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DIN17221 55cr3 Hot Rolled Flat Bar

China DIN17221 55cr3 Hot Rolled Flat Bar, Find details about China Hot Rolled Spring Flat Steel, Leaf Spring Steel from DIN17221 55cr3 Hot Rolled Flat Bar

Model NO.
Thickness 5mm - 35mm, Width 35mm - 165mm
Special Use
High-strength Steel Plate
Place of Origin
Tianjin, China (Mainland)
Brand Name
Daqiang
Surface1
Smooth Plain
Surface2
Double Grooved
Production Line
Short Stress Production Line
Thickness
6~20mm
Width
40~150mm
Capacity
40, 000tons Per Month
Package
Standard Export Packing
Trademark
DaQiang
Specification
ISO9001: 2008/SGS/BV
Origin
Tianjin, China
HS Code
72283090
Model NO.
Thickness 5mm - 35mm, Width 35mm - 165mm
Special Use
High-strength Steel Plate
Place of Origin
Tianjin, China (Mainland)
Brand Name
Daqiang
Surface1
Smooth Plain
Surface2
Double Grooved
Production Line
Short Stress Production Line
Thickness
6~20mm
Width
40~150mm
Capacity
40, 000tons Per Month
Package
Standard Export Packing
Trademark
DaQiang
Specification
ISO9001: 2008/SGS/BV
Origin
Tianjin, China
HS Code
72283090
DIN17221 55Cr3 hot rolled flat bar
We are Tianjin Daqiang Steel Co.,Ltd. We are the leading factory of spring steel flat bar in North China.
Type: round angle, right angle, double groove.
Specification: 5mm x 35mm - 35mm x 165mm
Dimension: Thickness 5mm - 35mm, Width 35mm - 165mm, Length 3m - 6m.  
China Standard GB/T1222-1984, Grade 65Mn, 55Si2Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 60CrMnA, 60CrMnBA, 50CrVA;
Japan Standard JIS G4801-2005, Grade SUP6, SUP7, SUP9, SUP9A, SUP10A, SUS11
Germany Standard DIN17221-1988, Grade 60Si7, 55Si7, 55Cr3, 50CrV4, 51CrV4
American Standard ASTM A322-5160/9260, Grade SAE1066, SAE1070, SAE5155, SAE5160, SAE6150, SAE9255, SAE9260
European Standard EN10089:2002
We also make production to order for some other steel grades of complex alloy steel.  
 
Spring steel bar is the raw material to produce laminated leaf spring suspension for trucks, vehicles, rotary coulter etc. It is also used for rotary coulter and chains etc. We have good quality and competitive price. We are the supplier of raw material for many domestic and foreign manufacturers of leaf spring and trucks. 


Chemical  Composition
Steel  Grade Chemical  Composition    (%)
CSiMnCrVWBNiCuPS
Not  more  than 
650.62-0.700.17-0.370.50-0.80≤ 0.25


0.250.250.0350.035
700.62-0.750.17-0.370.50-0.80≤ 0.25


0.250.250.0350.035
850.82-0.900.17-0.370.50-0.80≤ 0.25


0.250.250.0350.035
65Mn0.62-0.700.17-0.370.90-1.20≤ 0.25


0.250.250.0350.035
55SiMnVB0.52-0.600.17-1.001.00-1.30≤ 0.350.08-0.16
0.0005-0.00350.350.250.0350.035
60Si2Mn0.56-0.641.50-2.000.70-1.00≤ 0.35


0.350.250.0350.035
60Si2MnA0.56-0.641.60-2.000.70-1.00≤ 0.35


0.350.250.0350.025
60Si2CrA0.56-0.641.40-1.800.40-0.700.70-1.00


0.350.250.0350.025
60Si2CrVA0.56-0.641.40-1.800.40-0.700.90-1.200.10-0.20

0.350.250.0350.025
55SiCrA0.51-0.591.20-1.600.50-0.800.50-0.80


0.350.250.0250.025
55CrMnA0.52-0.600.17-0.370.65-0.950.65-0.95


0.350.250.0250.025
60CrMnA0.56-0.640.17-0.370.70-1.000.70-1.00


0.350.250.0250.025
50CrMnA0.46-0.540.17-0.370.50-0.800.80-1.100.10-0.20

0.350.250.0250.025
60CrMnBA0.56-0.640.17-0.370.70-1.000.70-1.00

0.0005-0.00400.350.250.0250.025
30W4Cr2VA0.26-0.340.17-0.37≤ 0.402.00-2.500.50-0.804.00-4.50
0.350.250.0250.025

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