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Jiangsu Xiangying Hardware Spring Co.,Ltd
Address: No. 58th Hua Xing Road, Rugao Town, Jiangsu Province, China
Mob:+8613382382352
Tel:+86-513-87573388
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E-mail: Xy2@china-xiangying.com

Steel Wire

JIS G 3521

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....

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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)

bulk jis g 3521_副本.jpg


*Chemical Composition

Steel Grade

Carbon

%

Silicon

%

Manganese

%

Phosphorus

%

Sulphur 

%

60#

0.60-0.61

0.18-0.22

0.52-0.59

0.012

0.007

65#

0.65

0.21

0.56

0.013

0.008

65Mn

0.60-0.70

0.10-0.25

0.70-1.00

0.030

0.030

70#

0.69-0.71

0.19-0.21

0.53-0.58

0.010-0.012

0.003-0.006

72A 72B

0.72

0.19

0.71

0.013

0.006

80#

0.80-0.81

0.22-0.24

0.59-0.76

0.008

0.004

82A 82B

0.82

0.24-0.25

0.76-0.77

0.011-0.014

0.004-0.007

 

Product Pictures

 

Product Advantages

1. High stability and durability

2. High system permeability

3. Competitive cost

4. Recyclability


Production Process

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Packing

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