Product Description

 

The Raw Material

 (45# 60# 65# 62A 72A 65Mn 70# 82A 82B T9A 1008 1006 18A 22A)

 

Chemical Composition

Natural High Carbon Mattress Spring Steel Wire for Bedding

 

Tensile Strength

 

Natural High Carbon Mattress Spring Steel Wire for Bedding

 

 

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