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GB,JIS,DIN,BS,ASTM Standard and leaf spring, rotary tillage coulter knife application spring steel
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Product Details
Place of Origin | Tianjin, China | Brand Name | DAQIANG | |
Model Number | sup10/50crv4/51crv4 | Application | Other, Industrial, Automotive Suspension Springs | |
Shape | Round | Length | 4m-8m, 4m-8m | |
Grade | SUP9/SUP9A/55Cr3/50CrV4 |
SAE 9260 60Si2Mn Leaf Spring Steel:Standard Export Packing.
Product Description
SUP9 Spring Steel Flat Bars
- Ranking Top Three Supplier in automotive industry by making advanced quality Spring Steels Flat Bars, Leaf Springs.
- We make Steel Billets by our own plant, 1000-2000MT/Day. We can make steel as per your requirement.
- Certificated by ISO9001:2008, Located in Tianjin City, China.Highly Acclaimed Manufacturer and Exporter of Spring Steel Products.
- Wholely-owned subsidiary of Daqiang Steel, responsible for International Trading. Factory directly exported.
- We warmly welcome steel material orders from home and abroad, and we can supply with most competitive price.
Measurement | Thickness | Width | Length |
5mm~32mm | 45mm~130mm | 4m-8m (customized) | |
Edge(Cross Section) | round edge profile to DIN59145 | Square edge profile to DIN59146 | |
Bundle Weight | Around 2.0 MT | ||
Technique | Hot Rolled | ||
Surface | Grooved | Plain-smoothed | |
Quenchant | Oil/Water | ||
Temper Stressing | 480°C-560°C | ||
Quenching Temprature: | 800°C-1000°C | ||
OEM | Material Composition Offered by Customers | ||
Application | sup9/sup9a/sup10/55Cr3/50CrV4 | Automotive suspension springs | |
sup7/9260/30CrMnB/27CrMnB | Rotary tools and Blades | ||
Payment Term | 100% L/C at Sight. | 30% T/T Down Payment, Balance Against B/L Copy. | |
Packing | In bundles. Each bundle packed with 2 steel strips and 3 steel wires. |
Sup9 spring steel flat bars
Spring Steel Making Process
- SAMPLES ARE FREE OF CHARGE.
- Our People:
By fostering team-work and trust, with a commitment to quality and deliver.
- Our Offer:
By reliable conditions and services to build outstanding relationship with our customers.
- Our Innovative Approach:
By continuously improving our technology, processes, products and services.
flat spring steel bar
Sup9 spring steel flat bars
Company Profile

Tianjin Qiangbang Industrial Co., Ltd., wholly owned subsidiary of Tianjin DaQiang Steel Co., has dedicated in steel industry for almost 20 years. With the philosophy "Customers and Credibility above all, people -oriented and community-serving", the company has developed into a large comprehensive enterprise capable of steel smelting, rolling and making. Products include Spring steel flat bars, Leaf springs, Rotary Blades, and Construction material Prestressed Concrete steel strand, PC steel wires. National inspection-free. OEM services available.
Contact Us
- Tianjin Qiangbang Industrial Co., Ltd.
- Contact nameLisa Ren Chat Now
- Phone86-22-87820460
- AddressRoom 2-1403, Haiyi International Mansion, Huayuan Industrial Park
Product Categories
New Products
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Leaf spring raw material spring steel flat bar with 5160 spring steel
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Leaf spring raw material spring steel flat bar with 5155 spring steel
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Leaf spring raw material spring steel flat bar with 9620 spring steel
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Leaf spring raw material spring steel flat bar with 1066 spring steel
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QIANGBANG hot rolled 51CrV4 spring steel for truck leaf spring
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QIANGBANG hot rolled DIN55Cr3 spring steel for truck leaf spring
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QIANGBANG hot rolled DIN60Si7 spring steel for truck leaf spring
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QIANGBANG hot rolled SUP9A spring steel for truck leaf spring
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QIANGBANG hot rolled SUP9 spring steel for truck leaf spring
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QIANGBANG hot rolled SUP7 spring steel for truck leaf spring
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QIANGBANG hot rolled SUP6 spring steel for truck leaf spring
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QIANGBANG hot rolled 6150 spring steel for truck leaf spring
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QIANGBANG hot rolled 5155 spring steel for truck leaf spring
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QIANGBANG hot rolled 9620 spring steel for truck leaf spring
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QIANGBANG hot rolled 1066 spring steel for truck leaf spring
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QIANGBANG hot rolled 60CrMnA spring steel for truck leaf spring
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QIANGBANG hot rolled 5160 spring steel for truck leaf spring
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QIANGBANG hot rolled 60Si2MnA spring steel for truck leaf spring
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QIANGBANG hot rolled 60Si2Mn spring steel for truck leaf spring
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High-strength 50CrVA spring steel flat bar for leaf spring
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DAQIANG hot rolled 65Mn spring steel for truck leaf spring
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High-strength 60CrMnA spring steel flat bar for leaf spring
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High-strength 55CrMnA spring steel flat bar for leaf spring
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sup9 daqiang factory produced spring steel flat bar
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