High Carbon Brake Rotors – Extreme Thermal Stability Performance

G3000 cast iron brake disc
Slotted brake disc Mercedes-Benz
G3000 cast iron brake disc
Slotted brake disc Mercedes-Benz

CORINTH High Carbon Brake Rotors | Extreme Thermal Stability - KLT295625

· High-Carbon Enhanced Cast Iron: Formulated with elevated carbon content compared to standard G3000 cast iron, delivering superior thermal conductivity, enhanced heat dissipation and improved resistance to thermal cracking and warping.

· Extreme Thermal Stability: The high-carbon material maintains structural integrity and dimensional stability at elevated temperatures, preventing the warping and thickness variation that cause brake judder under heavy use.

· Improved Fade Resistance: Better thermal management means the rotor maintains consistent friction performance during sustained heavy braking, reducing fade and providing reliable stopping power in demanding conditions.

· Extended Service Life Under Stress: High-carbon rotors resist heat checking, cracking and uneven wear better than standard cast iron, delivering longer service life for vehicles operated under heavy braking loads.

· Precision Machined & Coated: Finished with precision machining for tight tolerances and anti-corrosion coating on non-friction surfaces, available in vented, drilled and slotted configurations for performance applications.


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  • Product Description

  • Engineered Quality

  • Qualification Certification

  • FAQ

CertificationsIATF 16949, R90
TypesSolid Disc, Ventilated Disc, Drilled Disc, Slotted Disc, Drilled & Slotted Disc
MaterialsCast Iron G3000, High Carbon Alloy
Part Number

OE#A0004212412 

BrandCORINTH/Support brand customization
Vehicle CompatibilityMercedes-Benz C180 Estate (S205) (Imported) (2015-Present) 1.6T
LocationFront
Product AttributesMiddle hole diameter:69 mm
External diameter:295 mm
Pitch diameter: 112 mm
Overall height:62.5 mm
Brake pad thickness:24 mm
Minimum thickness:22 mm
Number of Bolt Holes:5


Product Overview

CORINTH high-carbon brake rotors utilize an enhanced cast iron formulation with elevated carbon content to deliver superior thermal stability, crack resistance and warp resistance compared to standard G3000 rotors. Designed for vehicles operated under heavy braking loads — including towing, mountain driving, performance use and heavy-duty commercial applications — these rotors maintain consistent performance where standard rotors would degrade.

Core Technical Advantages

  • High-Carbon Material Formulation: The elevated carbon content (typically 3.5–4.0% compared to 3.0–3.5% in standard G3000) improves thermal conductivity, enhances heat dissipation and increases the material's resistance to thermal cracking and heat checking. This is achieved through controlled metallurgical formulation and casting processes.

  • Extreme Thermal Stability: High-carbon cast iron maintains dimensional stability and structural integrity at significantly higher operating temperatures than standard cast iron. This prevents the warping, thickness variation and surface cracking that cause brake judder and performance degradation under sustained heavy braking.

  • Superior Fade Resistance: Better thermal management means the rotor maintains consistent friction performance during repeated or sustained heavy braking. The improved heat dissipation reduces peak operating temperatures, preventing the friction coefficient drop-off associated with brake fade.

  • Extended Service Life Under Stress: High-carbon rotors resist the heat checking, cracking and uneven wear patterns that prematurely end the service life of standard rotors in severe-duty applications. For vehicles regularly operated under heavy braking loads, this translates to longer service intervals and reduced maintenance cost.

Application & Usage

  • Suitable Vehicle Types: Pickup trucks used for towing, performance vehicles, SUVs operated in mountainous terrain, heavy-duty commercial vehicles and any application where standard rotors experience warping or cracking.

  • Operating Conditions: Sustained downhill braking, trailer towing, high-speed operation, performance driving and environments with elevated brake temperatures.

  • Expected Service Life: 55,000–75,000 km under normal conditions; significantly longer than standard rotors in severe-duty applications.

  • Configuration: Available in plain vented, drilled, slotted and drilled-and-slotted surface designs with anti-corrosion coating options.

Quality Assurance & Certification

Manufactured under IATF 16949 quality management with material composition verified per batch through spectrometric analysis. All high-carbon rotors undergo hardness testing, dimensional inspection and dynamic balancing. ECE R90 certification available for applicable models. Full material certificates and batch traceability provided for wholesale and OEM partners.


Precision Manufacturing

Advanced CNC machinery and automated production lines deliver micron-level accuracy on every brake component, ensuring consistent fit and performance across the entire product range.

OE-Standard Quality Control

Every batch undergoes rigorous inspection — from raw material testing to final dimensional verification — matching original equipment specifications for reliability you can trust.

High-Efficiency Production Capacity

Streamlined workflows and smart factory scheduling enable large-volume order fulfillment without compromising lead times or product consistency.

Certified Compliance

Manufactured under IATF 16949 certified processes with ECE R90 and AMECA validated products, meeting global regulatory standards for safety and durability.

End-to-End Traceability

Full production data tracking from forging to packaging gives complete quality transparency and rapid issue resolution at every stage.



IATF 16949 Certified Production Manufactured in our IATF 16949 certified facility, every brake disc is produced under strictly controlled quality management systems aligned with global automotive standards.

Comprehensive In-Line Testing Each batch undergoes full-line inspection covering:

· Brinell hardness testing to verify material integrity and wear resistance

· Parallelism and thickness variation measurement for smooth, vibration-free braking

· Dynamic balance testing to eliminate judder at high speeds

· Salt spray corrosion testing on coated models for long-lasting surface protection

Global Regulatory Compliance Most mainstream vehicle applications are ECE R90 approved for the European market, with AMECA certification available on request to meet North American requirements.

Full Lot Traceability Complete production records are maintained for every manufacturing lot — from raw material sourcing through final packaging — enabling rapid identification and resolution at any stage.

Consistent Quality from Sample to Scale Rigorous sample validation protocols carry directly into mass production, ensuring the same performance and reliability are delivered across both prototype and high-volume orders.


Frequently Asked Questions

Q: What certifications do your brake discs have?

A: Our manufacturing facility operates under the IATF 16949 quality management system — the global automotive industry standard for quality and continuous improvement. The majority of our mainstream brake disc models are ECE R90 approved for the European market, and AMECA certification is available on request for North American applications. All test reports and certification documents are available for review upon inquiry.

Q: Do you offer OEM / private label service?

A: Yes, full OEM and private label solutions are available. We support custom logo laser engraving or printing, branded packaging design, custom part numbering, and tailored performance specifications — including friction material pairing, coating options, and dimensional fine-tuning. Our engineering team works directly with you from design review through first-article inspection to ensure your branded product meets your exact requirements.

Q: What is your minimum order quantity?

A: For stock models, the MOQ is just 20 pieces per size, making it easy to test market demand. Custom branded OEM orders start at 300 pieces per model. Mixed-container orders across multiple part numbers are also supported to help you optimize shipping costs and inventory breadth. Small trial orders are welcome for new customers.

Q: How do I find the correct brake disc model?

A: Simply send us any of the following: the OE part number, a competitor's cross-reference number, or full vehicle details (brand, model, year, and chassis/VIN number). Our technical team will match it accurately against our comprehensive catalog database, typically within one working day, and confirm fitment including front/rear axle position and wheel size compatibility.

Q: What is the lead time for bulk orders?

A: Stock items ship within 7–10 working days from order confirmation. Mass production orders with custom branding or specifications typically require 20–30 working days, depending on order volume and complexity. Rush production can be arranged for urgent orders — please contact our sales team to discuss feasibility and any associated expediting fees.

Q: Can I get samples before placing a bulk order?

A: Absolutely. We encourage customers to evaluate quality firsthand. Samples are available for performance testing and dimensional verification; the buyer covers shipping costs, and samples dispatch within 3–5 working days. For confirmed bulk orders, sample fees can be credited back against your first purchase order as a goodwill gesture.

Q: What is your warranty policy?

A: We offer a 12-month / 50,000 km warranty against manufacturing defects under normal driving conditions and professional installation. This covers material defects, cracking, and abnormal wear attributable to production. Warranty claims are processed efficiently with photo documentation and lot number traceability, and replacement or credit is issued promptly upon verification.

Q: What types of brake discs do you offer?

A: Our range covers solid discs for standard passenger vehicles, vented discs for improved heat dissipation, drilled and slotted performance discs for sport and heavy-duty applications, and anti-rust Geomet-coated options for corrosion-prone markets. We also offer high-carbon and composite rotor constructions for premium and performance segments, ensuring a solution for every price point and regional requirement.

Q: What payment terms do you accept?

A: We support T/T (30% deposit, 70% balance before shipment), L/C at sight for larger orders, and Alibaba Trade Assurance for secure transaction protection. Established customers may apply for extended payment terms after a review of order history and credit standing.

Q: How are the brake discs packaged for shipping?

A: Each disc is individually wrapped in anti-rust paper or film, then placed in a neutral or custom-branded carton with protective foam inserts to prevent transit damage. Palletized shipping is standard for bulk orders, and we can accommodate custom packaging requirements such as barcoding, labeled SKUs, and retail-ready display boxes.

Q: Which markets do you currently supply?

A: We export to over 40 countries across Europe, North America, the Middle East, Southeast Asia, Africa, and Oceania. Our catalog covers European, American, Japanese, Korean, and Chinese vehicle makes, with regular updates to include the latest models and emerging market applications.



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+86 15318655181

Jacky.pan@corinthauto.com

+86 18153529719

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