[table][tr][td]Product Description
jis g 3521 is mainly made of 65#-70# high carbon steel wire with high strength, long service life and other advantages.It is mainly exported to Europe, United States and the domestic large-scale mattress manufacturing factory. jis g 3521 is also used for steel wire for mattress,and the surface of jis g 3521 is phosphated or oiled, the mattress springs need to be tempered and shaped. It is applied mainly to springs for static duty applications.The tensile strength of jis g 3521 mainly refer to domestic standard GB4357-89 GRADE C, can also according to the special requirements of customers processing customized.

Specification of steel wire for mattress
1. Product Name: jis g 3521
2. Product Material: 65#, 65Mn, 70#, 72A, 72B, 80#, 82B
3. Wire Dia: 0.3-13.0mm
4. Surface Finish: Smooth, phosphated
5. Coil Weight: According to your requirement
6. Application: Making springs,mattress
7. Dilivery time: 15 days for one 20 feet container

Tensile Strength (GB4357-89)
*Chemical Composition
Steel GradeCarbon
%Silicon
%Manganese
%Phosphorus
%Sulphur
%
60#0.60-0.610.18-0.220.52-0.590.0120.007
65#0.650.210.560.0130.008
65Mn0.60-0.700.10-0.250.70-1.000.0300.030
70#0.69-0.710.19-0.210.53-0.580.010-0.0120.003-0.006
72A 72B0.720.190.710.0130.006
80#0.80-0.810.22-0.240.59-0.760.0080.004
82A 82B0.820.24-0.250.76-0.770.011-0.0140.004-0.007

Product Pictures

Product Advantages
1. High stability and durability
2. High system permeability
3. Competitive cost
4. Recyclability
Production Process

Packingcustom Steel Wire
website:http://www.spring-factory.com/steel-wire/[/td]
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@ By.KinG

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