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Spring Wire & Alloy Spring Wire
Spring Wire
Application: for general application spring and mechanical spring.
Beside to make the wire according to the standard, we also try to supply the wire according customer'sspecial requirement.
Technical specification:
(1)Standard: DIN17223-1-1984,EN10270-1,ASTM-A227,GB4357-89
(2)Size: 0.20mm-14.0mm
1. General introduction:
Raw material is rigorously selected and approved before put into processing while five mainchemical compostion results shown as below:
C
Si
Mn
P
S
0.40-1.00
Max 0.35
0.30-1.50
Max 0.04
Max 0.04
For serving spring and wire form industry, high tensile strength is not the ultimate goal to pursue,
but the balance of flexibility and tensile strength to prevent our wire from deformed or broken up
during winding in spring machine. In addition, for other usage, our products also have gained a
sound reputation from the appliance as controlling cable or connecting wire for automobile industry
and hard needle. Hot-dipped and electro-galvanized spring wire available.
2. Range of application:
(1) mattress spring
(2) compression spring
(3) extension spring
(4) torsion spring
(5) mechanical spring
(6) wire forms
(7) core of controlling cable
(8) connecting wire
(9) hard needle
3. Specifications:
(1) 0.30mm-13.00mm to comply with DIN17223-1-1984 Class B
(2) 0.30mm-3.50mm to comply with DIN1723-1-1984, Class C, EN10270-SH
(3) 0.30mm-2.00mm to comply with DIN1723-1-1984 Class D
(4) 0.30mm-13.00mm to comply with ASTM-A227 grade I and II
(5) lightly-oiled or heavily-oiled subject to requirement.
(6) Other standards are subject to requirements, such JIS, AS or GBDIAMETER (MM)
TENSILE STRENGTH
(MPa)
TORSIONS
Min./360°
1
0.30mm
2010-3000
20
2
0.45mm
2200-2600
20
3
0.50mm
2200-2600
20
4
0.55mm
2150-2550
20
5
0.60mm
2110-2500
20
6
0.70mm
2060-2450
20
7
0.80mm
2010-2400
20
8
0.90mm
2010-2350
20
9
1.00mm
1960-2300
20
10
1.20mm
1910-2250
20
11
1.40mm
1860-2210
20
12
1.60mm
1810-2160
20
13
1.80mm
1760-2110
15
14
2.00mm
1710-2010
15
15
2.30mm
1660-1960
15
16
2.60mm
1660-1960
15
17
2.90mm
1620-1910
12
18
3.20mm
1570-1860
12
19
3.60mm
1570-1810
12
20
4.00mm
1570-1810
21
4.50mm
1520-1710
22
5.00mm
1470-1710
23
5.50mm
1470-1710
24
6.0mm-8.0mm
1370-1660
25
9.0mm-14.0mm
1130-1420
Packing: in coil or in carrier
Coil weight: 5-1000kgs depends on different sizes
Normally it is oiled to anti rust.
Alloy Spring Wire
Application: for valve or spring (alloy wire)
Material: 55CrSi, 60Si2MnA, 50CrVA etc. (alloy wire)
Diameter: 0.5
Tensile strength: there are 3 classes including VD, VD CrV, VD SiCr
Specification: DIN17223/2-1990, ASTM A231, ASTM A232 etc.
Material
Chrome Vanadium
Chrome Silicon
ASTM A 231
ASTM A 401
Nominal Analysis
C -- .48 - .53%
C -- .51 - .59%
Cr -- .80 - 1.10%
Cr -- .60 - .80%
V -- .15 min%
Si -- 1.20 - 1.60%
Minimum Tensile Strength
1900-3000N/mm2
2350-3000N/mm2
Modulus of Elasticity E
30
30
psi x 103
Design Stress % Minimum
45
45
Tensile
Modulus in Torsion
11.5
11.5
G psi x 106
Maximum Temp. °F
425
475
Maximum Temp. °C
218.5
246
Rockwell Hardness
C41-55
C48-55
Method of Manufacture
Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature.
Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature.
Chief Uses
Special Properties
Coating : without coating
Packing : in coils, on steel formers or according to your requirements.
All can be produced according to customers' actual requirement
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