DSR Music Spring
Wire use 0.8%C Grade of high carbon steel.
Its' excellence in chemical & physical properties
is used in
automobiles, electronic equipment,
precision machines and other precision spring
with the excellent strength, elasticity, creep
and resistance to fatigue.
Chemical Composition
Classification
Chemical Composition
(%)
C
Si
Mn
P
S
Cu
PWR 62A
0.60 ~ 0.65
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 62B
0.60 ~ 0.65
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 67A
0.65 ~ 0.70
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 67B
0.65 ~ 0.70
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 72A
0.70 ~ 0.75
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 72B
0.70 ~ 0.75
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 75A
0.73 ~ 0.78
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 75B
0.73 ~ 0.78
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 77A
0.75 ~ 0.80
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 77B
0.75 ~ 0.80
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 80A
0.78 ~ 0.83
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 80B
0.78 ~ 0.83
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 82A
0.80 ~ 0.85
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 82B
0.80 ~ 0.85
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 87A
0.85 ~ 0.90
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 87B
0.85 ~ 0.90
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
PWR 92A
0.90 ~ 0.95
0.12 ~ 0.32
0.30 ~ 0.60
0.025 under
0.025 under
0.025 under
PWR 92B
0.90 ~ 0.95
0.12 ~ 0.32
0.60 ~ 0.90
0.025 under
0.025 under
0.025 under
Packing
Dia(mm)
Inner Dia of Coil
Packing
mm
Inch
Coil Weight(kg)
Carrier Weight(kg)
0.60 ~ 0.99
300
12
50
-
1.00 ~ 1.59
400
16
100
500
1.60 ~ 1.99
500
20
100 ~ 150
500 ~ 700
2.00 ~ 2.59
600
24
100 ~ 200
700 ~ 1000
2.60 ~ 4.00
700
28
200 ~ 350
1000
4.01 ~ 7.00
760
30
200 ~ 350
1000
Mechanical Properties (KSD-3556)
Dia(mm)
Tensile
Strength N/mm2 (kgf/mm2)
PW-1
PW-2
0.60
2210 ~ 2450 (225 ~ 250)
2450 ~ 2700 (250 ~ 275)
0.65
2210 ~ 2450 (225 ~ 250)
2450 ~ 2700 (250 ~ 275)
0.70
2160 ~ 2400 (220 ~ 245)
2400 ~ 2650 (245 ~ 270)
0.80
2110 ~ 2350 (215 ~ 240)
2350 ~ 2600 (240 ~ 265)
0.90
2110 ~ 2300 (215 ~ 235)
2300 ~ 2500 (235 ~ 255)
1.00
2060 ~ 2260 (210 ~ 230)
2260 ~ 2450 (230 ~ 250)
1.20
2010 ~ 2210 (205 ~ 225)
2210 ~ 2400 (225 ~ 245)
1.40
1960 ~ 2160 (200 ~ 220)
2160 ~ 2350 (220 ~ 240)
1.60
1910 ~ 2110 (195 ~ 215)
2110 ~ 2300 (215 ~ 235)
1.80
1860 ~ 2060 (190 ~ 210)
2060 ~ 2260 (210 ~ 230)
2.00
1810 ~ 2010 (185 ~ 205)
2010 ~ 2210 (205 ~ 225)
2.30
1770 ~ 1960 (180 ~ 200)
1960 ~ 2160 (200 ~ 220)
2.60
1770 ~ 1960 (180 ~ 200)
1960 ~ 2160 (200 ~ 220)
2.90
1720 ~ 1910 (175 ~ 195)
1910 ~ 2110 (195 ~ 215)
* Calculation
of Weight and Length for Hard Drawn Steel Wire
* Weight for hard Drawn Steel Wire(Kg) = Diameter(mm)
X Diameter(mm) X 0.006165 X Length(M)
* Length for Hard Drawn Steel Wire(M) = Weight (kg)
/ Diameter(mm) / Diameter(mm) / 0.006165