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Tin Plated Bronze Steel Wire For Duct
Tin plated bronze air duct steel wire is designed for ultra strong corrosion resistance and ultra high cleanliness environment. It uses high-strength steel core as the base, and is sequentially covered with bronze (copper tin alloy) layer and pure tin coating.
Features
product presentation
Tin plated bronze air duct steel wire is designed for ultra strong corrosion resistance and ultra high cleanliness environment. It uses high-strength steel core as the base, and is sequentially covered with bronze (copper tin alloy) layer and pure tin coating. The dual metal protection system combines the mechanical strength of bronze, the chemical inertness of tin, and the cathodic protection characteristics, providing ultimate protection beyond conventional coated steel wires in corrosive environments such as chemical, food, and medical, while meeting strict hygiene standards of pollution-free and easy to clean.
Core advantages
Triple protection shield against corrosion
Bronze based coating+tin surface layer form a synergistic protection:
Bronze layer resists mechanical wear and tear
Tin layer isolates acid/alkali/sulfide corrosion
Salt spray resistance of 1500+hours (ASTM B117), with a lifespan of more than three times that of galvanized steel wire
Excellent electromagnetic shielding performance
The bronze layer provides a highly conductive network with a shielding efficiency greater than 90dB (1GHz), protecting precision equipment from electromagnetic interference
Low temperature welding compatibility
Tin layer has a low melting point (232 ℃) and can be directly brazed at low temperatures without the need for flux, avoiding weld corrosion
Flexible anti fatigue
The bronze layer has excellent ductility, and the coating does not crack when the bending radius is ≤ 2D, making it suitable for complex duct shapes
application area
Extreme corrosion scenario
Chemical/pharmaceutical factory acid mist exhaust system
Salt resistant air ducts for offshore platforms and ships
Sulfur containing flue gas pipeline of garbage incineration plant
Ultra high hygiene standard scenario
Purification air duct for food/dairy processing workshop
Ventilation in hospital operating rooms and biological laboratories
Clean room air supply system for electronic chip factory
Electromagnetic sensitive scenarios
Shielded air ducts in data center rooms
Ventilation ducts for medical imaging equipment
Ventilation system for military radar facilities
TECHNICAL SPECIFICATIONS
|
Parameter category |
Technical indicators |
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Base material |
High carbon spring steel (SAE 1074, DIN 17223) |
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Coating structure |
Bronze layer (88% Cu+12% Sn)+pure tin surface layer (≥ 99.9%) |
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Wire diameter range |
0.7mm -2.2mm (± 0.02mm) |
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The total thickness of the coating |
0.7mm -2.2mm (± 0.02mm) |
|
Tensile strength |
1450-1750 MPa |
|
Elongation rate |
≥ 8% (no peeling during 180 ° winding test) |
|
Surface resistance |
≤ 0.05 Ω/m (to ensure electromagnetic shielding effectiveness) |
|
Packaging method |
Vacuum rust proof film+moisture-proof cardboard box (20kg/box) |
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