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Precision-manufactured titanium sheets and foils meeting ASTM B265, ideal for electrolyzer bipolar plates, fuel cell components, and clean energy infrastructure.
As the global energy sector accelerates its transition toward decarbonization, the materials used in renewable energy and hydrogen production systems have become as critical as the technologies themselves. Among all structural metals, commercially pure (CP) titanium — particularly ASTM Grade 1 (GR1) and Grade 2 (GR2) — has emerged as the preferred choice for engineers and system designers working on next-generation clean energy infrastructure.
🏆 GR1 & GR2 titanium sheets meet ASTM B265 standards and deliver unmatched corrosion resistance, biocompatibility, and electrochemical stability in hydrogen and renewable energy environments.
Grade 1 titanium offers the highest purity and maximum ductility, making it ideal for forming complex fuel cell components and thin-membrane applications. Grade 2 titanium, with slightly higher strength while retaining excellent corrosion resistance, is the workhorse material for electrolyzer plates, heat exchangers, and solar collector panels where both structural integrity and chemical durability are paramount.
The combination of low density (approximately 4.51 g/cm³), exceptional corrosion resistance in oxidizing and reducing environments, and long operational lifespan makes GR1/GR2 titanium sheets a cost-effective, high-performance solution for the renewable energy sector's most demanding applications.
Understanding the precise material properties of GR1 and GR2 enables optimal material selection for each renewable energy application.
| Property | Value |
|---|---|
| Standard | ASTM B265 GR1 |
| Thickness Range | 0.3 mm – 12 mm |
| Width Range | 500 mm – 2000 mm |
| Tensile Strength (min) | 240 MPa |
| Yield Strength (min) | 170 MPa |
| Elongation (min) | 24% |
| Density | 4.51 g/cm³ |
| Surface Finish | Cold rolled bright, pickled, hot rolled pickled, black oxide |
| Condition | Annealed |
| Key Advantage | Maximum ductility, optimal for deep-drawing & forming |
| Property | Value |
|---|---|
| Standard | ASTM B265 GR2 |
| Thickness Range | 0.3 mm – 100 mm |
| Width Range | 400 mm – 3000 mm |
| Tensile Strength (min) | 345 MPa |
| Yield Strength (min) | 275 MPa |
| Elongation (min) | 20% |
| Density | 4.51 g/cm³ |
| Surface Finish | Cold-rolled bright, acid-washed, sandblasted |
| Condition | Annealed |
| Key Advantage | Higher strength, superior corrosion resistance in aggressive media |
Six critical material properties that make Grade 1 and Grade 2 titanium sheets the undisputed choice for renewable energy and hydrogen technology applications.
GR1/GR2 titanium forms a stable, self-repairing TiO₂ passive oxide layer that provides outstanding resistance to chloride solutions, acidic electrolytes, and oxidizing environments — critical for PEM electrolyzers and fuel cell stacks operating with aggressive ionic media.
In hydrogen fuel cell and electrolyzer environments, titanium exhibits minimal contact resistance and stable electrochemical behavior over thousands of operating hours, ensuring consistent energy conversion efficiency without material degradation.
At 4.51 g/cm³ — roughly 60% the density of stainless steel — titanium sheets deliver structural integrity with significantly reduced system weight, enabling more compact and lightweight renewable energy installations and mobile hydrogen power units.
Titanium maintains its mechanical properties and corrosion resistance across a broad temperature spectrum (-200°C to +300°C), making it suitable for both cryogenic hydrogen storage applications and high-temperature solar thermal energy systems.
GR1 titanium's high ductility (24% elongation) allows complex forming, deep drawing, and precision stamping for intricate fuel cell component geometries. Both grades offer excellent weldability using TIG/GTAW processes in inert gas environments.
Titanium components in renewable energy systems routinely achieve service lives exceeding 20–30 years with minimal maintenance, reducing lifecycle costs and environmental impact — perfectly aligned with the sustainability goals of the clean energy transition.
The global push toward net-zero emissions is driving unprecedented demand for titanium materials in green hydrogen and renewable energy applications.
The International Energy Agency (IEA) projects global green hydrogen production capacity to exceed 100 million tonnes annually by 2030. PEM electrolyzer deployments — the primary application for GR1/GR2 titanium bipolar plates — are growing at a CAGR exceeding 35%, creating enormous demand for high-quality titanium sheet materials.
Global solar PV capacity is expected to triple by 2030. Titanium's corrosion resistance in coastal and offshore environments makes it ideal for solar thermal collectors, offshore wind platform components, and marine energy converters, with titanium demand in the solar sector growing at 18% annually.
The hydrogen fuel cell vehicle (FCEV) market is projected to reach USD 42 billion by 2030. Titanium sheets are critical for fuel cell stack bipolar plates, hydrogen storage vessels, and heat exchanger components in automotive, bus, rail, and marine hydrogen propulsion systems.
A comprehensive breakdown of where and how GR1/GR2 titanium sheets deliver critical performance advantages across the clean energy value chain.
Proton Exchange Membrane (PEM) water electrolyzers — the technology driving industrial-scale green hydrogen production — rely on titanium bipolar plates and porous transport layers (PTLs) as core structural components. GR1 titanium's superior ductility enables precision stamping of flow-field geometries, while GR2 provides the structural rigidity needed for high-pressure stack assemblies (up to 80 bar). Titanium's passive oxide layer prevents corrosion from the highly acidic Nafion membrane environment, ensuring stack lifetimes exceeding 80,000 hours. Leading electrolyzer OEMs including Nel Hydrogen, ITM Power, and Cummins specify CP titanium sheets as standard materials for their commercial stack designs.
In hydrogen fuel cells — both PEM and solid oxide types — GR2 titanium sheets are machined or stamped into bipolar plates, end plates, and current collectors. Titanium's electrochemical inertness prevents contamination of the platinum catalyst layers, while its thermal conductivity facilitates efficient heat management within the cell stack. For automotive fuel cell applications (Toyota Mirai, Hyundai NEXO), titanium bipolar plates are replacing graphite composites due to their superior strength, thinner achievable profiles (down to 0.1 mm foil), and resistance to mechanical fatigue under dynamic load cycling. The result is higher power density and reduced system volume — critical metrics for vehicle integration.
Offshore wind platforms, tidal energy converters, and wave energy systems operate in some of the world's most corrosive environments — constant seawater immersion combined with mechanical stress and biofouling. GR2 titanium sheets are specified for subsea structural components, heat exchanger shells, and corrosion-resistant cladding on offshore wind tower foundations. Unlike stainless steel, titanium exhibits zero crevice corrosion in seawater at ambient temperatures, eliminating one of the primary failure modes in marine structures. This translates directly into reduced maintenance costs and extended asset lifetimes for offshore renewable energy operators.
Concentrated Solar Power (CSP) plants and industrial solar thermal systems use titanium heat exchanger tubes and collector plates to transfer thermal energy from solar receivers to working fluids. GR2 titanium's combination of high thermal stability, corrosion resistance to molten salt heat transfer fluids, and resistance to oxidation at elevated temperatures makes it the material of choice for next-generation CSP receivers. In flat-plate solar thermal collectors for building-integrated applications, GR1 titanium foil absorber plates offer excellent formability for manufacturing selective coating substrates, with corrosion lifetimes exceeding 25 years even in aggressive coastal climates.
High-pressure hydrogen storage vessels (Type III and Type IV composite cylinders) incorporate titanium liner materials for their combination of hydrogen embrittlement resistance, low permeability, and compatibility with high-purity hydrogen gas. GR2 titanium sheets are also used in hydrogen pipeline cladding, valve bodies, and manifold components where resistance to hydrogen-induced cracking (HIC) is essential. For liquid hydrogen (LH₂) applications at cryogenic temperatures (-253°C), GR1 titanium retains its ductility and toughness far better than most structural alloys, making it suitable for cryogenic storage tank internals and transfer equipment in liquefied hydrogen supply chains.
Vanadium redox flow batteries (VRFBs) — a leading technology for large-scale grid energy storage from renewable sources — use titanium current collectors and bipolar plates due to titanium's stability in the highly oxidizing vanadium pentoxide electrolyte environment. GR1/GR2 titanium sheets coated with conductive carbon or platinum group metal (PGM) coatings provide the combination of corrosion resistance and electrical conductivity required for long-duration energy storage applications. As grid-scale battery storage expands to support intermittent solar and wind generation, demand for titanium materials in flow battery systems is projected to grow significantly through 2030.
We have multiple titanium products for renewable energy, hydrogen, chemical, and industrial applications.
Founded in 2001, ProX Metal is a high-tech enterprise specialising in the development, production and servicing of pure and alloy titanium materials. As a leading manufacturer of raw titanium materials, we focus on providing cost-effective, stable, high-end titanium materials applied in chemical, oil and gas, marine, electronics, and renewable energy fields. We are ISO 9001:2015 certified and hold 14 national patents.
ProX Metal possesses a complete titanium metal production chain, equipped with over 100 advanced machines, achieving an annual output of 8,000 tons of pure titanium and alloy materials. We offer comprehensive solutions spanning from standard products to customized offerings, committed to delivering the highest quality service to our customers.
ProX Metal is certified to ISO 9001:2015, with its quality system and product lines undergoing regular certification audits. We have implemented a rigorous quality management system that meets the stringent excellence standards for titanium raw material production, ensuring products meet the highest safety and quality standards.
More than 20 years of experience in titanium production, since 2001.
Annual production of pure titanium and alloys to assist our customers.
Spot delivery inventory — perfect for small orders and frequently requested products.
15+ years of industry experience to assist with your custom titanium project.
Our titanium materials serve a diverse range of industries where corrosion resistance, high strength, and long-term reliability are essential.
In the chemical industry, titanium is widely used against highly corrosive media such as chlor-alkali and sulphuric acid. It ensures efficient and safe operation, prevents material leakage and guarantees product quality.
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Supplies high-strength, corrosion-resistant titanium materials for exploration, production and refining oil and gas operations worldwide.
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Corrosion resistance in seawater and brackish applications make titanium the material of choice in marine and offshore renewable energy applications.
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Titanium improves efficiency and extends the life of desalination equipment due to its corrosion resistance, high strength, light weight and good thermal conductivity.
View moreThey provided a prompt update on arranging the shipment. We are very grateful that they were able to solve the problem quickly after sales, and we are confident that we will continue our collaboration for a long time.
We've been working with this supplier for 10 years, and we can't speak highly enough of them. The quality of their titanium sheets and strips is always consistent, and they always meet our production needs.
Their logistics are super fast, so they can deliver on time even for big orders. This helps us avoid production delays, which is a huge help for our manufacturing schedule.
Their comprehensive inventory meets our diverse material grade requirements, making them highly accommodating for distributors like us. They provide an efficient and patient service for sample orders, and we look forward to expanding our collaboration with them in the future.
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Click for InquiryBeyond Grade 1 and Grade 2 titanium sheets, we supply a comprehensive portfolio of titanium foils, profiles, machined parts, and specialty alloys.
