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PSX | Baoji Pengshengxin Non-Ferrous Metal Co., Ltd.Published by PSX Titanium Manufacturer | For Procurement Managers in Petrochemical, Offshore, OEM & Global Distribution
High Grade Gr4 Titanium Sheet — ASTM B265 Certified Industrial Plate from PSX
For industrial procurement managers, short component service life caused by corrosion, high mechanical load and environmental erosion leads to frequent equipment replacement, unplanned downtime and inflated overall operating costs. Carbon steel and stainless steel quickly degrade in chloride-rich seawater, acidic chemical media and high-pressure working conditions. Today, Gr4 Titanium Sheet solves this core pain point: it delivers the highest tensile strength among commercially pure titanium grades while maintaining excellent anti-corrosion performance, drastically boosting long-term product durability. PSX high-grade Gr4 titanium sheet extends equipment service life and cuts life-cycle costs for chemical, offshore, pressure vessel and mechanical manufacturing projects.
Industrial high-purity Gr4 titanium sheet (Grade 4 / UNS R50700 / DIN 3.7065, domestic TA4 grade) is the highest-strength pure Titanium Material within the commercially pure titanium series. PSX produces this plate strictly under ASTM B265 standards, adopting vacuum melting plus precision hot rolling and cold rolling production workflows. We strictly control interstitial elements including oxygen, iron and hydrogen to eliminate hydrogen embrittlement risk and ensure stable batch-to-batch consistency.
Compared with Gr1 and Gr2 pure titanium sheets, Gr4 delivers far higher tensile and yield strength while retaining titanium’s core advantages: acid & alkali resistance, seawater corrosion resistance, lightweight performance, good weldability and formability. It is the preferred titanium base material for high-load, high-corrosion industrial manufacturing across chemical, marine, environmental protection, pressure vessel and mechanical structural industries.
We provide full customization: custom sizing, surface finishing, laser cutting and slitting, plus free sample testing. Every batch comes with a formal Material Test Certificate (MTC), and we support third-party SGS inspection reports for export orders. We maintain long-term stable supply for factory manufacturers, OEM/ODM producers, distributors and global agents.
We tightly limit oxygen, iron and hydrogen content in raw materials. Ultra-low hydrogen content completely removes the risk of hydrogen embrittlement under high-pressure and long-term service, ensuring components stay intact even after years of continuous operation. This stability directly improves long-term product durability.
Reactor linings, heat exchanger plates, distillation columns and acid-alkali transport equipment. Gr4 titanium sheet prevents corrosion from strong acid and chloride media, extending the service life of chemical equipment by multiple years.
Seawater coolers, subsea valve bodies and marine structural components. Constant seawater and chloride exposure rapidly destroys steel parts, yet Gr4 titanium sheet maintains stable performance for decades in coastal and subsea environments.
High-pressure anti-corrosion vessel linings and geothermal equipment. High stress plus corrosive oil and gas media create strict durability requirements; Gr4’s high strength and corrosion resistance prevent pressure vessel cracking and leakage.
Flue gas desulfurization equipment, waste liquid treatment tanks and electroplating production lines. Acidic waste liquid and corrosive flue gas wear down ordinary metal equipment; Gr4 titanium sheet keeps production equipment running reliably with minimal maintenance.
High-load corrosion-resistant tooling and custom Titanium CNC Machining structural blanks. High mechanical stress plus corrosive workshop atmosphere demands long-lasting raw material to reduce OEM product failure rates.
Important Note: PSX industrial-grade Gr4 titanium sheet follows ASTM B265 strictly for industrial equipment only. Medical implant-grade Gr4 titanium must comply with ASTM F67 with high-purity cleanroom production; industrial grade cannot be used directly for human implantation.
PSX Material Selection Tip: Choose Gr2 titanium sheet for moderately corrosive low-load projects to control upfront costs; prioritize Gr4 Titanium Sheet for high-stress, pressurized and long-lifespan equipment where durability is the top priority.
Global industrial manufacturing is shifting toward longer equipment service life and lower total ownership cost. Titanium sheet manufacturers are continuously upgrading production processes to enhance long-term durability. Modern production lines now implement tighter control over interstitial impurities (oxygen, hydrogen, iron) to guarantee consistent mechanical strength across every production batch, avoiding strength fluctuations that shorten component life. Digital batch traceability has become standard practice for international buyers; every plate can be traced back to raw ingot heat numbers and full inspection records. In addition, precision surface treatment technology further stabilizes the passive oxide film, improving anti-pitting performance in chloride-rich marine environments. PSX has kept up with these trends by upgrading hot & cold rolling equipment, building full digital quality tracking systems, and providing integrated cutting and blanking services. Our finished Gr4 titanium sheet delivers more stable long-term durability for global OEM manufacturers and engineering contractors.
Western procurement managers focus on five core factors when purchasing Gr4 titanium sheet to guarantee end-product durability. First, strict ASTM B265 compliance with full chemical and mechanical test data; complete MTC documents are mandatory to pass third-party project audits. Second, consistent mechanical performance batch after batch; uneven tensile strength will lead to random structural failure in high-pressure equipment. Third, tight impurity control, especially low hydrogen content, to eliminate hydrogen embrittlement risk for long-running pressure vessels. Fourth, full batch inspection including optional ultrasonic flaw detection to rule out internal plate defects that reduce service life. Fifth, flexible custom processing including surface finishing and drawing-based blanking; poorly finished surfaces will break down the passivation layer and accelerate corrosion. PSX fully addresses all five requirements with standardized production, full batch testing, export-ready English certification and flexible custom fabrication, making us a reliable long-term supplier focused on long-term component durability.
Current titanium material R&D is mainly focused on optimizing the durability of high-strength pure titanium sheet under extreme working conditions. New rolling process adjustments improve plate flatness and reduce surface micro-cracks, which are the starting points of pitting corrosion. Advanced surface passivation treatment technology stabilizes the oxide film, extending service life in marine chloride environments by nearly 30% compared with untreated plates. Non-destructive ultrasonic inspection is now widely applied to detect internal voids and inclusions before shipment, removing hidden durability risks. PSX’s technical team includes more than 10 professional engineers and over 8 PhD-level specialists. We continuously optimize hot and cold rolling parameters to stabilize Gr4’s high tensile strength and minimize impurity fluctuations. We also develop matched Titanium Forging and Titanium Flange supporting parts to ensure the whole equipment assembly maintains consistent durability without weak joints.
ASTM B265 is the core international standard governing Gr4 titanium sheet for industrial manufacturing. This standard strictly defines chemical composition limits, tensile/yield mechanical indicators, impurity control thresholds, surface quality and batch inspection procedures, all designed to guarantee long-term material durability. All PSX Gr4 titanium sheets are fully produced and tested following ASTM B265. If buyers need medical-grade titanium materials, the material must follow ASTM F67 with extra high-purity control and cleanroom production, fully separated from our industrial-grade production line. Before bulk orders, procurement managers should confirm these technical clauses to secure product durability: material grade & standard, impurity limits, mechanical testing scope, surface finish, ultrasonic flaw detection options, and complete MTC documentation for project acceptance.
Founded in 2008, PSX (Baoji Pengshengxin Non-Ferrous Metal Co., Ltd.) is located in Baoji High-Tech Development Zone, known globally as China’s Titanium Valley. Our factory covers more than 5,000 square meters, equipped with complete vacuum melting furnaces, hot rolling mills, cold rolling lines, CNC cutting machines, shearing equipment and precision testing instruments. We achieve full closed-loop production from Titanium Ingot raw material to finished Gr4 titanium sheet and custom blanks, ensuring consistent material quality and stable long-term durability for bulk industrial orders.
PSX Production Workshop
PSX Manufacturing Equipment
Our technical team includes more than 10 professional material engineers and over 8 PhD-level technical specialists, focusing on titanium process optimization, impurity control and precision forming to improve material durability. We continuously upgrade rolling processes to stabilize the mechanical strength of Gr4 titanium sheet and develop custom Titanium Shaped Parts for OEM manufacturing. We hold ISO9001 and GJB9001C-2017 quality system certifications, with strict full-batch quality control covering spectral analysis, tensile testing and non-destructive inspection to eliminate durability defects before delivery.
PSX Honor Certificate
PSX Quality Certificate
A1: Gr2 is a cost-effective general grade for low-load, moderately corrosive environments with medium durability requirements. Gr4 titanium sheet is the strongest pure titanium grade, delivering far better structural durability under high stress and pressurized conditions. If you need long service life for pressure vessels and heavy-load equipment, Gr4 is the better choice despite higher upfront material cost.
A2: No. Our Gr4 titanium sheet is industrial grade following ASTM B265, designed for equipment durability only. Medical implant-grade Gr4 titanium must meet ASTM F67 standards with strict high-purity control and cleanroom production. The two grades cannot be interchanged; please submit separate technical requirements for medical-grade materials.
A3: No. With full argon inert gas shielding during welding, the weld area will regrow a dense passive oxide film. Corrosion resistance and mechanical strength remain consistent with the base plate, so weld joints will not become weak points that shorten component service life.
A4: Yes. We offer small sample cutting and global shipping for pre-production durability testing. Every bulk shipment comes with original English MTC material certificates, and we fully support SGS third-party re-inspection to verify mechanical strength and impurity content before mass production.
A5: Absolutely. We provide full cutting, slitting, blanking and forming services strictly according to engineering drawings. Prefabricated blanks reduce on-site machining work and prevent surface scratches that damage the anti-corrosion layer and reduce long-term durability.
PSX provides a full-series titanium product portfolio to support integrated material procurement for long-lifespan industrial equipment. Check our product pages below:
Gr4 titanium sheet is the ideal material solution to improve industrial product durability. It combines the highest tensile strength among commercially pure titanium grades, full-spectrum anti-corrosion performance, low hydrogen embrittlement risk and stable weldability, effectively eliminating two major causes of early equipment failure: structural deformation and environmental corrosion. For high-pressure pressure vessels, offshore marine equipment, chemical reactors and environmental protection machinery, PSX high-grade Gr4 titanium sheet drastically extends service life and lowers total maintenance costs over decades of operation.
As an ISO9001 & GJB9001C certified titanium manufacturer with more than 15 years of export experience, PSX delivers consistent material quality, complete certification documents, flexible custom processing and on-time delivery for global procurement managers, OEM manufacturers and distributors. Send us your engineering drawing and working condition parameters today, and our technical team will provide professional grade selection and competitive CIF/FOB quotation focused on long-term component durability.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.