- Farm Machinery Parts[6]
- Flat Steel[6]
- Spring Steel[6]
- Truck Suspension[3]
- Steel Sheets[1]
- Cultivators[2]
- Springs[2]
- Steel Wire[6]
- Metal Building Materials[6]
- Contact Person : Mr. Zhao Qing
- Company Name : Tianjin Daqiang Steel Co., Ltd.
- Tel : 86-22-68373072
- Fax : 86-22-68373072
- Address : Tianjin,Tianjin,Xizhaizhuang Village, Xizhaizhuang Town, Jinghai County, Tianjin, China
- Country/Region : China
- Zip : 301611
Truck Hot Rolled Spring Steel Flat Bar,carbon steel auto leaf spring,5160 spring steel bar
Related Product Searches:Truck Hot Rolled Spring Steel Flat Bar,carbon steel auto leaf spring,5160 spring steel bar,High Quality 5160 spring steel bar,5160 spring steel bar SUP-9A
Hot Rolled Spring Flat Steel Bar
1)Size tolerance:
Width: 40mm-150mm(+-0.3mm)
Thickness: 5mm to 30mm(+-0.2mm)
Length: 5.8meter(+-5cm) or base on order requirement
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 ,Taiwan
5)Delivery time: within two weeks after receive your advance payment or workble L/C at sight.
Production Process :
1)Iron Smelting 2)150*150mm billet
3)All kinds of grade billet prepared for flat bar production 4)Spring steel flat bar production line
5)Storage of kinds of grade flat bars 6)Ship loading for export
7)Usage
CHEMICAL COMPOSITION:
China |
| Components | HB=< | ||||||||||
America | Japan | Germany | C | Si | Mn | Cr | V | B | P | S | |||
=< | |||||||||||||
65Mn | 1066 |
|
| 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.25 |
|
| 0.035 | 0.035 | 302 | |
55Si2Mn | 9255 |
| 55Si7 | 0.52-0.60 | 1.50-2.00 | 0.60-0.90 | ≤0.35 |
|
| 0.035 | 0.035 | 302 | |
60Si2Mn | 9260 | SUP6 | 60Si7 | 0.56-0.64 | 1.50-2.00 | 0.60-0.90 | ≤0.35 |
|
| 0.035 | 0.035 | 321 | |
60Si2MnA | 9260 | SUP6 | 60Si7 | 0.56-0.64 | 1.60-2.00 | 0.60-0.90 | ≤0.35 |
|
| 0.030 | 0.030 | 321 | |
55CrMnA | 5155 | SUP9 | 55Cr3 | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 |
|
| 0.030 | 0.030 | 321 | |
60CrMnA | 5160 | SUP9A |
| 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 |
|
| 0.030 | 0.030 | 321 | |
50CrVA | 6150 | SUP10A | 51CrV4 | 0.46-0.54 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.10-0.20 |
| 0.030 | 0.030 | 321 | |
60CrMnBA | 51B60 | SUS11 | 58CrMnB4 | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 |
| 0.0005-0.004 | 0.030 | 0.030 | 321 | |
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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 | |||||||
SUP6 | 830-860 | 480-530 | 1079 Min | 1226 Min | 9 Min | 20 Min | 321 Max |
SUP9 | 830-860 | 460-510 | 1079 Min | 1226 Min | 9 Min | 20 Min | 321 Max |
SUP9A | 830-860 | 460-520 | 1079 Min | 1226 Min | 9 Min | 20 Min | 321 Max |
SUP10 | 840-870 | 470-540 | 1079 Min | 1226 Min | 10 Min | 20 Min | 321 Max |
SUP11A | 830-860 | 460-520 | 1079 Min | 1226 Min | 9 Min | 20 Min | 321 Max |
