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Introduction
304 stainless steel sheet is a flat product made of austenitic stainless steel as the base material through hot rolling or cold rolling processes. It is mainly used for the manufacture of structural components, equipment shells, and parts with requirements for surface condition and formability.
Specification
|
Category |
Item |
|
|
Standard |
ASTM A240 / A480 |
|
|
Grade |
304 Stainless Steel |
|
|
Product Form |
Sheet / Plate |
|
|
Thickness |
0.3 – 12 mm |
|
|
Width |
1000 – 2000 mm |
|
|
Length |
2000 – 6000 mm |
|
|
Surface Finish |
BA (Bright Annealed), 2B, No.4, Mirror |
|
|
Element |
Content (%) |
|
|
C |
≤ 0.08 |
|
|
Mn |
≤ 2.00 |
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|
P |
≤ 0.045 |
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|
S |
≤ 0.030 |
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|
Cr |
18 – 20 |
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|
Ni |
8 – 10.5 |
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|
Fe |
Balance |
|
|
Property |
Specification |
|
|
Yield Strength |
≥ 215 MPa |
|
|
Tensile Strength |
505 – 750 MPa |
|
|
Elongation |
≥ 40% |
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|
Hardness |
HRB 70 – 95 |
|
Features
Suitable for complex forming processes
Elongation ≥40% allows the material to undergo significant plastic deformation without cracking during stamping, bending, and stretching, making it suitable for manufacturing deep-processed parts.
Can be used directly for exterior parts
Available for BA, 2B, No.4, and mirror finishes, with different surface roughnesses corresponding to different appearance grades, reducing subsequent surface treatment processes.
Suitable for use in normal environments
The composition system of 18–20% Cr and 8–10.5% Ni forms a passivation film in water, air, and general industrial media, thereby slowing down the uniform corrosion process.
Wide range of processing adaptability
Covering thin to medium-thick plates from 0.3–12 mm in thickness, with corresponding specifications selectable according to different processing methods (stamping, bending, welding).
Applications
Home Appliance and Equipment Housing Industry: Used for housing panels and panel components, serving as an aesthetic surface while meeting forming requirements.
Building Decoration Industry: Applied to curtain walls, decorative panels, and interior finishing materials, achieving decorative effects through various surface treatments.
Food Processing Equipment Industry: Used for worktables and equipment panels, serving as structural and contact components in water or food contact environments.
Machinery Manufacturing Industry: Used for equipment housings, support plates, and general structural components, serving as a basic processing material.
Storage, Transportation, and Container Manufacturing Industry: Used for boxes and cover panels, providing enclosure and structural functions in conventional environments.

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