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Titanium
Ti Grade 4 / 3.7065
Titanium Grade 4/3.7065

Commercial pure Titanium grade 4/3.7065 is unalloyed titanium with the highest strength and the highest allowable iron and oxygen content. It combines excellent corrosion resistance, corrosion fatigue with good formability and weldability. Generally widely used in a variety of chemical process equipment as well as marine and airframe applications for its corrosion resistance.

Material Data Sheet
EN DIN ASTM UNS BS
Titan Grade 4 3.7065 Ti-Grade 4 R50700 2TA4
Chemical Composition
Fe% C% O% H% N% Ti%
Max 0.5 Max 0.1 Max 0.4 Max 0.015 Max 0.05 rest
Physical Characteristics
FORM VALUE FORM VALUE
Density 4.51 g/cm3 CTE, linear 20°C 0~100℃ 8.6 μm/m-℃
Tensile Strength,Ultimate 550 MPa CTE, linear 250°C 0~315℃ 9.2 μm/m-℃
Tensile Strength, Yield 480~520 MPa CTE, linear 500°C 0~540℃ 9.7 μm/m-℃
Modulus of Elasticity 105 GPa Thermal Conductivity 17.2 W/m-K
Compressive Modulus 110 GPa Melting Point Max 1660 ℃
Shear Modulus 40 GPa Specific Heat Capacity 0.53 J/g-℃
Elongation at Break 15% Poisson's Ratio 0.37
Hardness, Brinell 265
Hardness, Knoop 215
Hardness, Rockwell B 100
Applications

Jet engine components, Aerospace fasteners, Marine and chemical processing and desalinization plants, Corrosive waste disposal wells, Pulp and paper production

Scope of supply
FORM RANGE(mm) STANDARD
Bars/Billets Dia. 2 - 400

ASTM AMS ASME MIL JIS BS

ASTM B348 F136 F67 AMS4928

Sheets/Plates

0.3≤Thickness<4  W 400-1200  L 1000-3000

4≤Thickness<200  W 400-2500  L 1000-6000

ASTM AMS ASME MIL JIS BS

ASTM B265 F136 F67 AMS4928

Tubes/Pipes

Outer diameter:3-114  Thickness:0.2-9(Seamless tubes & pipes)

Outer diameter:20-600  Thickness:0.5-25(Welded pipes)

ASTM AMS ASME MIL JIS BS

ASTM B337 B338 B861

Other

Flanges, Forgings, Pipe/tube fittings, Elbows, Reducers, Bolts/Screws, Nuts, Washers, Irregular parts

ASTM AMS ASME MIL JIS BS

The scope of supply differs a little depending on the material quality. Please contact us for the product details and the other sizes.

We can customize any sizes according to your requirement.

Material Service

Laser cutting, Plasma cutting, Sawing, Waterjet cutting, Shearing, Chamfering, Marking

Terms of delivery

FOB/CFR/CIF/DDU/DDP

Transportation

Sea transportation, Land transportation, Railway transportation, Air transportation

Corrosion Characteristics
Material Medium Concentration % Temperature °F(°C) Corrosion Rate mpy (mm/y)
Unalloyed Titanium Wet Chlorine >0.7%H2O Room Nil
Unalloyed Titanium Wet Chlorine >0.95%H2O 284(140) Nil
Unalloyed Titanium Wet Chlorine >1.5%H2O 392(200) Nil
Unalloyed Titanium Wet Chlorine >0.7%H2O 50-190(10-88) Nil-0.02(0.001)
Unalloyed Titanium Water Saturated, Chlorine Cell Gas Water Saturated 190(88) 0.065(0.002)
Unalloyed Titanium Dry Chlorine 86(30) Rapid Attack, Ignition
Unalloyed Titanium Aluminum chloride 5-10 140(60) 0.12(0.003)
Unalloyed Titanium Aluminum chloride 10 212(100) 0.09(0.002)
Unalloyed Titanium Aluminum chloride 10 302(150) 1.3(0.033)
Unalloyed Titanium Aluminum chloride 20 300(149) 630(16)
Unalloyed Titanium Aluminum chloride 25 68(20) 0.04(0.001)
Unalloyed Titanium Aluminum chloride 25 212(100) 258(6.55)
Unalloyed Titanium Aluminum chloride 40 250(121) 4300(109.2)
Unalloyed Titanium Ammonium chloride All 68-212(20-100) <0.5(<0.013)
Unalloyed Titanium Barium chloride 5-25 212(100) <0.01(<0.000)
Unalloyed Titanium Calcium chloride 5 212(100) 0.02(0.001)
Unalloyed Titanium Calcium chloride 10 212(100) 0.3(0.008)
Unalloyed Titanium Calcium chloride 20 212(100) 0.6(0.015)
Unalloyed Titanium Calcium chloride 55 220(104) 0.02(0.001)
Unalloyed Titanium Calcium chloride 60 300(149) <0.01(<0.000)
Unalloyed Titanium Calcium chloride 62 310(154) 2-16(0.051-0.406)
Unalloyed Titanium Calcium chloride 73 350(177) 84(2.13)
Unalloyed Titanium Cupric chloride 1-20 212(100) <0.5(<0.013)
Unalloyed Titanium Cupric chloride 40 Boiling 0.2(0.005)
Unalloyed Titanium Cuprous chloride 50 194(90) <0.1(<0.003)
Unalloyed Titanium Ferric chloride 1-20 70(21) Nil
Unalloyed Titanium Ferric chloride 1-40 Boiling <0.5( <0.013)
Unalloyed Titanium Ferric chloride 50 Boiling 0.16(0.004)
Unalloyed Titanium Ferric chloride 50 302(150) <0.7(<0.018)
Unalloyed Titanium Lithium chloride 50 300(149) Nil
Unalloyed Titanium Magnesium chloride 5 212(100) 0.03(0.001)
Unalloyed Titanium Magnesium chloride 20 212(100) 0.4(0.010)
Unalloyed Titanium Magnesium chloride 50 390(199) 0.2(0.005)
Unalloyed Titanium Manganous chloride 5-20 212(100) Nil
Unalloyed Titanium Mercuric chloride 1 212(100) 0.01(0.000)
Unalloyed Titanium Mercuric chloride 5 212(100) 0.42(0.011)
Unalloyed Titanium Mercuric chloride 10 212(100) 0.04(0.001)
Unalloyed Titanium Mercuric chloride 55 215(102) Nil
Unalloyed Titanium Nickel chloride 5-20 212(100) 0.14(0.004)
Unalloyed Titanium Potassium chloride Saturated 70(21) Nil
Unalloyed Titanium Potassium chloride Saturated 140(60) <0.01(<0.000)
Unalloyed Titanium Stannic chloride 5 212(100) 0.12(0.003)
Unalloyed Titanium Stannous chloride Saturated 70(21) Nil
Unalloyed Titanium Sodium chloride 3 Boiling 0.01(0.000)
Unalloyed Titanium Sodium chloride 20 165(74) 0.01(0.000)
Unalloyed Titanium Sodium chloride 29 230(110) 0.01(0.0003)
Unalloyed Titanium Sodium chloride Saturated 70(21) Nil
Unalloyed Titanium Sodium chloride Saturated Boiling Nil
Unalloyed Titanium Zinc chloride 20 220(104) Nil
Unalloyed Titanium Zinc chloride 50 302(150) Nil
Unalloyed Titanium Zinc chloride 75 392(200) 24(0.610)
Unalloyed Titanium Zinc chloride 80 392(200) 8000(203.2)
Unalloyed Titanium Nitric acid 90 240(116) 1.1-6.6(0.03-0.17)
Unalloyed Titanium Nitric acid 90 275(135) 1.6-6.1(0.04-0.15)
Unalloyed Titanium Nitric acid 90 310(154) 1.0-2.3(0.03-0.06)
Titanium should not be used with red fuming nitric acid,  because a pyrophoric reaction product can be produced resulting in serious accidents.
Unalloyed Titanium Chromic acid 20 70(21) 4.0 Max(0.102 Max)
Unalloyed Titanium Chromic acid 10 Boiling Nil
Unalloyed Titanium Chromic acid 10 Boiling <5.0(<0127)
Unalloyed Titanium Chromic acid 20 Room Nil
Unalloyed Titanium Hydrochloric acid 1 Room Nil
Unalloyed Titanium Hydrochloric acid 2 Room Nil
Unalloyed Titanium Hydrochloric acid 3 Room 0.5(0.013)
Unalloyed Titanium Hydrochloric acid 5 Room 0.2(0.005)
Unalloyed Titanium Hydrochloric acid 8 Room 0.2(0.005)
Unalloyed Titanium Hydrochloric acid 1 Boiling 85(2.16)
Unalloyed Titanium Hydrochloric acid 2 Boiling 280(7.11)
Unalloyed Titanium Hydrochloric acid 3 Boiling 550(14.0)
Unalloyed Titanium Hydrochloric acid 5 Boiling 840(21.3)
Unalloyed Titanium Hydrochloric acid 8 Boiling >2000(>50.8)
Unalloyed Titanium NaOH 5-10 70(21) 0.04(0.001)
Unalloyed Titanium NaOH 40 150(66) 1.5(0.038)
Unalloyed Titanium NaOH 40 200(93) 2.5(0.064)
Unalloyed Titanium NaOH 40 250(121) 5.0(0.127)
Unalloyed Titanium NaOH 50 100(38) 0.06(0.002)
Unalloyed Titanium NaOH 50 150(66) 0.7(0.018)
Unalloyed Titanium NaOH 50 250(121) 1.3(0.033)
Unalloyed Titanium NaOH 50-73 370(188) >43(>1.09)
Unalloyed Titanium NaOH 73 230(110) 2.0(0.051)
Unalloyed Titanium NaOH 73 240(116) 5.0(0.127)
Unalloyed Titanium NaOH 73 265(129) 7.0(0.178)
Unalloyed Titanium NaOH 75 250(121) 1.3(0.033)
Unalloyed Titanium KOH 10 217(103) 5.1(0.13)
Unalloyed Titanium KOH 10 226(108) 11.8(0.30)
Unalloyed Titanium Acetic anhydride 99-99.5 68-Boiling (20-Boiling) <5(<0.127)
Unalloyed Titanium Adipic acid + 15-20% glutaric + acetic 25 380-392 (193-200) Nil
Unalloyed Titanium Adiponitrile solution Vapor 700 (371) 0.3 (<0.008)
Unalloyed Titanium Adipyl-chloride + chlorobenzene —— —— 0.1 (0.003)
Unalloyed Titanium Adipyl-chloride + chlorobenzene 5-20 95-212 (35-100) <0.03 (<0.001)
Unalloyed Titanium Aniline + 2% aluminum chloride 98 600 (316) 804 (20.4)
Unalloyed Titanium Benzene + HCl, NaCl Vapor and Liquid 176 (80) 0.2 (0.005)
Unalloyed Titanium Carbon tetrachloride 99 Boiling <5 (<0.127)
Unalloyed Titanium Chloroform 100 Boiling 0.01 (0.000)
Unalloyed Titanium Chloroform + water —— Boiling 5 (0.127)
Unalloyed Titanium Cyclohexane + traces formic acid —— 302 (150) 0.1 (0.003)
Unalloyed Titanium Ethylene dichloride 100 Boiling <5 (<0.127)
Unalloyed Titanium Formaldehyde 37 Boiling <5 (<0.127)
Unalloyed Titanium Tetrachloroethylene 100 Boiling <5 (<0.127)
Unalloyed Titanium Tetrachloroethane 100 Boiling <5 (<0.127)
Unalloyed Titanium Trichloroethylene 99 Boiling <0.1 (<0.003)
Unalloyed Titanium Acetic 5 212 (100) Nil
Unalloyed Titanium Acetic 25 212 (100) Nil
Unalloyed Titanium Acetic 50 212 (100) Nil
Unalloyed Titanium Acetic 75 212 (100) Nil
Unalloyed Titanium Acetic 99.5 212 (100) Nil
Unalloyed Titanium Citric 50 212 (100) <0.01 (<0.0003)
Unalloyed Titanium Citric (aerated) 50 212 (100) <5 ( <0.127)
Unalloyed Titanium Citric (nonaerated) 50 Boil 14 (0.356)
Unalloyed Titanium Formic (aerated) 10 212 (100) <5 ( <0.127)
Unalloyed Titanium Formic (aerated) 25 212 (100) <5 ( <0.127)
Unalloyed Titanium Formic (aerated) 50 212 (100) <5 ( <0.127)
Unalloyed Titanium Formic (aerated) 90 212 (100) <5 ( <0.127)
Unalloyed Titanium Lactic 10 140 (60) 0.12 (0.003)
Unalloyed Titanium Lactic 10 212 (100) 1.88 (0.048)
Unalloyed Titanium Lactic 85 212 (100) 0.33 (0.008)
Unalloyed Titanium Lactic (nonaerated) 10 Boil 0.55 (0.014)
Unalloyed Titanium Lactic (nonaerated) 25 Boil 1.09 (0.028)
Unalloyed Titanium Lactic (nonaerated) 85 Boil 0.40 (0.010)
Unalloyed Titanium Oxalic 1 95 (35) 5.96 (0.151)
Unalloyed Titanium Oxalic 1 140 (60) 177 (4.50)
Unalloyed Titanium Oxalic 25 212 (100) 1945 (49.4)
Unalloyed Titanium Stearic 100 360 (182) <5 (<0.127)
Unalloyed Titanium Tartaric 50 212 (100) 0.2 (0.005)
Unalloyed Titanium Tannic 25 212 (100) Nil
Unalloyed Titanium Anhydrous Ammonia 104 (40) 5.1 (0.13)
Unalloyed Titanium NH4OH 28 75 (24) 0.10 (0.0025)
Unalloyed Titanium NH4OH, Boiling 70 210 (99) Nil(21days)
Corrosion of unalloyed titanium in ambient seawater
Material Ocean Depth ft (m) Corrosion Rate mpy (mm/y)
Unalloyed titanium Shallow 3.15 x 10-5 (0.8 x 10-6)
Unalloyed titanium 2,362-6,790 (720-2070) <0.010 (<0.00025)
Unalloyed titanium 4,264-4,494 (1300-1370) <0.010 (<0.00025)
Unalloyed titanium 5,642 (1720) 0.002 (0.00004)

Limitation of Liability and Disclaimer of Warranty: In no event will Xi'an Dec Titanium Import & Export Co., Ltd. be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Dec assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.