CCRB-U3ARC Series

Description

CCRB-U3ARC Series
Continuous Cast Round Billet for Global Heavy Engineering

Subtitle:
Engineered Feedstock for High-Integrity Forgings in Clean Energy & Critical Infrastructure

Product Overview

Continuous Cast Round Billet (CCRB) is a semi-finished steel product formed by solidifying molten steel through a continuous casting process into a round cross-section. It serves as premium feedstock for high-value forged components requiring exceptional internal soundness, dimensional consistency, and mechanical reliability.

Compared to conventional ingot casting, CCRB offers superior metal yield, reduced energy consumption (up to 15% lower), minimized macro/micro-segregation, and enhanced microstructural homogeneity. These advantages directly support global decarbonization goals by enabling more efficient, durable, and sustainable heavy engineering solutions.

CCRB is now integral to next-generation infrastructure across pumped-storage hydropower, offshore wind turbines, ultra-high-voltage (UHV) transmission systems, deepwater oil & gas platforms, and large-scale industrial machinery. Its consistent quality and scalability make it the preferred choice for mission-critical applications where failure is not an option.

The U3ARC platform provides end-to-end support—including application consultation, supply chain orchestration, and technical test coordination—to accelerate global deployment of CCRB-based engineered solutions.

Technical Specifications

Parameter	Specification
Diameter Range	Φ310 mm – Φ1320 mm– Φ1600mm
Steel Grades	>300 grades available (e.g., carbon, alloy, bearing, tool steels per ASTM, EN, ISO, GB)
Internal Quality	Zero defects in full-section ultrasonic testing (ASTM A388 / EN 10228)
Hydrogen Content	≤ 2 ppm (post-vacuum degassing)
Non-Metallic Inclusions	Controlled to ASTM E45 Class A/B/C/D ≤ 1.0 (modified rating)
Carbon Segregation (ΔC)	Radial variation ≤ 0.03% (for critical grades)
Certification	Mill Test Certificate (EN 10204 3.1/3.2), Heat Traceability, NDE Reports

Compliance with International Standards

Material Standards: ASTM A29/A29M, ASTM A576, EN 10083, ISO 683, JIS G4051/G4105
Testing Standards: ASTM E8 (tensile), ASTM E399 (fracture toughness), ASTM A388 (UT), EN 10228 (NDE)
Quality Management: ISO 9001, IATF 16949 (where applicable)
Sustainability: EPD available upon request; aligned with EU CBAM and global ESG reporting frameworks

Applications & Product Segmentation

Product Type (by Diameter)	Typical Applications
Φ310–Φ600 mm	Large bearings, gear blanks, marine shafts, pressure vessel forgings
Φ600–Φ1000 mm	Wind turbine main shafts, ring forgings for slewing bearings, heavy flanges
Φ1000–Φ1320 mm	Monolithic magnetic yoke rings, hydro turbine runners, nuclear reactor components
Φ1200-1600 mm	Monolithic Large Forgings for Nuclear Power, Gigascale Hydropower, and Heavy-Duty Marine Applications

Flagship Application:
Forged Magnetic Yoke Ring for Pumped-Storage Hydro Generators
— Enabled by world-first Φ1200 mm CCRB, replacing segmented laminated designs with a single-piece forged solution for higher efficiency and reliability.

Value-Added Services

Custom Forging Development: Full-cycle support from billet selection to finished component validation
Technical Testing Coordination: Arrange third-party labs for chemical, mechanical, NDE, and fatigue testing
Supply Chain Planning: Just-in-time delivery, buffer stock management, multi-modal logistics
Financing Solutions: Trade credit facilities and supply chain finance options via partner institutions
ESG Documentation: Certificates of Origin, EPDs, CO₂ footprint reports, conflict minerals declarations

Production & Delivery

Annual Capacity: >500,000 metric tons of CCRB (including >50,000 tons in Φ1000+ mm range)
Lead Time: Standard grades: 8–12 weeks; Custom development: 14–20 weeks (incl. trial & validation)
Packaging & Shipment:

Sea Freight: Bundled on wooden cradles, moisture-barrier wrapped, container or breakbulk
Air Freight: Wooden crates or steel containers for samples/urgent orders

Marking: Each unit labeled with U3ARC, heat number, dimensions, weight, destination, and standard cargo marks (e.g., “Keep Dry”, “This Side Up”)

Customization Case Highlight

World’s First Φ1200 mm CCRB for Monolithic Magnetic Yoke Ring

Challenge: Replace traditional laminated yoke with a single forged ring requiring zero internal flaws and uniform radial properties.
Solution: Φ1200 mm 42CrMo4 CCRB produced via vacuum degassing, dynamic electromagnetic stirring, and final heavy reduction.
Validation: Full-section UT passed; mechanical properties exceeded EN 10083-3 requirements; approved by tier-1 forging OEM and end-user.
Impact: Enables higher-power, longer-life pumped-storage units—accelerating global grid-scale energy storage deployment.

General Disclaimer

Performance data are based on standard test methods under controlled conditions. Actual service performance depends on customer-specific processing, design, and operating environment. U3ARC and its partners shall not be liable for indirect or consequential damages. Delivery timelines are subject to force majeure events as defined under ICC Incoterms® 2020.

Contact U3ARC

For technical inquiries, sample requests, or custom project initiation, please reach out to our global engineering and commercial team:

U3ARC – Enabling Global Heavy Industry with Advanced Material Solutions

CCRB-U3ARC Series

Description

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