High Quality Square Corner Stainless Steel Window Metal Door Hinges Industrial Heavy-Load Radius Hinge

• Customization: Available
• After-sales Service: Online Technical Support, Onsite Installation
• Warranty: 1 Year
• Model NO.: KMHY-A3.5-SN
• Type: 360° Hinge
• Finish: Powder Coating
• Material: Stainless Steel
• Hinge Type: Garage Door Hardware
• Single Gross Weight: 18.000 Kg
• Design Style: Modern
• Transport Package: The Package Can Be Brown Box or PVC Box with Bubbl
• Specification: 26.5X22.5X12.5 cm
• Trademark: Kinmade
• Origin: China
• Production Capacity: 5000PCS/Year

Product Description

 

Core Product Series

Industrial Heavy-Load Radius Hinge
Model KMHY-A3.5-US19 5/8R | 3.5" x 3.5" • 5/8" Radius | ASTM F1642 & EN 1935 Certified


 

Product Overview

The KMHY-A3.5-US19 5/8R Heavy-Duty Hinge is engineered for extreme-load applications, combining a 5/8" smooth radius corner and reinforced pivots to deliver unmatched durability in industrial, commercial, and infrastructure environments. Designed for 1.5M+ operational cycles, this hinge ensures zero wear-induced play under dynamic loads up to 150 lbs, making it ideal for high-traffic access points and heavy machinery.
Awarded Innovations:

• 2024 Industrial Components Excellence Award: "Best Structural Hinge for Extreme Conditions".
• Patented Tech: NanoFusion™ Coating (Patent #US2024-KMHY5-8) - Hybrid ceramic-polymer layer surpassing 3,500hr salt spray resistance (ISO 9227 C5-M).

 

Technical Specifications

Category	Specification
Dimensions	3.5" x 3.5" (88.9mm x 88.9mm)
Material Composition	SS316 Stainless Steel (ASTM A276)
Load Capacity	Static Load: 350 lbs (159kg)
Environmental Rating	IP69K Sealing
Certifications	ASTM F1642 (Industrial Hardware)
Production Capacity	180,000 Units/Month

 

Enterprise Value Proposition

Extreme Environment Reliability

• Dual-Lock Pivot System: Eliminates sagging under cyclical stress (tested to 30 N·m torque).
• HeatShield™ Bushings: Carbon-ceramic infused sleeves resist deformation at 450°F (ISO 3448).

Global Compliance & Customization

• Pre-Certified: DIN 18273 (EU), GB/T 21825 (China), AS 4145.3 (ANZ).
• Bespoke Solutions: Custom hole patterns, QR-code traceability, or RFID-enabled load sensors (MOQ 2,500 Units).

Supply Chain Agility

• Global Stock Hubs: DDP shipments from Chicago/Rotterdam/Dubai with real-time customs pre-clearance.
• Volume Discounts: Tiered pricing for orders >15,000 units + blockchain-tracked QC reports.

 

Target Applications

• Heavy Industry: Steel mill access doors, CNC machine enclosures.
• Transportation: Railway cargo doors, airport fire-rated exits.
• Energy Infrastructure: Offshore oil rig hatches, wind turbine nacelle access.

 

Customization Services

• Material Upgrades: Monel® K500 alloy for seawater environments (NACE MR0175 Certified).
• Surface Finishes: Electropolished (Ra ≤0.1μm) | PVD gold coating (MIL-C-13924).
• IoT Integration: Strain gauges with 4-20mA output for real-time load monitoring (Modbus TCP).

 

Enterprise FAQ

Q: Compatibility with existing 20mm door frames?
A: Download 3D STEP files with parametric adjustments for seamless retrofitting (AutoCAD/SolidWorks).
Q: Warranty for high-radiation nuclear facilities?
A: Optional RadArmor™ coating (ISO 10993-5 compliant) extends warranty to 20 years.
Q: Lead time for 50,000-unit orders with laser engraving?
A: 50 days with AI-driven production forecasting and live QC dashboards.