Tianjin Qiangbang Industrial Co., Ltd.

Sup 9 Steel, Spring Flat Bar, Spring Steel Flat manufacturer / supplier in China, offering ASTM, JIS, GB, AISI Standard and Mold Steel Special Use Hot Rolled Spring Steel Flat Bar, 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 ASTM, JIS, GB, AISI Standard and Mold Steel Special Use Hot Rolled Spring Steel Flat Bar

ASTM, JIS, GB, AISI Standard and Mold Steel Special Use Hot Rolled Spring Steel Flat Bar

FOB Price:US $450 - 550 / Ton
Min. Order (Tons) FOB Price
25+ US $450-550 / Ton
Get Latest Price
Min. Order: 25 Tons
Port: Tianjin, China
Production Capacity: 40000 Ton/Month
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info.

Model NO.:Thickness 4.5mm - 35mm, Width 40mm - 150mm
Type:Steel Plate
Surface Treatment:Coated
Technique:Hot Rolled
Application:Truck Suspension
Special Use:Plough Coulter
Brand Name:Daqiang
Place of Origin:Tianjin, China (Mainland)
Length:as Customers′ Requirements
Usage:Laminated Leaf Spring, Chains for Trucks
Capacity:40, 000 Tons Per Month
Surface1:Smooth Plain
Surface2:Double Grooved
Transport Package:Export Packing
Specification:GB, ASTM, JIS
Origin:Tianjin, China
HS Code:72283090

Product Description

ASTM,JIS,GB,AISI Standard and Mold Steel Special Use hot rolled spring steel flat bar


1. Grade from SUP6(9260), SUP9(5155), SUP9A(5160), SUP10A(6150), SUP11(51B60), 65Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 55Cr3, 60CrMnA, 50CRV4, 51CrV4;
2. Width from 40mm to 165mm;
3. Thickness from 6mm to 35mm;
4. Length is customized;
5. Other construction steel 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

--------------- Features ---------------

1. High Strength & Toughness
2. Good Hardenability & Plasticity
3. Excellent Decarburization
4. Strong Resistance & Good Elasticity
5. Perfect Machinability

-------------- Choose Us As Your Reliable Supplier ------------

1. Superior quality with good elasticity.
2. Short delivery time, reasonable price and best payment condition.
3. Samples available for free.
5. Outstanding service.

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

We are anticipating your order soon.
GB/T 1222/2007  
Steel GradeSiMnCrVBPS  
65Mn0.62-0.700.17-0.370.90-1.20≤0.25  0.0350.035  
60Si2Mn0.56-0.641.50-2.000.70-1.00≤0.30  0.0350.035  
60Si2MnA0.56-0.641.60-2.000.70-1.00≤0.35  0.0250.025  
55CrMnA0.52-0.600.17-0.370.65-0.950.65-0.95  0.0250.025  
60CrMnA0.56-0.640.17-0.370.70-1.000.70-1.00  0.0250.025  
50CrVA0.46-0.540.17-0.370.50-0.800.80-1.100.10-0.20 0.0250.025  
JIS G 4801:2005  
Steel GradeSiMnCrVBPS  
Sup60.56-0.641.50-1.800.70-1.00   0.0300.030  
Sup70.56-0.641.80-2.200.70-1.00   0.0300.030  
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  
Sup100.47-0.550.15-0.350.65-0.950.80-1.100.15-0.25 0.0300.030  
Sup11A0.56-0.640.15-0.350.70-1.000.70-1.00 0.00050.0300.030  
Sup120.51-0.591.20-1.600.60-0.900.60-0.90  0.0300.030  
DIN 17221-1988  
Steel GradeSiMnCrVBPS  
60SiCr70.57-0.651.50-1.800.70-1.000.20-.040  0.0300.030  
55Cr30.52-0.590.25-0.500.70-1.100.70-1.00  0.0300.030  
50CrV40.47-0.550.15-0.400.70-1.100.90-1.200.10-0.20 0.0300.030  
BS EN 10089:2002  
Steel GradeSiMnCrVBPS  
61SiCr70.57-0.651.60-2.000.70-1.000.20-.045  0.0250.025  
55Cr30.52-0.59≤0.400.70-1.000.70-1.00  0.0250.025  
51CrV40.47-0.55≤0.400.70-1.100.90-1.200.10-0.25 0.0250.025  
ASTM standard  
Steel GradeSiMnCrVBPS  
10450.43-0.500.17-0.370.60-0.90≤0.25  0.0400.050  
51550.51-0.590.15-0.350.70-0.900.70-0.90  0.0350.040  
51600.56-0.610.15-0.350.75-1.000.70-0.90  0.0350.040  
61500.48-0.530.15-0.350.70-0.900.80-1.10  0.0350.040  
92600.56-0.641.80-2.200.75-1.00   0.0350.040  
Steel GradeCSiMnPSCrBCuTiNi
30MnCrB50.27-0.320.15-0.301.10-1.40≤0.035≤0.0350.35-0.400.002 0.02-0.050.05-0.15
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Tianjin Qiangbang Industrial Co., Ltd.

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

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