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steel wire rod for welding Dia.5.5mm,6.5mm
Grade
|
Chemical Composition %
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Ni
|
Cu
|
No More Than
|
ER50-6E
|
0.06~0.09
|
1.40~1.60
|
0.80~0.95
|
0.020
|
0.020
|
0.10
|
0.15
|
0.10
|
H10MnSiA
|
0.06~0.15
|
0.90~1.40
|
0.45~0.75
|
0.030
|
0.025
|
0.20
|
0.30
|
0.20
|
H10Mn2
|
≤0.12
|
1.50~1.90
|
≤0.07
|
0.035
|
0.035
|
0.20
|
0.30
|
0.20
|
H08Mn2Si
|
≤0.11
|
1.70~2.10
|
0.65~0.95
|
0.035
|
0.035
|
0.20
|
0.30
|
0.20
|
H08Mn2SiA
|
≤0.11
|
1.80~2.10
|
0.65~0.95
|
0.030
|
0.030
|
0.20
|
0.30
|
0.20
|
high carbon material Quality Galvanized Spring Steel Wires
Steel Grade
GB Standard
|
Carbon
%
|
Silicon
%
|
Manganese
%
|
Phosphorus
%
|
Sulphur
%
|
Chromium
%
|
Nickel
%
|
Cuprum
%
|
60#
|
0.60-0.61
|
0.18-0.22
|
0.52-0.59
|
0.012
|
0.007
|
0.06-0.07
|
0.05
|
0.18
|
65#
|
0.65
|
0.21
|
0.56
|
0.013
|
0.008
|
0.05
|
0.04
|
0.14
|
65Mn
|
0.60-0.70
|
0.10-0.25
|
0.70-1.00
|
0.030
|
0.030
|
0.20
|
0.20
|
0.25
|
70#
|
0.69-0.71
|
0.19-0.21
|
0.53-0.58
|
0.010-0.012
|
0.003-0.006
|
0.01-0.05
|
0.02-0.04
|
0.04
|
72A 72B
|
0.72
|
0.19
|
0.71
|
0.013
|
0.006
|
0.02
|
0.02
|
0.03
|
80#
|
0.80-0.81
|
0.22-0.24
|
0.59-0.76
|
0.008
|
0.004
|
0.04
|
|
|
82A 82B
|
0.82
|
0.24-0.25
|
0.76-0.77
|
0.011-0.014
|
0.004-0.007
|
0.17-0.17
|
|
|
High Carbon Spring Steel Wire
|
wire diameter(mm)
|
Tensile Strength(N/mm² )
|
Grade A
|
Grade B
|
Grade C
|
0.30
|
|
2370-2650
|
|
0.40
|
|
2270-2550
|
|
0.50
|
|
2200-2470
|
|
0.60
|
|
2140-2400
|
|
0.70
|
|
2090-2350
|
|
0.80
|
|
2050-2300
|
|
1.00
|
1720-1970
|
1980-2220
|
|
1.20
|
1670-1910
|
1920-2160
|
|
1.40
|
1620-1860
|
1870-2100
|
|
1.60
|
1590-1820
|
1830-2050
|
|
1.80
|
1500-1780
|
1790-2010
|
|
2.00
|
1520-1750
|
1760-1970
|
1980-2200
|
3.00
|
1410-1620
|
1630-1830
|
1840-2040
|
4.00
|
1320-1520
|
1530-1730
|
1740-1930
|
5.00
|
1260-1450
|
1460-1650
|
1660-1840
|
6.00
|
1210-1390
|
1400-1580
|
1590-1770
|
7.00
|
1160-1340
|
1350-1530
|
1540-1710
|
8.00
|
1120-1300
|
1310-1480
|
1490-1660
|
9.00
|
1090-1260
|
|
Original
By certification 
