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304 and 304L SS Composition

Date:2018-02-07    keywords:304 ss composition, 304l ss composition
Difference SUS 304 SUS 304 L
Characteristics

- Austenitic basic steel, the most widely used; 

- Excellent corrosion resistance and heat resistance;

- Excellent low temperature strength and mechanical properties;
- Single-phase austenitic structure, no heat treatment hardening phenomenon

Compared with 304 excellent corrosion resistance.
Uses -1, 2 kinds of tableware, exterior materials, building materials, auto parts,
- Medical devices, chemistry, food technology, fiber industry,
- Ship parts
- Chemical, coal, oil industry equipment with high resistance to grain boundary corrosion,
- Building materials, heat-resistant parts and components that are difficult to heat-treat

Chemical composition of 304 and 304L SS

Types C Si Mn P S Cr Ni
SUS 304 ≤0.08
≤1.00
≤2.00
≤0.045
≤0.030
≤18.0-20.0
≤8.0-10.5
SUS 304 L ≤0.03
≤1.00
≤2.00
≤0.045
≤0.030
≤18.0-20.0
≤8.0-10.5


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