Sup9 5-32mm thickness 45-130mm width spring steel flat bar manufacturer
- 2000 Metric Ton / Metric Tons per Month
- xingang tianjin China
- T/T L/C D/P D/A Credit Card PayPal
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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 Bar
- 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
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