ASTM B265 High Strength Cold Aerospace Grade Rolled Titanium Sheet

ASTM B265 is the globally recognized standard for titanium and titanium alloy sheet, plate, and strip. It specifies chemical composition, mechanical properties, dimensional tolerances, and surface quality for commercially pure titanium and alloy grades in the annealed condition. For demanding environments like seawater desalination heat exchangers,Aerospace and chemical plants, ASTM B265 is the benchmark for material selection and quality assurance.

ASTM B265 Cold Rolled Titanium Sheet is available in a range of grades – including commercially pure (Grade 1, 2, 7, 12) and aerospace‑grade alloys (Grade 5 / Ti‑6Al‑4V). Its density is approximately 4.51 g/cm³, with a melting point of 1668°C and a boiling point of 3535°C. These properties translate into a unique combination of low weight, high strength, excellent corrosion resistance, high specific strength, and good thermal stability, along with non‑magnetic characteristics. As a result, titanium sheets are widely employed in industries such as chemical processing, medical devices, electronics manufacturing, mechanical components, automotive engineering, and aerospace structures.

Standard: ASTM B265 / ASME SB-265

ASTM B265 (identical to ASME SB‑265) is the standard specification for titanium and titanium alloy strip, sheet, and plate. It establishes comprehensive requirements for manufacturing processes, chemical composition, mechanical properties, dimensional tolerances, and certification.

Important Distinction: Sheet vs. Plate (per ASTM B265)

Note: For seawater desalination heat exchangers, Grade 2 sheet is the most commonly used form, offering an ideal balance of corrosion resistance, formability, and cost‑effectiveness.

ASTM B265 cold rolled titanium sheet is produced through a precision-engineered process that begins with high-purity titanium sponge, melted in a vacuum arc remelting (VAR) furnace to produce homogeneous ingots with tightly controlled chemistry. The ingots are then forged and hot rolled at elevated temperatures into coils, which serve as the feedstock for cold rolling. Through multiple cold rolling passes at room temperature – interspersed with intermediate annealing in vacuum or inert gas atmospheres to relieve work hardening and refine grain structure – the material is progressively reduced to final thicknesses ranging from 0.3mm to 5mm. A final anneal ensures optimal mechanical properties and a uniform, equiaxed microstructure, while subsequent finishing operations – including leveling, pickling, and slitting or shearing – deliver the precise dimensions, smooth surface finish, and tight tolerances required by ASTM B265. Strict quality controls at every stage, from chemical analysis to mechanical testing, guarantee that each sheet meets the rigorous performance demands of aerospace, desalination, and chemical processing applications.

High strength-to-weight ratio – With a density of just 4.51 g/cm³, it delivers steel-equivalent strength at approximately 60% of the weight, making it ideal for lightweight structural applications.

Exceptional corrosion resistance – Its naturally forming titanium dioxide (TiO₂) passive film ensures immunity to chloride-induced pitting, crevice corrosion, and stress corrosion cracking in seawater, brine, and aggressive chemical environments.

Superior surface quality and precision – Cold rolling produces sheets with tighter dimensional tolerances, smoother surface finishes, and enhanced mechanical properties compared to hot-rolled alternatives.

Application-specific performance – Provides the precision and consistency critical for heat exchanger plates, aircraft skins, chemical equipment, and marine components.

Broad grade selection – Available in multiple grades to suit diverse requirements:

• Grade 1 & 2 – Commercially pure, offering excellent formability and general corrosion resistance
• Grade 5 (Ti-6Al-4V) – High-strength aerospace grade for structural applications
• Grade 7 & 12 – Enhanced corrosion resistance for elevated-temperature and aggressive chemical service

Proven long-term reliability – Documented service lives exceeding 30 years in critical applications such as seawater desalination, aerospace, and chemical processing.

Difference Between ASTM B265 And other titanium standards (e.g., AMS, ISO)

ASTM B265 cold rolled titanium sheet is a versatile, high-performance material that delivers unmatched reliability across a vast spectrum of critical industries, from the depths of the ocean to the human body and the edge of space.The choice of grade tailors the material's properties to the application. The table below highlights some key grades and their typical uses:

Luoyang Hongsheng Trading Co., Ltd is a technology-driven industrial and commercial enterprise specializing in the development, manufacturing, and supply of high-performance titanium and titanium alloy products. Headquartered in Luoyang, Henan Province – the heart of China's titanium industrial cluster – we are strategically positioned to leverage the region's rich resources, advanced manufacturing infrastructure, and deep technical expertise.

Since our establishment in 2017, we have grown from a trading company into an innovative technology enterprise, committed to delivering premium titanium solutions for the most demanding industrial applications. Our brand, HSMetal, was officially launched in 2018 and has since earned recognition from customers across the globe.

What sets HSMetal apart is our deep commitment to technological excellence. In 2022, we established a strategic technical cooperation with Luoyang 725 Institute – a subsidiary of China State Shipbuilding Corporation (CSSC) and one of China's most prestigious research institutions in marine materials and titanium alloys. By 2023, our technical team had collaborated with Luoyang 725 Institute to establish a dedicated research and development team, marking the company's successful transition from a trade-focused operation to a technology-driven enterprise.

This partnership gives us direct access to cutting-edge metallurgical research, advanced material characterization capabilities, and decades of accumulated expertise in titanium alloy applications for marine and offshore environments. The result is a product portfolio that meets the most stringent international standards, including ASTM B861, ASTM B338, and ASME SB338.

Production And Testing Equipments

Rolling Mill

Aging Treatment Equipment

Solution Annealing Furnace

German Spike Spectral Analyzer

Electron Microscope

Magnetic Property Detector

Q1: What is the main standard for cold rolled titanium sheet?

A:ASTM B265 (identical to ASME SB-265) is the standard specification for titanium and titanium alloy strip, sheet, and plate. This is the primary standard you should specify when ordering cold rolled titanium sheet.

Q2: What is ASTM B265?

A:ASTM B265 is a standard specification for titanium and titanium alloy strip, sheet, and plate, issued by ASTM International. It establishes requirements for chemical composition, mechanical properties, dimensional tolerances, and surface quality for annealed titanium products. It is one of the most widely used and fundamental technical specifications in the global titanium industry, covering applications across aerospace, chemical processing, medical devices, marine engineering, and many other fields.

Q3: What is the relationship between ASTM B265 and ASME SB‑265?

A:ASTM B265 and ASME SB‑265 are technically identical. ASME SB‑265 is the Boiler and Pressure Vessel Code version adopted by the American Society of Mechanical Engineers (ASME) based on ASTM B265. The requirements for chemical composition, mechanical properties, and dimensional tolerances are the same in both standards. ASME SB‑265 is typically referenced for pressure vessel and boiler applications, while ASTM B265 is more commonly cited in other industrial sectors.

Q4: What is Grade 5 (Ti‑6Al‑4V) and why is it so important?

A:Grade 5 (Ti‑6Al‑4V) is the most widely used titanium alloy globally, consisting of approximately 90% titanium, 6% aluminium, and 4% vanadium. Its ultimate tensile strength reaches about 900–1,100 MPa, far exceeding that of commercially pure titanium. With its excellent strength‑to‑weight ratio, it is extensively used in aircraft structural components, engine parts, medical implants, and other high‑end applications.

Q5: What are H‑grade variants (e.g., Grade 2H)?

A:H‑grade variants have the same chemical composition as their corresponding numeric grades but require higher minimum ultimate tensile strength (UTS) – for example, Grade 2H requires UTS ≥400 MPa (58 ksi). When an application demands greater strength assurance without changing the chemistry, H‑grade grades can be specified.

Q6:Why is annealing necessary after cold rolling?

A:During cold rolling, titanium undergoes work hardening – its strength increases but ductility decreases. Without annealing, continued rolling would cause cracking. Intermediate annealing (under vacuum or inert gas) relieves work hardening, restores ductility, and refines grain structure, enabling further cold deformation. Final annealing gives the material optimal mechanical properties and a stable microstructure after the last pass.

Q7: What are the advantages of titanium sheet in the medical field?

Grades 5 and 23 (ELI – Extra Low Interstitial) are widely used in medical applications due to their excellent biocompatibility. The ELI version offers higher purity and toughness, specifically designed for human implants – bone screws, plates, artificial joints, etc. Titanium implants are not rejected by the body, do not release toxic metal ions, and provide sufficient strength to support human skeletal structures.

Q8: What are the advantages of titanium sheet in chemical processing?

Titanium exhibits outstanding corrosion resistance in most corrosive media, including nitric acid, hydrochloric acid, sulphuric acid, and sodium hydroxide. For strong acid and alkali environments, Grade 7 (palladium‑containing) provides a near‑"lifesaving" corrosion solution. This makes titanium ideal for reactors, pressure vessels, heat exchangers, and piping systems.

Q9: What are the thickness tolerances?

Under ASTM B265, for example, a 3.18 mm (0.125") thick sheet with width <1219 mm (48") has a standard thickness tolerance of typically ±0.15 mm (±0.006"). Precision cold‑rolled products can achieve even tighter tolerances.

Q10:What information should i confirm you when i send inquiry?

A:Sometimes we need product specification like material standard or Grade, size, Qty, shipping port, Terms like FOB or CIF etc.

Q11: How long of the delivery time(Lead time)?

A: Usually, the shipment can be delivery within 15-30days after the order confirmed.

Q12: How about the payment items?

A: LC, T/T, PayPal, Western Union etc.

Q13: Which country have you exported to?

A: Our main market is South America, Middle East, Africa and Europe. And have built long time relationship with Pakistan, US, Norway, Germany, Korea, Russia,Taiwan customers.And got continue orders from them every month.

Q14: How about the MOQ?

A: Normally MOQ is 200kg, We always expect more opportunities with you. But for some special material or special size let's communicate the actual status.

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