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stainless steel cable tray manufacturers

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stainless steel cable tray manufacturers

1. Company Overview

Bending Stainless Steel Cable Tray is a specialized manufacturer with over 10 years of experience in the stainless steel cable tray industry. The company has strong expertise in the machinability, welding, and surface treatment of stainless steel. With in‑house design engineers, it provides custom solutions (elbows, tees, reducers, risers) and CAD drawings for complex layouts. The company enjoys excellent recognition from domestic and international customers.


2. Basic Parameters



ParameterValue
Product NameStainless Steel Cable Tray
Max. Length6000 mm
Max. Width1000 mm
Side Rail Height50 – 200 mm
Materials304, 304L, 316, 316L, 321, 317L, Duplex (2205)
Tray TypesSolid Bottom / Ventilated Bottom / Perforated / Wire Mesh / Ladder
Certifications (partial)SGSC, ISO, TUV, UL, NEMA (for perforated tray)
KeywordsStainless Steel Cable Tray

3. Material Grades & Corrosion Resistance



GradeRecommended EnvironmentKey Characteristics
304 / 304LGeneral industrial / indoor / chloride‑freeGood general corrosion resistance, cost‑effective
316 / 316LCoastal / marine / offshore / chemical / water treatmentMolybdenum (Mo) content provides excellent resistance to chlorides, pitting, crevice corrosion
321High‑temperature areas (up to ~800°C)Titanium (Ti) stabilized, prevents carbide precipitation
317LSevere corrosion (e.g., pulp & paper, chemicals)Higher Mo content for improved pitting resistance
904LExtreme corrosive environmentsHigh Ni, Cr, Mo – excellent resistance to many strong acids
Duplex (2205)Chloride stress corrosion cracking risk areasHigh strength + superior chloride SCC resistance

4. Tray Types & Design Parameters



Tray TypeKey FeaturesTypical Width (mm)Typical Height (mm)Best Application
Ladder TypeGood heat dissipation, easy cable laying50 – 120050 – 200Industrial plants, cable galleries
Solid Bottom (Trough)Dust & drip resistance, electromagnetic shielding50 – 90050 – 150Wet/dusty areas, sensitive cables
Wire MeshLightweight, highly ventilated, quick installation50 – 60025 – 100Data centers, office buildings, commercial spaces
Channel / PerforatedSimple design, space‑saving50 – 15025 – 50Machine wiring, control panels

5. Load Classes (based on NEMA VE 1 / IEEE 1222)



Load ClassSide Rail Thickness (Ga/mm)Rung Thickness & SpacingTypical Applications
Light Duty (LD)~14 Ga (~1.9 mm)Lighter rungs, spacing ≤225 mmControl/instrumentation cables (not for power cables)
Medium Duty (MD)~12 Ga (~2.6 mm)Standard rungs, spacing ≤150 mmGeneral industrial, mixed power & control
Heavy Duty (HD)~10 Ga (~3.4 mm)Heavier rungs, spacing ≤150 mmMedium/high voltage power cables, long spans
Extra Heavy Duty (EHD)>10 Ga (>3.4 mm)Heavy rungs, spacing ≤75 mmPower plants, heavy industry, critical infrastructure
Vertical Tray (VTY)As MD/HD/EHDRung spacing ≤100 mm, enhanced connectionsVertical riser applications

6. Manufacturing & Quality Assurance



ItemProcess / Standard
Welding ProcessTIG welding – continuous, smooth, defect‑free seams; polished if required; minimal thermal deformation and contamination
Surface TreatmentBurr‑free smooth edges; options: drawing, grinding, polishing; #4 brushed/polished finish for food/pharma to prevent bacterial adhesion
Structural TestingLoad testing (vertical sag & horizontal side‑rail) per specified load classes
Material VerificationSpectrographic analysis to verify stainless steel grade (e.g., 304 vs. 316)
Welding InspectionPenetration, consistency, and strength checks
Material TraceabilityMTC (Mill Test Certificate per ASTM A240) provided
Compliance DeclarationCoC (Certificate of Conformity) provided

7. Compliance with International Standards



StandardScope & Purpose
IEEE 1222 / NEMA VE 1Primary U.S. standard for metallic cable tray systems – design, testing, performance
IEC 61537 / BS EN 61537International / European standard for cable tray systems
ASTM A240Standard specification for stainless steel plate, sheet, and strip
NEC & Local CodesCompliance with regional electrical and safety codes

8. Service & Support



StageService Description
Pre‑sales SupportQuick response during quotation and design; professional technical engineers provide optimal project solutions
Production & InspectionProfessional production line ensures consistent, on‑time delivery
After‑sales ServicePrompt handling of field issues; spare parts supply; installation technical support

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