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ASTM A240 304 Mirror Finish Stainless Steel Sheet 0.5mm-3.0mm Thickness 8K Polished for Elevator Interior Decoration

Basic Properties
Place of Origin: Zhejiang, China
Brand Name: ECER
Certification: ISO 9001:2015, CE, SGS
Model Number: SS-MFS-304
Trading Properties
Minimum Order Quantity: 50 Sheets
Price: USD 25-60 / Sheet
Payment Terms: T/T,L/C,Western Union
Supply Ability: 50000 Sheets per Month
Product Summary
Premium ASTM A240 304 8K mirror finish stainless steel sheet delivering exceptional reflectivity and aesthetic appeal, engineered for high-end elevator interiors, architectural decoration, and luxury commercial fit-outs.

Product Details

Highlight:

ASTM A240 304 stainless steel sheet

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8K polished stainless steel sheet

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mirror finish stainless steel for elevator

Standard: ASTM A240 / ASME SA240
Steel Grade: 304 (UNS S30400)
Thickness: 0.5mm - 3.0mm
Width: 1219mm, 1500mm
Length: 2438mm, 3048mm, Or Custom Cut
Surface Finish: 8K Mirror (Super Mirror)
Reflectivity: ≥85%
Protective Film: Double-layer Laser PE Film
Product Description

Product Introduction

Our ASTM A240 304 8K mirror finish stainless steel sheet represents the pinnacle of decorative surface quality, achieving reflectivity exceeding 85% through a precision multi-stage polishing process. The super mirror 8K finish creates a flawless, distortion-free reflective surface that transforms ordinary spaces into sophisticated environments. Each sheet is protected with a double-layer laser PE film to prevent scratches during handling, fabrication, and installation. The 304 grade base material ensures long-term corrosion resistance even in high-humidity interior environments, maintaining its brilliant appearance for decades without tarnishing or discoloration.

Product Specifications

ParameterSpecification
Product TypeMirror Finish Stainless Steel Sheet
StandardASTM A240 / ASME SA240
Steel Grade304
Thickness0.5mm - 3.0mm
Width1219mm, 1500mm
Length2438mm, 3048mm, or Custom Cut
Surface Finish8K Mirror (Super Mirror)
Reflectivity≥85%
Protective FilmDouble-layer Laser PE Film
InspectionVisual, Reflectivity Meter, Dimensional, Surface Roughness Test

Chemical Composition (wt%)

ParameterSpecification
Carbon (C)≤0.08
Manganese (Mn)≤2.00
Silicon (Si)≤1.00
Phosphorus (P)≤0.045
Sulfur (S)≤0.030
Chromium (Cr)18.0-20.0
Nickel (Ni)8.0-10.5

Mechanical Properties

ParameterSpecification
Tensile Strength≥515 MPa
Yield Strength≥205 MPa
Elongation≥40%
Hardness≤201 HBW / ≤92 HRB

Application Areas

Elevator cabin interior wall panels, Luxury hotel lobby wall cladding, High-end retail store decorative panels, Column cladding and elevator door skins, Escalator side panels and cladding, Airport terminal decorative features, Restaurant and bar interior design, Exhibition and museum display surfaces

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