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Hot Sale High-carbon Spring Steel Wire Product Standard GB/T4357-2008

Hot Sale High-carbon Spring Steel Wire Product Standard GB/T4357-2008 photo-1
Hot Sale High-carbon Spring Steel Wire Product Standard GB/T4357-2008 photo-2
US$ 650 - 700 MOQ: 100 Metric Tons
Key Specifications
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Standard:
AISI, ASTM, BS, DIN, GB, JIS
Alloy Or Not:
Is Alloy
Brand Name:
AUS
Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai
Delivery Detail:
Delivery time depends on order quantity.
Standard AISI, ASTM, BS, DIN, GB, JIS
Alloy Or Not Is Alloy
Brand Name AUS
Wire Gauge 3-18 mm
Application Manufacturing
Special Use Cold Heading Steel

 chemical composition

 

grade c% si% mn% s% p%
65Mn 0.62-0.70 0.17-0.37 0.90-1.20 <0.035 <0.035
70 0.62-0.75 0.17-0.37 0.50-0.80 <0.035 <0.035
72B 0.69-0.76 0.15-0.35 0.60-0.90 <0.025 <0.025
82B 0.72-0.86 0.15-0.35 0.60-0.90 <0.025 <0.025

 

Mechanical properties

Diameter/mm Tensile strength/Mpa Roundness tolerance Diameter tolerance
Grade B       Grade C     

Grade D     

3.00 1370-1670 1570-1860 1710-1960

Less than half of H11

grade

accord with provsion

for h11 in the GB/T342

table

3.20-3.50 1320-1620 1570-1810 1660-1910
4.00-4.50 1320-1620 1520-1760 1620-1860
5.00-5.50 1320-1570 1470-1710 1570-1810
6.00 1220-1470 1420-1660 1520-1760
6.30 1220-1470 1420-1610  
7.00-8.0 1170-1420 1370-1570  
9.00-10.0 1130-1320 1320-1520  
11.0-12.0 1080-1270 1270-1470  
13.0 1030-1220 1220-1420  
14.0-18.0 According to technical agreement
packaging form
packaging form inner dia. External dia. kg/coil
coil 650-850 1000-1200 200-2200kg/coil
hot sale high-carbon spring steel wire product standard GB/T4357-2008

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Business Type
Manufacturer, Trading Company
Year Established
2013
Factory Size
1,000-3,000 square meters
Total Employees
5 - 10 People