For Spring

DSR's Stainless Steel Wire for Spring is supplying the Products with excellent mechanical properties (advanced surface, cast & helix) for a uniformity of goods following spring wire shape under the strict quality control with our technology from wire rod to final products, fulfilled with suitable coated treatment classified by the usages.

 
     Surface Finish & Applications
Type Symbol Grade Dia(mm) Applications
S-CO WPA AISI 302, 304, 304N1, 316 0.20 ~ 7.00 일반 스프링용
WPB AISI 302, 304, 304N1 0.20 ~ 6.00
WPC AISI 631J1 0.20 ~ 4.00
Bright WPA AISI 302, 304, 304N1, 316 0.15 ~ 7.00 광택이 필요한 Forming 가공
및 스프링용
WPB AISI 302, 304, 304N1 0.15 ~ 6.00
Ni-Co WPA AISI 302, 304, 304N1, 316 0.20 ~ 1.60 정밀 스프링용
고속자동 COIL용
WPB AISI 302, 304, 304N1
WPC AISI 631J1
Ni-Co Bright WPA AISI 302, 304, 304N1, 316 0.15 ~ 1.60
WPB AISI 302, 304, 304N1
 
     Mechanical Properties
Dia(mm) Tolerance
(mm)
Tensile Strength N/mm2(kgf/mm2)
CLASS A CLASS B CLASS C
AISI 302 - WPAAISI 304 - WPAAISI 316 - WPA AISI 302 - WPBAISI 304 - WPB AISI 631J1-WPC
0.16 ±0.005 1650 - 1900 2150 - 2400 1950 - 2200
0.18
0.20
0.23 ±0.008 1600 - 1850 2050 - 2300 1930 - 2180
0.26
0.29
0.32
0.35
0.40
0.45 ±0.010 1950 - 2200 1850 - 2100
0.50
0.55
0.60
0.65 1530 - 1780 1850 - 2100 1800 - 2050
0.70
0.80
0.90 ±0.015
1.00
1.20 1450 - 1700 1750 - 2000 1700 - 1950
1.40
1.60 1400 - 1650 1650 - 1900 1600 - 1850
1.80 ±0.020
2.00
2.30 1320 - 1570 1550 - 1800 1500 - 1750
2.60
2.90 1230 - 1480 1450 - 1700 1400 - 1650
3.20
3.50 ±0.030
4.00
4.50 1100 - 1350 1350 - 1600 -
5.00
5.50
6.00
6.50 ±0.035 1000 - 1250 -
7.00
 
     ● Packing
SPOOL(Wooden Reel)
Dia(mm) Packing (F X B X W : A) App. W/T(kg)
0.16 ~ 0.44 DIN 200 12
DIN 250 20
DIN 355 40
SH390 15
SH460 35
SH460 35
0.45 ~ 0.79 400x300x200(60) 50
450x300x240(60) 100
700x380x250(60) 250
0.80 ~ 1.59 500x400x300(60) 100
600x400x390(60) 300
700x380x250(60) 350
1.60 ~ 1.90 500x400x300(60) 100
600x400x390(60) 300
700x380x250(60) 350
1.91 ~ 4.00 500x400x300(60) 100
600x400x390(60) 300
750x380x480(130) 500
 
COIL
Dia(mm) Coil I.D (Inch) App. W/T(kg)
0.20 ~ 0.30 8 10
0.30 over ~ 0.40 8 10
0.40 over ~ 0.50 8 ~ 10 10
0.50 ~ 0.80 12 20 ~ 25
0.80 ~ 0.90 16 25 ~ 35
0.90 over ~ 1.00 16 25 ~ 50
1.0 over ~ 1.80 16 25 ~ 50
1.80 over ~ 2.30 24 100
2.30 over ~ 4.00 24 100 ~ 200
4.00 over ~ 7.00 24 200 ~ 500
 
Carrier
Dia(mm) Coil I.D (Inch) App. W/T(kg)
1.91 ~ 7.00 24 910
 
     CAST & HELIX(PITCH)
The most important thing to make high quality spring is how to control cast & helix. As our specifications are based on lots of customer's demands, we have ever made control of it as follows:
   
Dia(mm) Coil I.D(Inch) Cast(mm) Helix(mm)
0.20 ~ 0.40 8 200 ~ 300 30 under
0.40 over ~ 0.50 8 200 ~ 300
10 250 ~ 370
0.50 ~ 0.80 12 300 ~ 450
0.80 ~ 0.90 16 400 ~ 600
0.90 over ~ 1.00 50 under
1.00 over ~ 1.80
1.80 over ~ 2.30 24 600 ~ 900 60 under
2.30 over ~ 7.00