Investment Casting Door Hinge Hardware
Key Specifications
Parameter
Detail
Material
304 Stainless Steel / Carbon Steel
Process
Precision Investment Casting + CNC Machining
Load Capacity
200-500 lbs per pair
Surface Finish
Polished, Powder-Coated, or Electropolished
Certifications
ISO 9001
Why Choose Our Door Hinge Hardware?
Unbreakable Strength
Investment casting creates seamless metal structures with 30% higher fatigue resistance vs. welded hinges.
Corrosion Defense
316 stainless steel option resists saltwater, chemicals, and humidity (passed 1,000hrs salt spray test).
Zero-Maintenance Design
Self-lubricating bronze bushings eliminate squeaking and lifetime lubrication needs.
Precision Fit Guarantee
CNC-machined mounting holes ensure±0.1mm tolerance for effortless installation.
Applications
Our investment casting door hinge hardware solves critical challenges in:
Commercial Buildings : Shopping malls, hospitals, airports
Industrial Facilities: Factories, warehouses, chemical plants
Marine & Coastal : Ship cabins, dockside structures
Fire/Safety Doors : UL-certified models for emergency exits
End-to-End Service Support
① Custom Solutions
Provide 2D/3D drawings for bespoke dimensions/finishes (MOQ: 500 pcs).
② Global Logistics
FOB Ningbo Port with 15-day lead time. Accept L/C, T/T, PayPal.
About SJ Machinery
As an ISO 9001-certified foundry since 2018, we specialize in:
Investment Casting: 200+ monthly projects for hardware components
CNC Machining: 50+ multi-axis machines
FAQ
Q1:
Can these hinges support bulletproof doors?
A1:
Yes,our carbon steel hinges are rated for 1,200 lbs. Send door specs for validation.
Q2:
Do you provide installation templates?
A2:
Free digital templates (DXF/PDF) come with all orders.
Q3:
Minimum order quantity?
A3:
200 sets for standard designs; 1000 sets for customizations.
Optimize Your Doors Today
Request a Free Sample Kit or Get Instant Quote → Contact email@susy@nbsjcast.com
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