Grade 12 Titanium Tube UNS R53400 Heat Exchanger Corrosion‑Resistant Tubing

Опубликовано Engineering Team, Shaanxi Qianyi Tuoda Technology Co., Ltd от 2026-10-25

1. Core Parameters

• Material: Grade12 Titanium (Ti‑0.3Mo‑0.8Ni), UNS R53400
• Product Forms: Titanium seamless & welded tube
• Surface Condition: Polished, pickled surface optional
• Processing: Custom diameter & length
• Target Industries: Chlor‑alkali plant, salt‑lake lithium, offshore heat exchange, chemical processing
• Lead‑time: Standard size stock 9‑16 working days; custom welded / seamless tube 24‑40 working days

2. Product Definition

Grade12 titanium tube is molybdenum‑nickel modified near‑pure titanium. Unlike Grade7 which uses palladium alloying, Grade12 adopts Mo‑Ni formula to boost anti‑corrosion capacity under hot chloride and wet chlorine environment, widely deployed for heat‑exchange tubular components.

• By manufacturing process: Seamless drawn titanium tube, welded & fully annealed titanium tube
• By structure usage: Heat‑exchanger small‑bore tube, process pipeline tube

3. Material Advantage: Material‑Medium‑Corrosion‑Cleanliness

Alloying elements molybdenum and nickel greatly improve performance in medium reducing corrosive media, without high palladium cost of Grade7.

• Hot chloride medium: Resist localized corrosion under elevated‑temperature brine, salt‑lake brine and wet chlorine gas, where Grade2 pure titanium may suffer crevice corrosion.
• Corrosion behaviour: Balanced performance between commercially pure titanium and Pd‑alloyed Grade7; cost‑effective alternative for many chemical heat‑exchange loops.
• Surface cleanliness: Oil and oxide eliminated by pickling or polishing; residual iron contamination strictly controlled to avoid early‑stage corrosion initiation inside tube bore.

4. Technical Standards

• Primary standards: ASTM B861 (seamless titanium tube), ASTM B338 (heat‑exchanger & condenser titanium tube)
• Reference specification: ASME SB338
• Domestic reference: GB/T 3624
• Documentation: EN10204 3.1 MTC; chemical composition & mechanical test report, batch traceability.

5. Full Manufacturing Workflow: From Drawing To Finished Goods

1. Raw stock inspection: Verify Grade12 titanium billet / strip chemical composition and surface quality.
2. For seamless tube: Piercing, multi‑pass cold drawing, intermediate heat treatment to achieve target dimension.
3. For welded tube: Titanium strip slitting, roll forming, tungsten‑inert‑gas welding, then full annealing to eliminate welding stress.
4. Pickling or internal‑external polishing treatment for bore and outer surface.
5. Air‑pressure leak test for every single tube to guarantee tightness for heat‑exchange service.
6. Dimension check, visual inspection, marking and export‑grade packaging.

6. Key Component Performance

• Welding performance: Good weldability; welded joints keep similar corrosion resistance after full post‑weld annealing treatment.
• Non‑destructive test: Eddy‑current test for tube body; air tightness leak test mandatory for heat‑exchanger tubing; UT test available for heavy wall pipe.
• Internal bore quality: Strict inspection for surface defect; tiny scratches are prohibited to prevent crevice corrosion starting point.

7. Application Industry — Medium‑Equipment‑Process

• Chlor‑alkali chemical industry
  • Medium: Wet chlorine, hot brine
  • Equipment & parts: Heat exchanger tube, cooling loop piping
  • Process: Tube bundle assembly, tube‑sheet welding, long‑term continuous running
• Salt‑lake lithium extraction industry
  • Medium: High‑temperature salt‑lake brine rich in chloride ion
  • Equipment & parts: Evaporator cooling tube, pre‑heat exchange tubing
  • Process: Bundle assembling, on‑site installation
• Offshore & marine chemical field
  • Medium: Hot seawater, concentrated salt spray
  • Equipment & parts: Off‑platform auxiliary cooling tubing
  • Process: Pressure test before site delivery

8. Selection Reference Table

Selection Type	Scenario	Suggested Option
Process‑based selection	High‑pressure heat‑exchanger working loop	Cold‑drawn seamless Grade12 tube
Process‑based selection	Large‑diameter low‑pressure circulating pipeline	Fully‑annealed welded Grade12 tube
Structure‑based selection	Heat‑exchanger bundle assembly	Small‑bore polished tube
Structure‑based selection	Site process piping layout	Pickled finish process tube

9. Customizable Items & Accessories

• Custom service: Non‑standard diameter, special wall thickness, fixed cutting‑to‑length per project drawing.
• Surface options: Pickled surface, internal‑external polished finish.
• Auxiliary service: Tube cutting, batch marking, bundle packaging for heat‑exchanger assembly factory.

10. Lead‑Time, Test Report & Warranty

• Standard stocked sizes: 9‑16 working‑days after order confirmation.
• Custom seamless / welded production: 24‑40 working‑days subject to dimension complexity.
• Delivery documents: Mill Test Certificate, eddy‑current test report, air‑tightness test record, batch traceability.
• Quality warranty: Material complies with ASTM B861 / ASTM B338; accept quality claim within receiving inspection period.

Why Choose SXQYTD

SXQYTD supplies Grade12 seamless and welded titanium tube for chemical heat‑exchanger projects. Our titanium tubing exports to USA, Europe, Southeast Asia and Middle East chemical plants. Send your specification or drawing for quotation.

Website: www.sxqytd.com

Contact us for your titanium project inquiry.