ODM Welding Gas & Hardfacing Material Solutions

The Definitive Industrial Guide to Shielding Gas Optimization, Chromium Carbide Overlay (CCO) Plate Fabrication, and High-Performance Metallurgical Hardfacing Technologies.

Premium Wear-Resistant & Welding Gas Materials

Engineered for maximum component lifespans under intense abrasion, high thermal stress, and corrosive environments.

ODM High Hardness CCO Plate

Runxing RX-m Series CCO Wear Plates

Highly customized chromium carbide overlay wear plates designed specifically for heavy mining chute liners and cement processing environments.

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OEM Self Shielded Flux Cored Wire

OEM Self-Shielded Flux Cored Wire

Specialized hardfacing consumables engineered to eliminate external shielding gas dependencies while delivering uniform weld beads.

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ODM CCO Wear Plate Factory

ODM Chromium Carbide Overlay Plate

Engineered via precision open-arc surfacing, featuring dense primary chromium carbide microstructures (M7C3) for superior hardness.

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Wholesale Hardfacing Flux Cored Wire

Wholesale Hardfacing Flux Cored Wire

Premium welding consumables manufactured to international standards. Perfect for rebuild overlays and severe-grinding wear contexts.

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Bimetallic Wear Resistant Steel Plate

Bimetallic Surfacing Wear Plate

Composite steel plate featuring structural steel backing fused with hardface overlays, corresponding to key DIN 8555 specifications.

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RXwp 7600 Wear Plate

RX®wp 7600 Composite Wearplate

A flagship composite plating incorporating structural backing and high weld hardfacing to meet severe heavy industry parameters.

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Welding Wire and Shielding Gas Technology

Runxing High Chromium Alloy Wire

Optimized for resisting high-stress grinding abrasion with low impact. Excellent compatibility with various welding shielding gases.

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PTTA Surfacing consumables

PTTA Welding Consumables

High-grade overlay wires and metal powder combinations optimized for precision Plasma Transferred Arc surfacing systems.

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Scientific Insight

Understanding Welding Gas Dynamics in ODM Overlay Manufacturing

In the production of Chromium Carbide Overlay (CCO) plates and bimetallic wear-resistant steel, the choice of shielding gas mixture is a key determinant of quality. Precise gas composition controls the transfer mode of the electric arc, reduces weld spatter, governs carbon-recovery efficiency, and prevents nitrogen absorption that induces porosity.

For open-arc surfacing setups, self-shielded flux-cored wires utilize special gas-forming raw materials inside the flux core, generating local protective atmospheres. When utilizing gas-shielded hardfacing (GMAW), custom combinations of Argon (Ar), Carbon Dioxide (CO2), and Helium (He) are formulated to balance penetration depth and profile consistency:

  • Argon-rich mixes (80-90% Ar + 10-20% CO2): Optimizes spray transfer, reducing macro-cracking risks during overlay buildup.
  • 100% Carbon Dioxide (CO2): Provides deep penetration profiles essential for fusing heavy CCO overlays to structural steel backings.
  • Helium-enhanced additions: Delivers superior heat input for high-productivity cladding setups on large mill rolls.

Gas Selection & Metallurgical Performance

Arc Stability Index (Ar/CO2 mix) 94%
Dilution Control (Reducing base metal contamination) 88%
Crystalline Chromium Carbide Density 92%
2010
Company Founded
14+ Yrs
R&D and Production Experience
6 Yrs
Qualified Germany VAUTID Partner
100%
Custom Solutions Delivery
Company Profile & Expertise

About Tangshan Runxing Machinery Co., Ltd.

Tangshan Runxing Machinery Co., Ltd., founded in 2010, is a professional manufacturer located in Tangshan, Hebei Province, focusing on R&D, production, and on-site construction services for hardfacing wear-resistant metal products. Leveraging advanced metal surface hardfacing technologies, we cater to demanding global environments.

Our comprehensive production facility focuses on high-quality product development and manufacture. Our core portfolio includes chromium carbide overlay (CCO) wear plates, custom processed wear liners, wear-resistant pipes and pipe fittings, hardfacing flux-cored welding wires, automatic hardfacing welding machines, and professional roller surfacing repair services.

Following the business philosophy of "Integrity, Superior Quality, Innovation & Sustainable Development," we deliver customized wear-resistant solutions for cement, steel, mining, port, and dredging industries globally. We have also built a strong market reputation across Russia and Central Asia.

To ensure streamlined operations and reliable transaction support, all export business is fully authorized and managed by Hebei Yuwan International Trade Co., Ltd. This trade agency manages customs clearance, shipments, document formulation, and payment collections. This setup allows the manufacturing plant to focus entirely on metallurgical quality and production efficiency.

Tangshan Runxing Machinery Facility

Runxing Advanced Materials Surface Technology Center

Industrial Solutions & Applications

Proven protection systems deployed globally to combat high-impact stress, friction, and extreme sliding abrasion.

Cement Industry Wear Solutions

Cement

Equipment availability is critical for cement plants. Our wear-resistant products extend the service life of chute liners, hoppers, and crusher parts, reducing unplanned downtime.

Mining Industry Wear Solutions

Mining

To help operators maximize profitability and safety, we deliver heavy-duty bimetallic CCO plates designed to handle severe impact and rock abrasion during transfer operations.

Steel Industry Hardfacing

Steel

Components in the steel sector face harsh operating environments involving high temperatures, heavy friction, and chemical corrosion. Our overlays help maintain structural integrity under these conditions.

Electric Power Wear Protection

Electric Power

Optimized wear protection for fan blades, coal conveyor chutes, hopper liners, pulverizer mills, dust collectors, and related raw fuel handling components.

Port Wear Resistance

Port

Material handling machinery, stacker-reclaimers, and conveyor systems in ports deal with high-volume friction. We supply wear plates to keep loading lines running smoothly.

Alternative Alumina Ceramics

Alternative Solutions

For high-abrasion applications where weight or structural limits restrict the use of heavy alloy steel overlays, we offer wear-resistant alumina ceramic components.

Updating Cases

Custom Applications

We continuously expand our applications to address niche wear and tear challenges in chemical plants, paper milling, and bulk dredging operations.

Future Industrial Engineering

Future Solutions

Our R&D team works on next-generation composite plates, combining automated cladding processes with custom alloy formulations for target environments.

Technical Roadmap & Future Outlook

Exploring developments in chromium carbide overlays, automation in welding, and eco-friendly gas-shielded hardfacing.

Phase 01

Shielding Gas Optimization

Developing low-emission, hydrogen-controlled gas formulations to minimize micro-cracking and improve weld bead profiles on large-scale bimetallic structures.

Phase 02

Automated Surfacing Systems

Integrating advanced numerical control into our multi-gun surfacing machinery. This system maintains uniform welding parameters and adjusts swing paths via touchscreen controls.

Phase 03

High-Performance Alloys

Collaborating with academic institutions like Tangshan University to develop complex alloy matrices containing niobium, boron, and titanium for extreme operating environments.

Global Procurement Demands and Local Support

Global procurement teams in mining and cement manufacturing require suppliers that can balance production capacity with local compliance. The export of heavy wear plates and automated welding machinery involves managing trade classifications, logistics weight limits, and import compliance documentation.

Runxing Machinery handles these logistics in partnership with Hebei Yuwan International Trade Co., Ltd., managing customs clearances, ocean logistics, and banking documentation. This structure ensures our products reach major transport hubs in Russia, Central Asia, and beyond while maintaining consistent manufacturing schedules at our production facility.

Metallurgical Standards: Meeting DIN 8555 & ASTM G65

Industrial wear liners are evaluated using standardized testing protocols. Our bimetallic wear-resistant composite plates (such as the RX®wp 7600) are manufactured in compliance with international wear standards:

  • DIN 8555 Classification: Classifies welding consumables and deposit properties. Our wear plates match high-chromium iron classifications (such as MSG 10-GF-60-G), ensuring consistent crystalline carbon-iron phase deposits.
  • ASTM G65 dry sand rubber wheel abrasion testing: Confirms minimal volume loss under high-stress sliding friction, validating the performance of our primary chromium carbide (M7C3) overlays.

Events, Exhibitions & Technical Milestones

Tracking our international trade events, academic research collaborations, and corporate developments.

Runxing New Website Launch

Runxing Digital Platform Launch

We launched runxing-machinery.com to offer procurement teams a platform to request quotes, review alloy properties, and customize wear liner drawings online.

Africa 2024 Trade Show

Runxing at Electra Mining Africa

We showcased our wear plates, automated welding equipment, and custom mining liners at the 2024 international mining and power exhibition in Johannesburg, South Africa.

Tangshan University Delegation Visit

Academic Research Collaborations

Dean Yuan Shaoqiang and Professor Yang Yuehui from Tangshan University visited our facility to collaborate on metal forming and surface hardfacing research projects.

VAUTID Partnership Agency

Authorized VAUTID Agent Since 2019

For six consecutive years, Tangshan Runxing has worked with VAUTID Germany, utilizing their specialized wear-resistant materials for select products.

EXPOMIN Chile Exhibition

Expomin South America Exhibition

We participated in the EXPOMIN exhibition in Santiago, Chile, presenting our high-chromium wear liners and hardfacing flux-cored wires to Latin American mining operators.

Expert Q&A: Hardfacing Wear Plates & Shielding Gas Selection

Technical answers to common questions about wear material engineering, welding gas mixtures, and maintenance overlay solutions.

What is the ideal shielding gas composition for welding high-chromium flux-cored wires?

For gas-shielded flux-cored hardfacing wires (FCAW-G), an Ar/CO2 blend (typically 80/20 or 75/25) is standard. Argon stabilizes the arc and minimizes spatter, while Carbon Dioxide ensures deep penetration and carbon recovery in the weld pool. Pure CO2 can be used for deeper penetration, though it increases spatter and slag formation.

How does Chromium Carbide Overlay (CCO) compare to standard Quenched and Tempered (Q&T) wear plates?

While Q&T plates (like AR400 or AR500) rely on martensitic structures for toughness and moderate wear resistance, CCO wear plates contain primary M7C3 chromium carbides with microhardnesses reaching 1500 HV. Under sliding abrasion, CCO plates provide significantly longer service life, though Q&T plates retain an advantage in high-impact environments.

Why do transverse cracks appear on CCO wear plates, and are they structurally safe?

Yes, these transverse cracks—known as check cracks—are a normal characteristic of the cooling process in CCO plates. They form to relieve thermal stress without penetrating the ductile steel backing plate, and they do not affect the plate's wear resistance during operation.

What role does Hebei Yuwan International Trade play in purchasing from Runxing?

Hebei Yuwan International Trade Co., Ltd. is the authorized trade partner for Tangshan Runxing Machinery. They handle the commercial aspects of international orders, including customs documentation, shipping arrangements, and payment processing, allowing the factory to focus on manufacturing.

Can self-shielded flux-cored wire be used outdoors?

Yes, self-shielded flux-cored wire (FCAW-S) is well-suited for outdoor hardfacing and field maintenance. Because it contains gas-generating agents within its core, it does not require an external shielding gas supply, making it less vulnerable to wind and drafts during on-site welding.

How does Runxing maintain quality control during overlay fabrication?

We use automated multi-gun surfacing systems to manage heat input and cooling rates. This control maintains consistent dilution levels with the base steel and helps produce a uniform concentration of primary carbides across the wear layer.

Verified Engineering Partners & Technology Certifications

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Order Inquiries & Technical Specifications

Explore our main product line for system retrofits, heavy wear maintenance, and bulk fabrication projects.

ODM Wear Resistant Steel Plate

RX-m Series CCO Wear Plates

Heavy wear plate liners customized for mining chutes, cement hoppers, and abrasive bulk handling systems.

Technical Spec
Self-Shielded hardfacing wire

OEM Self-Shielded Flux Cored Wire

Self-shielded hardfacing wire designed for open-arc applications and field repairs without external shielding gas.

Technical Spec
ODM CCO Wear Plate

ODM Chromium Carbide Overlay (CCO)

Precision-surfaced CCO plates with high primary carbide fraction to resist sliding wear.

Technical Spec
Wholesale Hardfacing flux cored wires

Wholesale Flux Cored Wires

High-chromium overlay wires developed for rebuilt layers and industrial wear surfaces.

Technical Spec
Bimetallic CCO plate

Bimetallic Surfacing Wear Plate

Composite steel plate featuring a structural backing plate and hard overlay, corresponding to DIN 8555 standards.

Technical Spec
RXwp 7600 Composite Wearplate

RX®wp 7600 Composite Wearplate

Bimetallic composite sheet structured for severe wear environments, corresponding to major DIN standards.

Technical Spec
Welding flux cored wire

Runxing High-Chromium Wire

High-chromium alloy wire formulated to resist high-stress grinding abrasion under low-impact conditions.

Technical Spec
PTTA overlay materials

PTTA Surfacing Consumables

High-grade overlay wires and metal powder combinations optimized for precision Plasma Transferred Arc surfacing systems.

Technical Spec