Tianjin Qiangbang Industrial Co., Ltd.

Spring Steel, Sup9 Spring Steel, Spring Steel Flat Bar manufacturer / supplier in China, offering 55crmna Spring Steel Flat for Leaf Spring, Individual Epoxy-Coated Wire Prestressing Steel Strand, Epoxy Coated Steel Strand for Prestressing Concrete and so on.

Supplier Homepage Product List Hot Rolled Steel Flat Bars 55crmna Spring Steel Flat for Leaf Spring

55crmna Spring Steel Flat for Leaf Spring

FOB Price:US $600 / Ton
Min. Order (Tons) FOB Price
25+ US $600 / Ton
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Min. Order: 25 Tons
Port: Tianjin, China
Production Capacity: 10000 Ton/Month
Payment Terms: L/C, T/T, D/P

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Basic Info.

Model NO.:4mm x 40mm - 35mm x 150mm
Type:Steel Flat Bar
Surface Treatment:Coated
Technique:Hot Rolled
Application:Laminated Leaf Spring, Coulters
Special Use:High-strength Steel Plate
Length:2-6 Meters
Capacity:40, 000 Tons Per Month
Usage:Laminated Leaf Spring, Coulter
Package:Standard Export Packing
Surface1:Smooth Plain
Surface2:Double Grooved
Brand Name:Daqiang
Place of Origin:Tianjin, China (Mainland)
Transport Package:Export Packing
Specification:GB, ASTM, JIS, DIN, SAE, AISI, ASTM
Origin:Tianjin, China

Product Description

55CrMnA spring steel flat for leaf spring 

We produce and provide spring steel and alloy steel and carbon steel flat bars.  

Top three 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. Highly Acclaimed Manufacturer and Exporter of Spring Steel Products.


1. Grades:
GB: 65Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 60CrMnA, 50CrVA; S45C
DIN. 60Si7, 55Si7, 60SiCr7, 55Cr3, 51CRV4; 
SAE: 6150, 5160, 5160H, 9260, 1045
EN: 30CrMnB5, 28CrMnb5, 27Crmnb5, EN45,

2. Width from 40mm to 150mm;
3. Thickness from 4mm to 35mm;
4. Length is customized (normally 2m-6m);
5. Other steel products are available.


1. Package: 1.0-4.0 tons each bundle, packed with steel strips.
2. Min Order Qty: 20-26MT in one 20'' container
3. Delivery Time: 7-15 working days
4. Price Terms: FOB, CFR, CIF
5. Payment Terms: L/C at sight of T/T against shipping documents

Sincerely welcome to visit our factory and pls feel free to contact with us.

We are anticipating your order soon.
StandardMaterial/   GradeCSiMnCrVPS
DIN 1722160SiCr70.57-0.651.50-1.800.70-1.000.20-0.40 0.0300.030
55Cr30.52-059≤0.400.70-1.000.70-1.00 0.0250.025
60Cr3 0.56-0.640.17-0.370.70-1.000.70-1.00 0.0250.025
JIS G4801SUP60.55-0.651.50-1.800.70-1.00--- 0.0350.035
SUP70.55-0.651.80-2.200.70-1.00--- 0.0350.035
SUP90.52-0.600.15-0.350.65-0.950.65-0.95 0.0300.030
SUP9A0.56-0.640.15-0.350.70-1.000.70-1.00 0.0300.030
SAE J12689260/H0.55-0.650.70-1.200.65-1.10≤0.2 0.0400.030
51550.50-0.600.15-0.350.65-1.100.60-1.00 0.0400.030
5160/H0.55-0.650.15-0.350.65-1.100.60-1.00 0.0400.030
61500.47-0.540.15-0.350.60-1.000.75-1.20≤ 0.150.0400.030
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Tianjin Qiangbang Industrial Co., Ltd.

- Tianjin, China
- Manufacturer/Factory, Trading Company, Group Corporation

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