Dimmensions(mm)
|
|
b1 |
c |
f |
h1 |
h2 |
k |
m |
r1 |
a |
|
±1 |
|
+0.20 -0.15 |
+0 -0.50 |
|
±0.40 |
|
|
+60 +20 | |
|
TK3 |
75 |
|
2 |
55±0.2 |
|
10±0.2 |
20 |
5 |
900 |
|
TK5 |
87 |
≥1.8 |
3 |
60 |
|
16.4 |
25 |
3 | |
|
TOLERANCES |
±1 |
|
+0.20 -0.15 |
±0.3 |
±1 |
±0.2 |
|
|
+60 +20 |
|
TK3A |
78 |
|
2.2 |
60 |
10 |
16.4 |
|
3 |
900 |
|
TK5A |
|
3.2 |
25 |
Chemical Composition and Mechnical Property of Guide Rail Steel
| CODES/STANDARDS | Rail Compositions % | (N/mm2 or MPa) | (%) | ||||||
| C | Si | Mn | P | S | Yield Stress | Tensile Strength | Elongation | ||
| ISO 630 | <0.21 | <0.4 | <1.5 | <0.045 | <0.045 | >275 | 410~540 | >22 | |
| YB/T 157-1999 | Q235A | 0.14~0.22 | <0.3 | 0.30~0.65 | <0.045 | <0.050 | >235 | 375~460 | >26 |
| YB/T 157-1999 | Q255A | 0.18~0.28 | <0.3 | 0.40~0.70 | <0.045 | <0.050 | >255 | 410~510 | >24 |
T45/A:45*45* 5mm
T50/A,:50*50*5mm
T70-1/B:70*65*9mm
T75-3/B:75*62*10mm
T78/B:78*56*10mm
T82/B:82.5*68.25*9mm
T89/B:89*62*15.88mm
T90/B:90*75*16mm
T114/B:114*89*16mm
T127-1/B:127*88.9*15.88mm
T127-2/B:127*88.9*15.88mm
TK3:75*55*10mm
TK5:87*60*16.4mm
TK3A:78*60*16.4mm
TK5A:78*60*16.4mm