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NAS 304-SRG@Stainless Steel for Etching

Characteristics of NAS 304-SR

Residual stress is removed by SR (Stress Relief) treatment in manufacturing process to prevent from changing its shape during etching process.

Chemical Composition

(%)

- C Si Mn P S Ni Cr
Specification …0.08 …1.00 …2.00 …0.045 …0.030 8.00`
10.50
18.00`
20.00
Example 0.036 0.67 1.05 0.030 0.0032 8.50 18.09

Mechanical Properties


- Thickness x Width (mm) Finish Tensile strength
iMPaj
Elongation
i“j
Hardness
iHVj
Example 0.2×300 H 1123 12 372

Application


Application Process
Coated mask for thin film circuit Photo etching process
Spring for telephone switch relay
Metal filter
Discharge tube electrode
Code plate for measuring instrument
Optical slit
Core alignment plate
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@@@@@@@@@@@@@@NAS 304SR

@@@@@@@@@@@Half Etching Test for H finish SUS304 of 0.2mm thick samples
@@@@@@@@@@@@(Upper: without SR treatment. Lower: with SR treatment)
@@@@@@@@@@@@0 mm curved for SR treated material whereas 22 mm curved for no SR treated one.

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