Leaf Spring Raw Material Sup9a Spring Steel Flat Bar
SUP9A flat steel
Our Advantages:
1.Tianjin Daqiang Steel Co.,Ltd. is a factory,combination of steel making,steel rolling,and making leaf spring.
2. We have advanced testing equipment.
3. We can produce different steel materials according to the chemical composition of your request.
Flat steel section:
SUP9A Flat steel chemical composition table:
Standard |
Brand |
Chemical composition |
|||||
C |
Si |
Mn |
Cr |
P |
S |
||
≤ | |||||||
GB/T1222-2007 |
60CrMnA |
0.56-0.64 |
0.17-0.37 |
0.70-1.00 |
0.70-1.00 |
0.025 |
0.025 |
JIS G4801-2005 |
SUP9A |
0.56-0.64 |
0.15-0.35 |
0.70-1.00 |
0.70-1.00 |
0.030 |
0.030 |
EN 10089:2002DIN |
60Cr3 |
0.55-0.65 |
≤0.40 |
0.70-1.00 |
0.60-0.90 |
0.025 |
0.025 |
ASTM A322-91ASTM A304-05 |
5160 |
0.56-0.61 |
0.15-0.35 |
0.75-1.00 |
0.70-0.90 |
0.035 |
0.040 |
Spring flat steel SUP9A performance requirements:
Standard |
Brand |
Heat treatment |
Mechanical Properties |
Hardness ≤ |
|||||
Quenching (°C) |
Medium |
Tempering (°C) |
σs (Mpa) |
σb (Mpa) |
δ (%) |
ψ (%) |
|||
GB/T1222-2007 |
60CrMnA |
830~860 |
Oil |
460~520 |
1080 (σ0.2) |
1225 |
9 |
20 |
321 |
ASTM A322-91 / ASTM A304-05 |
SAE5160H |
830~860 |
Oil |
460~520 |
1080 (σ0.2) |
1225 |
9 |
20 |
321 |
SAE5160 |
830~860 |
Oil |
460~520 |
1080 (σ0.2) |
1225 |
9 |
20 |
321 |
|
JIS G4801-2005 |
SUP9A |
830~860 |
Oil |
460~520 |
1080 (σ0.2) |
1230 |
9 |
20 |
302 |
Method of test:
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 show :
Packing and shipping:
laboratory:
Our company:
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