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SAE 6150 FLAT BAR
FOB Price: USD440-490$/Ton
We accept returns up to 20 days after you receive your order.
Your order must be in good condition, and be in the original packaging. Restocking fee may apply.
Customer satisfaction is always our goal.
1)Sizes:width:45-180mm,thickness:5-30mm
2)Pakage:Bundle ,bundle weight base on customer's requirement
3)Sample: free of charge ,but DHL freight customer paid .
4)Exported Market: India,Kenya,Spain,Panama, Columbia , Thailand,Malaysia ,Brazil
5)Payment : 100% L/C at sight or 30% T/T advance and balance by B/L copy
CHEMICAL COMPOSITION:
The chemical composition of the EN 10089:2002 Spring Flat Bars for Truck Suspention , Leaf Spring Steel Flat Bars should conform to the following table:
Steel Grade |
C |
Mn |
Cr |
Si |
P |
S |
Width of flat bar |
5160H |
0.55-0.65 |
0.65-1.1 |
0.6-1.0 |
0.15-0.35 |
<=0.025 |
<=0.025 |
< 200MM |
Remark: the tolerance of chemical composition of finished product will conform to the technical standard of EN 10089 .
MECHANICAL PROPERTIES:
Grade |
Heat treatment°C |
Mechanical Properties |
|||||
|
Quenching (oil quenching) |
Tempering |
0.2% proof stress(N/mm2) |
Tensile Strength(N/mm2) |
Elongation % min |
Peduction in cross sectional area % |
Hardness HB |
|
Test piece no 4 or 7 | |||||||
SUP9 |
830-860 |
460-510 |
1079 Min |
1226 Min |
9 Min |
20 Min |
321 Max |
5160H |
830-860 |
460-520 |
1079 Min |
1226 Min |
9 Min |
20 Min |
321 Max |
METHOD OF TEST:
The test item and the test method of EN 10089:2002 Spring Steel Flat Bars , 55Cr3 Steel Material should conform to the following table:
Item |
Item of test |
Quantity of sample |
location of sample |
test method |
1 |
chemical composition |
1/furnace |
random |
ASTM A29 |
2 |
hardness |
3 |
Different bars |
GB/T231.1 |
3 |
Jominy |
1 |
random |
GB/T225 |
4 |
macrostructure |
2 |
Different bars |
ASTM E381 |
5 |
decarbonization |
3 |
Different bars |
GB/T224 |
6 |
Non-metal inclusions |
6 |
Different bars |
ASTM E45 |
7 |
Grain size |
1 |
random |
ASTM E112 |
8 |
surface |
Every bar |
Through the bar |
With naked eyes |
9 |
measurement |
Every bar |
Through the bar |
Callipers,micrometer |
Production Process:
Contact person: Catherine Zhang
Skype: catherine_1204_
Whatsapp: +8613820768509
Mobile: +8613820768509
QQ/Wechat: 522544550
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