Heat exchanger tube OD25.4mm OD19.05mm ASTM B338 titanium pipe
1.Titanium tube Technical Requirements
ASTM B338 Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
ASTM B338 covers 28 grades of seamless and welded titanium alloy tubes for surface condensers, evaporators, and heat exchangers.
| Standard | ASTM B338, ASME SB338 |
| Regular Grade | Grade 1 Grade 2 |
| Outer Diameter | 12.7mm 15mm 17mm 19mm 25.4mm 31mm etc. |
| Wall thickness | 0.9mm/1.0mm/1.2mm/1.5mm |
| Length | 3000 - 6000mm or other economical lengths |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Form | Straight titanium Pipe, Coiled titanium tube |
| Type | Seamless, ERW, EFW, Welded, Fabricated |
| End | Plain End, Beveled End, Treaded |
| Marking | Standard, Grade, OD, Thickness, Length, Heat No. (Or as per customer's request.) |
| Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heat exchanger |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Test Certificate | Mill Test Certificate EN 10204/3.1,TPI Report, EN10204/3.2 |
2.Heat exchanger tube application
Chemical composition (Wt%)
| ASTM No. | Fe max | O max | N max | C max | H max | Pd | Al | Bal |
| Grade 1 | 0.2 | 0.18 | 0.03 | 0.1 | 0.015 | - | - | Ti |
| Grade 2 | 0.3 | 0.25 | 0.03 | 0.1 | 0.015 | - | - | Ti |
Physical Properties (Min)
| ASTM Grade | Alloy Composition | Tensile Strength | Yield Strength | Elongation min % |
| ksi | Mpa | ksi | Mpa | |
| Grade 1 | Unalloyed Ti ("Pure") 35A -CP1 | 35 | 240 | 25 | 170 | 30 |
| Grade 2 | Unalloyed Ti ("Pure") 50A -CP2 | 58 | 400 | 40 | 275 | 25 |
Titanium tubes Quality inspections:
UT ,PT ,Hydrodtatic test, Eddy current inspection,Chemical composition inspection,Dimention inspection,
Tensile testing, Radiographic inspection,Thickness inspection,PMI inspection
Titanium pipes / titanium tubes used in heat exchanger:
3.Titanium alloy pipe specification
| Grade | N(%) | C(%) | H(%) | Fe(%) | O(%) | Ti | Other , max |
| 1 | ≤0.03 | ≤0.08 | ≤0.015 | ≤0.20 | ≤0.18 | Bal | ≤0.4 |
| 2 | ≤0.03 | ≤0.08 | ≤0.015 | ≤0.30 | ≤0.25 | Bal | ≤0.4 |
| Grade | Tensile Strength(min) | Yeild Strength(0.2% offset)) | Elongation(%) |
| ksi | MPa | Min | Max |
| Ksi | Mpa | Ksi | Mpa |
| 1 | 35 | 240 | 15 | 140 | 45 | 310 | ≥24 |
| 2 | 60 | 400 | 40 | 275 | 65 | 450 | ≥20
|
| Product name | Heat exchanger tube Titanium tube /pipe |
| Material | Titanium(Gr2) |
| Certificate | ISO9001:2015, TUV, EN10204.3.1 |
| Standard | ASTM B338 |
| Size | OD19mmxWT0.5-0.8mmx3000-12000mm OD25mmxWT1.0-1.2mmx3000-12000mm OD32mmxWT1.0-1.2mmx3000-6000mm OD38mmxWT1.0-1.2mmx3000-6000mm Or according customer’s requirement. |
| Technics | Rolled |
| Status | Annealed(M) |
| Type | Seamless Titanium Tube for heat exchanger, Titanium exhaust tube for automobile, titanium coil tube Welded Titanium Tube, |
| Application | 1)Power and chemical plant 2)Automotive components 3)sports 4)marine corrosion |
| Surface | Acid pickling, CNC lathe surface. |
4.Titanium tube Production process
5.Details picture in Workshop
| Material Grade | Status | Processing | OD(mm) | Wall thickness(mm) | |
| 0.5 | 0.6 | 0.8 | 1.0 | 1.25 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 |
| Gr1 Gr2 Gr7 Gr12 | Annealed (M) | Cold rolled | 10-15 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — |
| ﹥15-20 | — | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — |
| ﹥20-30 | — | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — |
| ﹥30-40 | — | — | — | — | ○ | ○ | ○ | ○ | — | — | — | — |
| ﹥40-50 | — | — | | — | — | ○ | ○ | ○ | ○ | — | — | — |
| ﹥50-60 | — | — | — | — | — | ○ | ○ | ○ | ○ | ○ | — | — |
| ﹥60-80 | — | — | — | — | — | — | ○ | ○ | ○ | ○ | ○ | ○ |
| Welded | 16 | ○ | ○ | ○ | ○ | — | — | — | — | — | — | — | — |
| 19 | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — | — | — |
| 25,27 | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — | — |
| 31,32,33 | — | — | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — |
| 38 | — | — | — | — | — | ○ | ○ | ○ | — | — | — | — |
| 50 | — | — | — | — | — | — | ○ | ○ | — | — | — | — |
| 63 | — | — | — | — | — | — | ○ | ○ | — | — | — | — |
| Welded-rolled | 6-10 | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — | — | — |
| ﹥10-15 | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — | — |
| ﹥15-20 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — |
| ﹥20-25 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — |
| ﹥25-30 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | — | — | — | — | — |
| Note: "○" indicates the specifications that can be produced |
ASTM B338 titanium tube
Used:Heat exchanger, condenser and various pressure vessels
Wall thickness:0.5mm to 4.5mm
Length:3000mm /6000mm and longger to 9000mm
Outside Diameters:10mm to 114mm
Wall thickness tolerance: +/- 10%
Length tolerance: +3.2mm
6. ASME SB388 Test as below
We provide following tests for Ti seamless and welded tubes
| Chemical Composition | Visual Inspect | Ultrasonic Testing | Current Testing |
| Flattening Testing | Flattening Testing | Pneumatic Test | Hydrostatic Test |
| Tensile | Yield | Hardness | Elongation |
7. Feel free to contact titanium alloy tube supplier
