Sinoray  Spring  Wire
 
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SINORAY Spring Wire Co. China Spring Wire Factory Email:info@springwire.net
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Home>>Spring Steel Wire
  Spring Steel Wire
 
   
         
         
  Galvanized Carbon Steel Spring wire for making mattresses and bonnel spring  
 
SINORAY spring steel wires fall into all specifications, both galvanized and ungalvanized.
 
Spring Steel Wire Technical Info:
 
Material: Top quality steel wire rods produced by Anshan Iron and Steel Group 45#, 60#, 65#, 70#, 42A, 62A, 72A, 72B, 82B, T9A, 65Mn
Size range: 0.15mm-4.0mm
Tolerance: ±0.01mm
Standards: GB/T 4357, DIN17223, EN10270, JIS G 3521 and so on
Application: mechanical springs
Packing: according to customers' specific requirements
 
Tensile Strength: As per your detailed requirements.
 
Uses: Spring steel wire is used in bonnel springs , spring mattresses, sofa springs.
 

We mainly supply following spring steel wires:

» Oil Tempered wire as per JIS G 3560 or equivalent
Diameter: 1.60mm

»  AISI 631 Hard Tempered Spring Wire

Wire diameter: 0.40 mm
Section: Round wire 
Surface: bright / brite 
Tensile: hard spring temper
Forms of supply: in 10kg coils net weight


»  4mm Galv. Spring Steel Wire

Chemical Composition

C % Si % S % P % Mn % Cr % Mo %
0.55 - 0.65 1.70 - 2.10 0.035 Max 0.035 Max 0.70 - 1.00 0.20 – 0.40 0.20 - 0.30

»  1.4mm and 2.2mm Spring Wires for Mattresses Spring and Bonnel Spring

For mattresses and bonnell spring blocks production 
Wire diameter: 1,4 and 2.2 mm
Tensile strength: 1960 MPa.
Steel wire standard ASTM A 407-90 , DIN 17223/1-84. 

» Galvanized Steel Fine Spring Wire 

Fine spring wires are supplied with the following size as per the Below Standard EN10270 -1 – SM Grade.

Chemical Composition

Carbon % Silicon % Mn Max % S Max % P Max % Cu Max %
0.60 - 1.00 0.10 - 0.30 0.50 - 1.20 0.035 0.035 0.20

Tensile Strength

Wire Size mm Tensile Strength MPa
0.20 2500 - 2790
0.25 2420 - 2710
0.30 2370 - 2650
0.35 2320 - 2590
0.40 2270 - 2550
0.45 2240 - 2500
0.50 2200 - 2470

Application: 0.20, 0.25, 0.30mm Galvanized Spring steel wire is mainly used for oil seal spring manufacturing in automotive industry.