up |
| 9Kg、15Kg rails |
22Kg rail |
| Length |
≦5.5m |
±12 |
－ |
| 6.0～10.0m |
±18 |
±7 |
| Height |
±1.5 |
＋1.0
－0.5 |
| Upper width |
±1.0 |
＋1.0
－0.5 |
| Middle width |
－ |
＋1.0
－0.5 |
| Bottom width |
±2.0 |
±2.0 |
| Size of connecting hole |
±1.0 |
±0.5 |
| Place of connecting hole |
±1.0 |
±0.8 |
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