Material
AISI 304 Stainless Steel Wire
AISI 304 Stainless Steel Wire is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. Do not select stiffness from the material name alone. Specify filament diameter, free trim, density, grade, and service conditions as one set.
Material Overview
AISI 304 is an austenitic chromium-nickel stainless steel. In brush wire, corrosion behavior and stiffness are controlled by alloy grade, wire temper, diameter, crimp, and the mounting system.
In a finished brush, AISI 304 Stainless Steel Wire does not create a fixed stiffness by itself. Contact force and recovery depend on filament diameter, free trim, density, tuft pattern, and installed interference. Grade, moisture, temperature, and chemistry affect how that behavior changes in service.
Material Properties
| Density | 7.9–8.0 g/cm³ |
|---|---|
| Wire diameter | 0.03–1.00 mm |
| Hardness | Rockwell B 70–95 depending on temper |
| Continuous brush service | 400°C [Industry Reference Range] |
| Short-term peak | 500°C [Industry Reference Range] |
| Corrosion behavior | Good general corrosion resistance; chloride pitting and crevice corrosion require review |
| Standards | ASTM 304 / UNS S30400 / EN 1.4301 / JIS SUS304 |
Brush Applications
For AISI 304 Stainless Steel Wire, directly related brush structures include Tube & Pipe Bore Brushes, Handheld Detail Brushes, Cup Brushes, and Spring Brushes. Applications related to AISI 304 Stainless Steel Wire include Heat Exchanger Tube Cleaning, Pipe Robot Brush Attachment Use, Hose Cleaning, and Tube & Pipe Cleaning.
Specification and Customization
Material form
Wire
Common forms
Straight wire; crimped wire; twisted-wire fill; strip-brush fill; wheel, cup, end, roller, and bore-brush wire.
Grade
AISI 304 brush-wire grade
Reference standard
ISO 6892-1; ASTM E8/E8M; ASTM B117; ASTM A580/A580M
Limitations and Alternatives
Lower chloride pitting and crevice-corrosion resistance than AISI 316.
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