Explore our premium metallurgical product lineup designed to drastically extend machinery lifecycle in severe abrasion and high-stress environments.
High-chromium alloy flux-cored wires designed for open-arc and submerged-arc hardfacing welding to resist intense gouging abrasion.
View Details >
Engineered for seamless hardfacing without external shielding gas, delivering exceptional deposition rates and micro-hardness consistency.
View Details >
Fused structural steel backing with high-density chromium carbide overlay designed for extreme sliding wear and moderate impact resistance.
View Details >
Precision-engineered wear plates featuring controlled primary M7C3 carbide formation for mining hoppers, chutes, and material handling systems.
View Details >
Ultra-high hardness overlay plates tailored for severe mining and cement chute liners, delivering up to 5x operational durability over conventional AR steel.
View Details >
Premium structural steel backed wearplate with hard weld surfacing complying fully with German DIN 8555 standards for specialized industry wear parts.
View Details >
Four-gun automated numerical control welding station with 10.2-inch touchscreen UI, optimized for continuous plate cladding and mill roll repair.
View Details >
Turnkey hardfacing restoration services for coal mill rolls, roller presses, and crusher components, extending component service life exponentially.
View Details >An in-depth industrial analysis of Bimetallic Chromium Carbide Overlay (CCO) microstructures and performance parameters under high-stress abrasive operating conditions.
The superior wear resistance of high-quality resistant metals stems directly from their chemical alloy composition and solid-state solidification dynamics. Tangshan Runxing Machinery utilizes proprietary flux-cored wire chemistry that deposits high-chromium, high-carbon alloys yielding dense arrays of primary hex-shaped M7C3 chromium carbides dispersed uniformly within a tough austenitic matrix.
With carbide volume fractions exceeding 40% to 50% and micro-hardness ratings spanning HV 1500–1800 (macro hardness HRC 58–65), these overlay coatings effectively arrest abrasive grain penetration, cutting wear, and high-velocity micro-plowing caused by quartzite, clinker, coal ash, and iron ore.
Traditional quenched and tempered alloy steels (such as AR400, AR500, or AR600) rely on martensitic phase transformation for hardness. However, when exposed to thermal stress above 250°C, quenched steels lose structural temper and experience exponential rate of abrasive degradation.
In contrast, Bimetallic Chromium Carbide Overlays (CCO) engineered by Runxing Machinery retain metallurgical hardness at elevated temperatures up to 600°C–700°C. Comparative ASTM G65 dry sand rubber wheel abrasion testing proves that CCO wear plates outlast AR500 steel plates by 4 to 9 times under aggressive sliding abrasion, drastically dropping scheduled equipment overhaul frequencies.
Unlike standard homogenous rolled plate materials, hardfacing is a metallurgically bonded composite solution. The structural backing plate (Q235B / A36 carbon steel) provides stress absorption, weldability, and structural flexibility, while the fused overlay alloy withstands brutal abrasive wear. This bimetallic architecture enables engineers to bolt, weld, bend, and flame-cut custom wear liners into complex geometric chute configurations without cracking the structural substrate.
How Tangshan’s heavy industry hub empowers global procurement teams with cost optimization, structural scalability, and swift delivery lead times.
Situated in Tangshan, Hebei Province—the heartland of China's premium steel manufacturing infrastructure—Tangshan Runxing Machinery benefits from direct, raw material integration. Access to specialized base plate steels, raw ferro-alloys, and liquid metal processing drastically reduces raw material procurement costs and guarantees consistent chemical purity across all production runs.
All export transactions, customs declarations, shipping logistics, and international trade compliance are managed directly through authorized corporate export entity, Hebei Yuwan International Trade Co., Ltd. This clear operational division ensures our manufacturing plant focuses 100% on metallurgical R&D and QA, while Yuwan handles worldwide CIF, FOB, and DDP shipments smoothly.
With multi-gun automated numerical control welding stations operating in parallel, our production facility delivers high-volume output of wear plates and flux-cored wires without sacrificing weld seam consistency or introducing thermal distortion into base steel plates.
Why procurement officers in global mining, power, and cement conglomerates transition from low-cost untreated plates to high-gain engineered hardfacing metals.
In heavy industrial operations such as cement clinker grinding or iron ore beneficiation, equipment downtime costs thousands of dollars per hour. Installing high-grade Chromium Carbide Overlay (CCO) plates or utilizing automated hardfacing roll repair extends continuous run-times from months to years, preventing unexpected structural line failures.
Because CCO plates offer up to 5 times the wear resistance of conventional quenched steel at equivalent thickness, design engineers can specify thinner backing plates without compromising operational safety. This significantly reduces overall mechanical weight on dynamic machinery, vibrating screens, conveyor armatures, and excavator boom arms.
Every batch produced by Tangshan Runxing Machinery undergoes strict metallurgical validation, including micro-hardness testing, dye-penetrant crack inspection, bonding integrity checks, and ASTM G65 abrasion testing to guarantee international standards compliance prior to export dispatch.
We do not merely supply raw plates. Our factory offers complete CNC plasma cutting, plasma arch drilling, countersunk hole processing, stud welding, and pre-rolling services. Global procurement clients receive ready-to-install liner kits directly tailored to OEM equipment drawings.
Comprehensive wear protection systems, automated machinery, and engineering roll repair solutions.
Composite material wearplate made of a structural steel backing & a hard weld surfacing. RX®wp 7600 is a composite material made of a structural steel backing and a hard weld surfacing, corresponding to DIN 8555.
See more products >
Self shielded flux cored wire. High chromium alloy designed for resisting high stress grinding abrasion with low impact. Engineered specifically for continuous hardfacing of wear plates and structural liners.
See more products >
Specialized self shielded flux cored wire containing heavy carbide formers. Formulated specifically to combat extreme grinding abrasion in severe industrial process environments.
See more products >
RX® Surfacing equipment featuring high automation efficiency, small footprint, and low power consumption. Features advanced numerical control via a 10.2-inch touch screen with four welding guns operating simultaneously or independently for plate cladding and roll restoration.
See more products >
RX® possesses extensive engineering experience in manufacturing specialized machinery, custom machining accessories, complex wear assemblies, and heavy industrial engineering projects.
See more products >
Expert restoration for continuous casting rolls, conveyor rolls, coal mills, vertical mills, and roller presses. RX® engineered surfacing technologies drastically improve operational service life and reduce cost per ton.
See more products >Founded in 2010 in Tangshan, Hebei Province, Tangshan Runxing Machinery Co., Ltd. is a recognized leader in R&D, manufacturing, and on-site engineering of hardfacing wear-resistant metal products.
Our comprehensive portfolio encompasses Chromium Carbide Overlay (CCO) wear plates, custom processed wear liners, wear-resistant pipes and fittings, hardfacing flux-cored welding wires, automatic hardfacing machinery, and expert roller surfacing repair services.
Driven by our core philosophy of “Integrity, Superior Quality, Innovation & Sustainable Development,” we have established advanced metal surface hardfacing mastery, serving heavy industrial sectors including cement, steel manufacturing, mining, power generation, and port dredging worldwide.
Export Operations Note: All global export contracts are officially authorized and handled by Hebei Yuwan International Trade Co., Ltd. Yuwan manages customs clearance, logistics, documentation, and international banking, enabling our factory to focus entirely on precision production and quality assurance.
Tailored metallurgical solutions deployed in extreme friction, heat, and high-impact working environments.
Equipment availability determines cement plant profitability. Our CCO plates and hardfacing wires protect raw material hoppers, separator vanes, clinker chutes, and vertical coal mill rolls against severe abrasive wear.
See Case Details >
Helping mine operators maximize productivity through durable wear solutions for excavator bucket liners, crusher hoppers, vibrating screen plates, skip liners, and slurry transport pipe bends.
See Case Details >
Combating raw mineral abrasion, extreme thermal radiation, and chemical oxidation in blast furnace hoppers, sinter plant chutes, coke handling systems, and continuous casting rolls.
See Case Details >
Engineered wear protection for pulverized coal mill liners, exhauster fan blades, fly ash lines, conveyor transfer points, and flue gas desulfurization (FGD) ductwork.
See Case Details >
Bulk material handling equipment in ports endures constant friction. We protect loading hoppers, grab buckets, stacker-reclaimer chutes, and marine dredging pump casings.
See Case Details >
High-purity alumina ceramics sintered at ultra-high temperatures provide alternative high-velocity fine particle sliding wear protection for chemical handling and fine slurry lines.
See Case Details >How next-generation materials science and smart manufacturing are transforming heavy asset surface engineering.
The industry is shifting from standard binary Cr-C formulations toward complex multi-element micro-alloying. Injecting precise micro-additions of Niobium (Nb), Vanadium (V), Titanium (Ti), and Tungsten (W) forms ultra-hard secondary nano-carbides, raising operational thermal resistance up to 750°C while resisting high-stress impact cracking.
Integration of smart sensory systems and laser-guided weld head tracking into automated surfacing machinery ensures perfect bead overlap, minimal dilution ratios, and smooth surface topography. This reduces initial material friction coefficient upon plant commissioning.
Environmental regulations demand cleaner flux-cored wire manufacturing. Next-generation wire formulations dramatically reduce hazardous hexavalent chromium welding fumes and particulate emissions during on-site maintenance hardfacing operations.
Demonstrating technical authority, academic partnerships, and international market engagement.
To provide one-stop wear-resistant material procurement and technical consulting, Tangshan Runxing Machinery officially launched its global portal www.runxing-machinery.com, enhancing technical service response times for international partners.
Read Press Release >
From September 2 to 6, 2024, Runxing Machinery presented its latest CCO wear plates and flux-cored hardfacing wires at the Johannesburg International Convention Center, solidifying supply channels across African mining markets.
Read Exhibition Summary >
In 2023, Yuan Shaoqiang (Dean of Tangshan University), Li Jing (Vice Dean), and Prof. Yang Yuehui (Lead Researcher in Metal Materials & Forming Technology) conducted a joint research summit at our plant with GM Li Xiuhua and VP Cui Jianying to advance metallurgical surface hardfacing techniques.
Read Research Report >
Since 2019, Tangshan Runxing Machinery has been recognized as a qualified agent for world-renowned German VAUTID wear protection materials, incorporating top-tier European alloy technology into our heavy engineering solutions.
Read Partnership Details >
Runxing Machinery actively participated in EXPOMIN 2023 in Chile—the world's second-largest professional mining expo—presenting high-hardness CCO wear liners tailored for copper and lithium extraction operations.
Read EXPOMIN Report >
Addressing core technical, metallurgical, logistics, and compliance queries from global engineering teams.
Quenched alloy steels rely on heat treatment to achieve hardness up to ~500 HBW, but quickly wear down under high-stress sliding friction and lose hardness when operational heat exceeds 250°C. CCO wear plates feature a fused metallurgical deposit rich in primary chromium M7C3 carbides (HV 1500–1800 microhardness) embedded in austenite. This structure provides up to 5x higher abrasion resistance and operates continuously up to 600°C–700°C without tempering loss.
Yes. The mild carbon steel base plate (e.g., Q235B or A36) absorbs structural mechanical loads and provides complete weldability. The plates can be plasma cut, countersunk drilled, stud-welded, and rolled into curved radius pipes or conical hoppers with the overlay facing inward or outward.
Hebei Yuwan International Trade Co., Ltd. is the fully authorized single-window export arm for Tangshan Runxing Machinery Co., Ltd. Yuwan manages international commercial contracts, customs declarations, Bill of Lading documentation, trade financing (LC, TT), and shipping door-delivery (CIF, DDP, FOB) to simplify international transactions.
Our manufacturing protocols adhere strictly to ISO 9001:2015 quality assurance systems. Our hardfacing composite plates conform to German DIN 8555 standards (e.g., WS-6-60-PT), and wear performance is benchmarked using ASTM G65 Dry Sand/Rubber Wheel Abrasion standard procedures.
Clients should specify the primary wear mechanism (fine particulate sliding abrasion, heavy grinding, severe impact, thermal erosion), base metal composition, welding equipment type (open arc vs submerged arc), wire diameter (1.2mm to 3.2mm), and target target surface hardness range (HRC 55 to HRC 65).
Standard hardfacing plate stock and standard flux-cored wire formulations ship within 7–12 business days. Custom fabricated liner kits requiring CNC plasma cutting, stud welding, or specialized radius rolling typically deliver within 15–20 days from drawing sign-off.
Select from our complete range of certified hardfacing plates, wires, and specialized restoration services.
High-chromium flux-cored wires designed for open-arc and submerged-arc hardfacing welding.
Inquire Now >
Engineered for hardfacing without external gas, delivering high deposition rates and consistent micro-hardness.
Inquire Now >
Fused structural steel backing with high-density chromium carbide overlay for sliding wear resistance.
Inquire Now >
Precision-engineered wear plates featuring controlled primary M7C3 carbide formation for heavy industrial chutes.
Inquire Now >
Ultra-high hardness overlay plates tailored for mining and cement chute liners under aggressive abrasion.
Inquire Now >
Structural steel backed wearplate with hard weld surfacing corresponding directly to German DIN 8555 standards.
Inquire Now >
Four-gun automated numerical control welding machine with 10.2-inch touchscreen UI for plate and roll cladding.
Inquire Now >
On-site and factory surfacing repair services for coal mill rolls, roller presses, and crushing equipment components.
Inquire Now >
Runxing machinery
