Baoji Ruihenghua Titanium Metal Composite New Materials Co., Ltd. is one of the leading manufacturers and suppliers of zirconium steel explosion composite plate in China. If you're going to buy customized zirconium steel explosion composite plate made in China, welcome to get more information from our factory. For price consultation, contact us.
Product Introduction
Zirconium steel explosion composite plates are high-end, heavy-duty, corrosion-resistant bimetallic composite plates manufactured using a high-energy explosion cold welding process. The entire production process adheres to the ASTM B898 refractory metal composite plate standard and the ASME SB-898 pressure equipment composite plate standard. The zirconium cladding and the steel base layer achieve a complete metallurgical bond without brittle intermetallic compounds, with interfacial bonding strength far exceeding international standard requirements. The product combines the extremely strong acid resistance, high temperature resistance, and crevice corrosion resistance of industrial pure zirconium with the high strength, easy welding, and cost-effectiveness of carbon steel/stainless steel base layers. Only a thin zirconium layer is needed on the corrosion contact surface to achieve long-term corrosion protection. Compared to pure zirconium plates, this reduces material costs by 65%-80%, solving the industry problem of easy cracking and poor fusion when directly welding dissimilar metals like zirconium and steel. It is suitable for extreme corrosive conditions where titanium and stainless steel cannot withstand them, and is widely used in chemical strong acid reactors, high-temperature hydrometallurgy, nuclear power heat exchange equipment, pesticide and pharmaceutical synthesis, and other fields. It is a core structural material for cost reduction and efficiency improvement in extreme corrosive environments.
Products Description
Implement International Standards System
● Common standards for composite panels: ASTM B898, ASME SB-898.
● Zirconium cladding material standard: ASTM B551 (Standard specification for thin, medium and heavy plates of zirconium and zirconium alloys).
● Carbon steel base standards: ASTM A516 Gr.70 (for pressure vessels), ASTM A36 (for structures).
● Stainless steel base standard: ASTM A240 (austenitic stainless steel plate).
● Inspection and acceptance standards: EN 10204 3.1 Material Certificate, ASTM A578 Ultrasonic Testing Standard, ISO 17671 Interface Bond Strength Testing.
Standard Material Grade
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Layered Structure |
Optional International Brands |
Operating Condition Adaptation Instructions |
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Zirconium Cladding |
R60702 (Zr702 industrial pure zirconium), R60705 (Zr705 zirconium-tin alloy). |
R60702: Suitable for general strong acid corrosion conditions, with excellent formability; R60705: High-strength pressure-bearing, suitable for high-temperature, high-pressure, and highly corrosive equipment. |
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Steel Base |
Carbon steel: SA-516 Gr.70, A36; Stainless steel: 304/304L, 316/316L. |
SA-516 Gr.70: For pressure vessels only; A36: Common structural components; 316L: Synchronous corrosion protection on the weak corrosion side. |
Product Features and Applications
Product Advantages
Zirconium layer has extremely strong corrosion resistance to most organic and inorganic acids such as hydrochloric acid, sulfuric acid, phosphoric acid, and acetic acid. Its resistance to pitting corrosion and crevice corrosion is far superior to that of titanium and stainless steel, and it can be adapted to high-temperature and strong acid conditions that titanium materials cannot handle.
Explosion-driven high-speed collision achieves atomic-level metallurgical bonding, with a uniform wave-shaped interface. The shear strength far exceeds that of rolled composite plates, and there is no delamination after bending, rolling, and welding, meeting the pressure-bearing requirements of pressure vessels.
Only the corrosion contact surface uses the precious and rare metal zirconium, while the main body uses low-cost steel. Under the same corrosion protection life, it saves 65%-80% of material costs compared with pure zirconium plates, which greatly reduces the overall cost of high-end heavy corrosion protection equipment.
It can perform deep processing such as rolling, stamping, CNC machining, welding, and head spinning, and supports the production of pressure vessel components such as cylinders, heads, tube sheets, and flanges, with a dedicated zirconium steel welding process solution.
Under strong acid and high temperature conditions, its service life is 15-20 times that of stainless steel equipment. The oxide film on the zirconium surface can self-repair, and there is no risk of corrosion and leakage during long-term operation, with extremely low maintenance costs.
Application Areas
Petrochemical: Strong acid reaction vessels, heat exchangers, towers, and high-pressure pipeline linings, suitable for hydrochloric acid, acetic acid, and phosphoric acid production equipment.
Hydrometallurgy: High-temperature and high-pressure leaching tanks, autoclaves, and corrosion-resistant components in hydrometallurgical copper/zinc smelting.
Nuclear power industry: nuclear fuel processing equipment, nuclear-grade heat exchange components, radioactive waste treatment devices.
Pesticides and pharmaceuticals: pharmaceutical intermediate synthesis reactors, corrosion-resistant equipment for pesticide production.
Environmental engineering: High-concentration acidic wastewater treatment equipment, corrosion-resistant components for hazardous waste disposal.
Chemical fiber and light industry: PTA production equipment, corrosion-resistant components for chemical fiber spinning.
Product Details
Zirconium coating
Acid-etched matte passivated surface, forming a dense and stable oxide film with optimal corrosion resistance; can be polished to a mirror finish as needed.
01
Steel base surface
Rust removal and rust prevention primer treatment, or black rolled surface can be provided.
02
Edge treatment
Milling removes unbonded areas at the edges to ensure 100% bonding on all sides, and can process special welding bevels.
03
Optional deep processing services
We support customized cylinder rolling, end cap stamping, tube sheet drilling, flange processing, and irregular part cutting according to drawings. We can also provide guidance on zirconium steel dissimilar metal welding process and welding material recommendations.
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Product Supporting Documents
Authoritative International Qualification Certificates
ASTM B898 and ASTM B551 material testing reports, and original manufacturer material certificates in EN 10204 3.1 for each batch.
ISO 9001 Quality Management System Certification, ISO 14001 Environmental Management System Certification.
Third-party SGS interface combined with strength, strong acid corrosion, and UT flaw detection reports.
EU PED (Pressure Equipment Material) certification for pressure equipment; product specifications meet basic standards for nuclear-grade materials.
thoughtful service
Packaging Standards (For Export By Sea)
Each sheet of board is covered with a PE protective film and rust-proof paper, and solid wood corner protectors are added to the four corners to prevent damage to the zirconium surface during transportation.
The entire batch is packaged in fumigated solid wood export crates, with desiccant and rust inhibitor placed inside.
The wooden crates are labeled with material grade, dimensions, gross weight, and moisture-proof/lifting markings, suitable for all scenarios including sea, land, and air transport.
Professional Consultation Q&A
Q1: Which international standards do your zirconium/steel explosion composite plates meet?
A1: Our products strictly adhere to ASTM B898 (Standard Specification for Reactive and Refractory Metal Composites) and ASME SB-898 (Pressure Vessel Class) standards; the zirconium layer conforms to ASTM B551, and the steel substrate conforms to ASTM A516 or ASTM A240. Each batch of products comes with a factory inspection certificate conforming to EN 10204 3.1.
Q2: What is the core difference between zirconium steel composite plates and titanium steel composite plates?
A2: Zirconium has far superior corrosion resistance to strong acids (such as hydrochloric acid, sulfuric acid, and acetic acid) compared to titanium, especially in high-temperature environments, and can operate stably at 350℃ for extended periods. Titanium-steel composite plates, on the other hand, are suitable for conventional chloride-containing and weakly acidic conditions. For extremely harsh and highly corrosive environments, zirconium-steel composite plates are the preferred solution.
Q3: Which zirconium grade should be selected for a high-pressure strong acid reactor?
A3: For high-pressure, high-temperature, and strong acid equipment, R60705 (Zr705) zirconium alloy is recommended due to its higher strength and better pressure resistance. For atmospheric pressure and medium-temperature corrosion conditions, R60702 (Zr702) pure zirconium offers better formability and a higher cost-performance ratio.
Q4: Can zirconium-steel composite plates be rolled into cylinders or spun into heads?
A4: Yes. Our exploded composite panels have a stable metallurgical bonding interface and have passed a 180° cold bending test without cracking or delamination. This material supports deep processing techniques such as rolling, end-forming, and stamping. We also provide matching zirconium-steel welding processes and welding material solutions.
Latest company news
The full series of composite metal production lines has completed upgrades, reaching an annual production capacity of 1,350 tons.
Based in Baoji known as "China's Titanium Valley" Baoji Ruihenghuatai Titanium Metal Composite New Materials Co., Ltd. underwent an asset restructuring in 2024 and subsequently comprehensively upgraded its production lines for explosive welding, vacuum heat treatment, and precision machining. With 20 years of experience in non-ferrous metal processing, the company now possesses a complete industrial chain spanning ingot melting, forging, and rolling to vacuum heat treatment, supported by core equipment such as a 350kW electron beam melting furnace, a 2,000-ton hydraulic press, and a 1,500mm vacuum annealing furnace. Its product portfolio encompasses composite plates, rods, and finished components based on titanium, copper, aluminum, nickel, and zirconium, as well as multi-layer transition composites, with an annual output of 1,350 tons. All products are manufactured in strict accordance with international standards such as ASTM and ASME, backed by a comprehensive quality traceability system. With a 30% increase in production efficiency and delivery times for standard batch orders kept within 15 days, the company ensures a stable supply for global clients across the chemical, energy, new energy, and metallurgical sectors.
Enhanced R&D capabilities; titanium-based cathode plate project officially put into production.
To meet market demand in the fields of electrochemical metallurgy and new energy materials, our independently developed titanium-based cathode plate production project officially cleared government filing and environmental protection inspections in October 2025 and has now entered full-scale production.
Building upon our existing composite plate substrate capabilities, we have expanded our deep-processing operations to include finished components such as cathode plates, conductive busbars, and pressure vessel parts, thereby achieving integrated production that spans from raw composite plate materials to finished end products. We continue to increase R&D investment in dissimilar metal composite technology, enabling us to provide customized material solutions tailored to demanding operating conditions-including exposure to strong acids, strong alkalis, high temperatures, and high pressures-thereby helping customers optimize project costs and extend equipment service life.
Upgraded global service system; possessing independent import and export qualifications, enabling global distribution.
The company holds independent import and export rights and has established a comprehensive global supply and service network, with operations spanning Europe, Southeast Asia, North America, the Middle East, and other regions. We partner with renowned international logistics carriers to provide diverse transportation solutions, including sea freight, air freight, and China-Europe rail services.
Adhering to a "Quality First, Customer Foremost" philosophy, we issue EN 10204 3.1 material inspection certificates for every batch of products and support third-party inspections by authoritative bodies such as SGS and BV for all volume orders. We offer a 7-day free replacement service and long-term quality guarantees to address any quality issues, backed by 24/7 online technical support from professional engineers. We are committed to becoming a trusted, long-term supplier of clad metals to customers worldwide.
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