Product List
NI price
Spring wire
Various Springs
Our stainless stell spring wire has the following characteristics
  1、Excellent straightness with good helix and cast for automatic coiling.
  2、Uniform & beautiful surface condition.
  3、Excellent coil - forming ability.
  4、High elasticity and high fatigue resistance.
  5、Strong heat resistance against exposure to the toughestatmosphere.
  6、Wide usage for electronic/electrical appliance,whatever it is nonmagnetic or slightly magnetic.
Product Grade
   We can supply several kinds if stainless steel spring wire with the following chemical compositions:
Product Crade Chemical Composition(%)
AISI SUS C Si Mn P S Ni Cr 其它 Other
302 302 0.15MAX 1.0 2.0 0.045 0.03 8-10 17-19 -
304 304 0.08MAX 1.0 2.0 0.045 0.03 8-10.5 18-20 -
316 316 0.08MAX 1.0 2.0 0.045 0.03 10-14 16-18 Mo:2-3
631 631J1 0.09MAX 1.0 1.0 0.04 0.03 6.5-8.5 16-18 A1:0.75-1.5
  130M 0.15MAX 1.0 7.5-10 0.06 0.03 4.0-6.0 17.0-19.0 N:≤0.25
  Type 302/304 are most popularly used in the manufacture of springs because of their outstanding mechanical property and corrosion resistance.Type 316 is recommended for the manufacture of springs which require a particularly high corrosion resistance and non - magnetic property, but it' s mechanical properties are somewhat inferiore to Type 302/304 ,Type 631J1/631 are used for heat resistant spring and the finished spring has the highest strength among all stainless steel alloys after heat treatment, but poorer corrosion resistace than Type 302/304.

         (We can provide other grades subject to your special requirement)

China Hebei Aocheng International Trading Co.,Ltd.
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Address: No.6,Jilongpo,Bao Shui Qu,Qingdao,China   Fax: +86-532-80622406