1.Our Product follow the standard:ISO7465
2. Dimensions of Machined Guide Rail
|
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 | |
|
T70-1/B |
70 |
65 |
|
9 |
|
|
|
|
1.5 |
3 |
2.95 |
3.50 |
3.00 |
4.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 |
5.We also can process non-standard products with the references to the customer' s requirements.