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Titanium Grade 12 Manufacturer and Supplier in India

HOMETitanium Alloy → Titanium Grade 12

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Titanium Grade 12, UNS R53400 and W.Nr. 3.7105, is a low alloy grade of titanium which contains about 0.3% molybdenum and 0.8% nickel. They enhance its crevice corrosion resistance in hot chloride brines and mild reducing acid mediums, yet are still weldable. Grade 12 has a design allowable tensile strength of around 50% greater than Grade 2 commercially pure Titanium up to 300°C. This corrosion resistance, strength and weldability make it ideal for applications in piping and process equipment that demand performance in harsh environments. Sachin Steel is a reputed manufacturer and supplier of high-quality Grade 12 titanium of high quality in India for industrial use.

Technical Data

Specifications of Titanium Grade 12

Specification Parameter

Technical Details / Scope

Material Grade

Titanium Grade 12 (Ti-0.3Mo-0.8Ni)

UNS Designation

UNS R53400

Werkstoff Number

W.Nr. 3.7105

Applicable Standards

ASTM B265 (Sheet, Strip, Plate), ASTM B348 (Bar, Billet), ASTM B381 (Forgings), ASTM B338 / B861 / B862 (Pipes & Tubes), ASTM B363 (Fittings)

Available Product Forms

Sheets, Plates, Round Bars, Hex Bars, Forged Rings, Seamless & Welded Pipes/Tubes, Pipe Fittings, Fasteners

Thickness / Diameter Range

Plates/Sheets: 0.5 mm to 100 mm


Round Bars: 6 mm to 350 mm Diameter


Pipes/Tubes: 1/8" NB to 24" NB

Surface Finish

Mill Finish, Polished, Pickled, Centerless Ground, Bright Annealed

Length & Customization

Standard 1 m to 6 m lengths, Custom Cut-to-Size, Block, Ring & Discs on Request

Chemical Composition Table (ASTM B265 / B348 Grade 12)

Element

Titanium (Ti)

Molybdenum (Mo)

Nickel (Ni)

Iron (Fe)

Carbon (C)

Nitrogen (N)

Hydrogen (H)

Oxygen (O)

Composition (wt %)

Balance

0.20 – 0.40

0.60 – 0.90

0.30 max

0.08 max

0.03 max

0.015 max

0.25 max

Mechanical Properties of Titanium Grade 12

Property

Tensile Strength

Yield Strength (0.2% Offset)

Elongation (in 50 mm)

Hardness (Brinell)

Modulus of Elasticity

Minimum Value

483 MPa (70 ksi)

345 MPa (50 ksi)

18 %

170 HB max

105 GPa (15,200 ksi)

Titanium Grade 12 Physical Properties

Property

Density

Melting Point

Thermal Conductivity

Electrical Resistivity

Specific Heat Capacity

Beta Transus

Value

4.51 g/cm³ (0.163 lb/in³)

1660°C – 1700°C (3020°F – 3090°F)

22.6 W/m·K

0.52 µΩ·m

~480 J/kg·K

~890°C (1634°F)

Equivalent Grades of Titanium Grade 12 Pipes and Tubes

Category

ASTM / ASME Grade

UNS Number

Werkstoff Number (DIN)

Common / Trade Name

Sheet, Strip & Plate Standard

Bar & Billet Standard

Forgings Standard

Pipe & Tube Standards

Fittings Standard

Specification

Titanium Grade 12

UNS R53400

W.Nr. 3.7105

Ti-0.3Mo-0.8Ni

ASTM B265 / ASME SB265

ASTM B348 / ASME SB348

ASTM B381 / ASME SB381

ASTM B338 / ASTM B861 / ASTM B862

ASTM B363 / ASME SB363

Types of Titanium Grade 12

finished parts

Finished Parts

fittings

Fittings

forged cast parts

Forged Cast Parts

sheets & plates

Plates & Sheets

Tubes _ pipes

Pipes & Tubes

Applicational and Industrial Uses of Titanium Grade 12

  • Chemical Processing Equipment
  • Heat Exchangers
  • Process Piping Systems
  • Chloride Brine Systems
  • Desalination Equipment
  • Marine Equipment
  • Oil & Gas Equipment
  • Petrochemical Processing
Application Industries

Frequently Asked Questions

Titanium Grade 12 is a low-alloy titanium grade containing approximately 0.3% molybdenum and 0.8% nickel, offering improved corrosion resistance and strength. It is identified as UNS R53400.

Titanium Grade 12 contains molybdenum and nickel, giving it higher strength and better resistance to crevice corrosion than commercially pure Grade 2 titanium.

Yes, Titanium Grade 12 provides excellent corrosion and crevice corrosion resistance, particularly in hot chloride brines and mildly reducing acid environments.

Yes, Titanium Grade 12 can be used in elevated-temperature applications up to approximately 300°C, depending on service conditions and design requirements.

Yes, Titanium Grade 12 has good weldability and can be welded using suitable procedures and controls to prevent contamination.

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