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Sup9 Flat Bar for Auto Leaf Spring

China Sup9 Flat Bar for Auto Leaf Spring, Find details about China Spring Flat Steel, Flat Spring Steel Bar from Sup9 Flat Bar for Auto Leaf Spring

Model NO.
SUP9
Width
40~150mm
Length
as Customers′ Requirements
Capacity
40, 000tons Per Month
Package
Standard Export Packing
Trademark
DaQiang
Specification
ASTM, GB, DIN...
Origin
Tianjin
Model NO.
SUP9
Width
40~150mm
Length
as Customers′ Requirements
Capacity
40, 000tons Per Month
Package
Standard Export Packing
Trademark
DaQiang
Specification
ASTM, GB, DIN...
Origin
Tianjin
SUP9 FLAT BAR FOR AUTO LEAF SPRING
1. Grade: 60si2mn, 50CrVA, 55CrMnA, sup-9, 65Mn etc.
2. Type: Smooth plain, double grooved.
3. Sizes: Width 40-150mm, thickness 6-30mm, length 2-8m.
4. Specifications: A variety of sizes from 6x40 to 30x150mm
5. Usage: Laminated leaf spring suspension for automobile and vehicle, agricultural implements (rotary coulter), tools and machines etc.

Profile
1. We are a medium-scale steel mill for spring flat steel. Daqiang Brand spring flat steel is in excellent quality and competitive price.
2. We can produce spring flat steel with non-standard customized sizes of width, length and thickness, according to the customer's requirement.
Chemical  Composition
Steel  Grade  Chemical  Composition    (%)
C Si Mn Cr V W B Ni Cu P S
Not  more  than 
65 0.62-0.70 0.17-0.37 0.50-0.80 ≤ 0.25       0.25 0.25 0.035 0.035
70 0.62-0.75 0.17-0.37 0.50-0.80 ≤ 0.25       0.25 0.25 0.035 0.035
85 0.82-0.90 0.17-0.37 0.50-0.80 ≤ 0.25       0.25 0.25 0.035 0.035
65Mn 0.62-0.70 0.17-0.37 0.90-1.20 ≤ 0.25       0.25 0.25 0.035 0.035
55SiMnVB 0.52-0.60 0.17-1.00 1.00-1.30 ≤ 0.35 0.08-0.16   0.0005-0.0035 0.35 0.25 0.035 0.035
60Si2Mn 0.56-0.64 1.50-2.00 0.70-1.00 ≤ 0.35       0.35 0.25 0.035 0.035
60Si2MnA 0.56-0.64 1.60-2.00 0.70-1.00 ≤ 0.35       0.35 0.25 0.035 0.025
60Si2CrA 0.56-0.64 1.40-1.80 0.40-0.70 0.70-1.00       0.35 0.25 0.035 0.025
60Si2CrVA 0.56-0.64 1.40-1.80 0.40-0.70 0.90-1.20 0.10-0.20     0.35 0.25 0.035 0.025
55SiCrA 0.51-0.59 1.20-1.60 0.50-0.80 0.50-0.80       0.35 0.25 0.025 0.025
55CrMnA 0.52-0.60 0.17-0.37 0.65-0.95 0.65-0.95       0.35 0.25 0.025 0.025
60CrMnA 0.56-0.64 0.17-0.37 0.70-1.00 0.70-1.00       0.35 0.25 0.025 0.025
50CrMnA 0.46-0.54 0.17-0.37 0.50-0.80 0.80-1.10 0.10-0.20     0.35 0.25 0.025 0.025
60CrMnBA 0.56-0.64 0.17-0.37 0.70-1.00 0.70-1.00     0.0005-0.0040 0.35 0.25 0.025 0.025
30W4Cr2VA 0.26-0.34 0.17-0.37 ≤ 0.40 2.00-2.50 0.50-0.80 4.00-4.50   0.35 0.25 0.025 0.025

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