Dull Mandrel Spare Parts for Air Conditioner and Heat Exchanger Manufacturing
Product Specifications
Attribute |
Value |
Product Name |
Universal Mandrel One-Way Mandrel Dull Mandrel Alloy Mandrel Aluminum tube mandrel |
Material |
SUJ2 GCr15 or YG8 |
Specification |
Φ4.14, Φ6.0, Φ6.22, Φ6.85, Φ8.55, Φ8.8, Φ14.1, Φ18.3 |
Processing |
Precision CNC Lathe Turning |
Heat Treatment |
HRC 60°-62° |
Cutting Tube ID |
Φ4.76 Φ5 Φ6.35 Φ7 Φ7.94 Φ9.52 Φ12.7 Φ15.88 Φ19.05 |
Quality |
100% Inspection |
Surface Finish |
Ra 0.8 |
Surface Treatment |
Hard chrome plating |
Service |
OEM or ODM |
Application |
CNC 3D Tube Bending Machine, Copper Tube Hairpin Bender, Return Bender |
Usage |
Bending Copper, Aluminum and Steel Tube |
Product Description
Chrome-Plated Dull Mandrel for Tube Elbows: Made from high-quality bearing steel with chrome plating, this dull mandrel is designed for bending copper and aluminum tubes. Available in elliptical, semicircular, and thumb-shaped designs, it works with small or long U-shaped tube benders. Ideal for air conditioner manufacturing in residential, automotive, and rail applications, ensuring smooth, precise tube bends. Handles pipe diameters from Φ4.76 to Φ7, with custom sizes available.
Available Specifications
Φ4.14, Φ6.0, Φ6.22, Φ6.85, Φ8.55, Φ8.8, Φ9.6, Φ10.6, Φ12.9, Φ14.1, Φ15.5, Φ16.5, Φ18.3
Product Gallery
Application Industry
Manufacturing Workshop
Guangzhou Runshi Mold Co., Ltd. specializes in precision machinery manufacturing, providing equipment molds, vulnerable parts, and cutting tools for air conditioning and heat exchanger production. Our expertise extends to ceramic and tungsten steel components for industries including new energy, fluid control, medical devices, semiconductors, aerospace, photovoltaics, lithium batteries, petrochemicals, high-precision automation, electronic communication, and automotive applications.
Frequently Asked Questions
Q: What is the name of this product?
A: Universal Mandrel One-way Mandrel Dull Mandrel Alloy Mandrel Aluminum tube mandrel
Q: Are you a trading company or manufacturer?
A: We are manufacturer.
Q: What industry is the Dull Mandrel mainly used for?
A: It is an important bending tube part for CNC 3D tube bending machines and copper tube hairpin benders or return benders.
Q: How to manufacture after the order is confirmed?
A: We need samples or drawings. Our production engineers with over 10 years of experience know how to control tolerances and precision.
Q: How long is your delivery time?
A: 5-10 working days for in-stock items, 10-25 working days for custom orders, depending on quantity.
Q: What are your payment terms?
A: ≤$10,000 USD: 100% in advance. >$10,000 USD: 50% T/T in advance, balance before shipment.
For additional questions, please feel free to contact us.