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| NF A49-323-78 STEEL TUBES JACKS FOR HYDRAULIC TRANSMISSIONS CLOD ROLLED OR COLD DRAWN SEAMLESS TUBES TYPE READY FOR USE |
| Tiancheng Group_Steel-Tube.com 2008-05-07 10:27:55 Author:Sun June Source: Font size:[Large][Middle][Small] |
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NF A49-323-78 STEEL TUBES JACKS FOR HYDRAULIC TRANSMISSIONS CLOD ROLLED OR COLD DRAWN SEAMLESS TUBES TYPE READY FOR USE
(NF A 49-323-78 / NFA49-323-78) |
1. Chemical composition
|
Grade |
Mfg. Process |
Chemical composition(%) |
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Others |
|
TU37b |
S |
0.18Max |
0.35Max |
0.75Max |
0.04Max |
0.040Max |
- |
- |
- |
- |
|
TU52b |
S |
0.20Max |
0.50Max |
1.50Max |
0.040Max |
0.040Max |
- |
- |
- |
- |
|
TU52BT |
S |
0.20Max |
0.50Max |
1.50Max |
0.40Max |
0.040Max |
- |
- |
- |
- |
|
TU17
MV5 |
S |
0.21Max |
0.45Max |
1.50Max |
0.040Max |
0.040Max |
- |
- |
- |
V 0.15Max |
2. Mechanical Properties
|
Grade
|
Tensile Test MPa or N/mm2 |
Remaks
(Similar to JIS) |
Possibility Temperature |
|
Min Yield point |
Tensile Strength |
|
TU37b |
(Normalized) |
Impact Test (℃,J/cm2)
-20, 35 |
|
|
240 |
360~480 |
|
TU52b |
(Normalized) |
-, -
(STKM18) |
|
|
350 |
510~630 |
|
TU52BT |
(Normalized) |
-20, 50
-46, 35 |
|
|
350 |
510~630 |
|
TU17
MV5 |
(Normalized) |
-20, 50 |
|
|
410 |
510~630 |
|
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