Dimmensions(mm)
|
COD. ISO7465:2001 |
b1 |
h1 |
h |
k |
n |
c |
g |
f |
rs |
m1 |
m2 |
t1 |
t2 |
|
TOLERANCES | |||||||||||||
|
±1.5 |
|
±0.1 (±0.05) |
+0.1 0 (+0.05) (0) |
+3 0 |
|
±0.75 |
|
|
+0.06 0 (+0.03) (0) |
-0.06 0 (-0.03) (0) |
±0.1 |
±0.1 | |
|
T90/B |
90 |
75 |
74 |
16 |
42 |
10 |
8 |
10 |
4 |
6.4 |
6.37 |
7.14 |
6.35 |
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