Titanium Alloy Steel Pipe GB/T 3624 Low Density For Petrochemical / Automobile
GB/T 3624 Titanium and Titanium Alloy Steel Pipe
Material :TA1,TA2,TA3,TA8,TA8-1,TA9,TA9-1,TA10.
Characteristic of the material:High strength ,low density,good mechanical property ,good tenacity.good corrosion resistance .
Titanium and Titanium Alloy Steel Pipe Size : OD 4-114mm WT0.2-4.5mm
Application: Aerospace, petrochemical, shipbuilding, automobile, medicine.etc.
Chemical component:
| Steel Grade | Nominal Chemical Composition | Chemical Composition/% | ||||||||||||||
| Main components | Impurity,max | |||||||||||||||
| Ti | Al | Sn | Mo | Pd | Ni | Si | B | Fe | C | N | H | O | Others | |||
| Single | Sum | |||||||||||||||
| TA1 | Industry Titanium | Remained | — | — | — | — | — | — | — | 0.20 | 0.08 | 0.03 | 0.015 | 0.18 | 0.10 | 0.40 |
| TA2 | Industry Titanium | Remained | — | — | — | — | — | — | — | 0.30 | 0.08 | 0.03 | 0.015 | 0.25 | 0.10 | 0.40 |
| TA3 | Industry Titanium | Remained | — | — | — | — | — | — | — | 0.30 | 0.08 | 0.05 | 0.015 | 0.35 | 0.10 | 0.40 |
| TA8 | Ti-0.05Pd | Remained | — | — | — | 0.04～0.08 | — | — | — | 0.30 | 0.08 | 0.03 | 0.015 | 0.25 | 0.10 | 0.40 |
| TA8-1 | Ti-0.05Pd | Remained | — | — | — | 0.04～0.08 | — | — | — | 0.20 | 0.08 | 0.03 | 0.015 | 0.18 | 0.10 | 0.40 |
| TA9 | Ti-0.2Pd | Remained | — | — | — | 0.12～0.25 | — | — | — | 0.30 | 0.08 | 0.03 | 0.015 | 0.25 | 0.10 | 0.40 |
| TA9-1 | Ti-0.2Pd | Remained | — | — | — | 0.12～0.25 | — | — | — | 0.20 | 0.08 | 0.03 | 0.015 | 0.18 | 0.10 | 0.40 |
| TA10 | Ti-0.3Mo-0.8Ni | Remained | — | — | 0.2～0.4 | — | 0.6～0.9 | — | — | 0.30 | 0.08 | 0.03 | 0.015 | 0.25 | 0.10 | 0.40 |
Titanium and Titanium Alloy Steel PipeSize list:
| grade | condition | Diameter/mm | Wall thickness /mm | |||||||||||||||
| 0.2 | 0.3 | 0.5 | 0.6 | 0.8 | 1.0 | 1.25 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | |||
| TA1,TA2,TA8 TA8-1 TA9,TA9-1, TA10 | Annealing (M) | 3-5 | o | o | o | o | - | - | - | - | - | - | - | - | - | - | - | - |
| ＞5-10 | - | o | o | o | o | o | o | - | - | - | - | - | - | - | - | - | ||
| ＞10-15 | - | - | o | o | o | o | o | o | o | - | - | - | - | - | - | - | ||
| ＞15-20 | - | - | - | o | o | o | o | o | o | o | - | - | - | - | - | - | ||
| ＞20-30 | - | - | - | o | o | o | o | o | o | o | o | - | - | - | - | - | ||
| ＞30-40 | - | - | - | - | - | o | o | o | o | o | o | o | - | - | - | - | ||
| ＞40-50 | - | - | - | - | - | - | o | o | o | o | o | o | o | - | - | - | ||
| ＞50-60 | - | - | - | - | - | - | - | o | o | o | o | o | o | o | o | - | ||
| ＞60-80 | - | - | - | - | - | - | - | o | o | o | o | o | o | o | o | o | ||
| ＞80-110 | - | - | - | - | - | - | - | - | - | o | o | o | o | o | o | o | ||
| Grade | Condition | Diameter/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 | |||
| TA3 | Annealing (M) | ＞10-15 | o | o | o | o | o | o | o | - | - | - | - | - |
| ＞15-20 | - | o | o | o | o | o | o | o | - | - | - | - | ||
| ＞20-30 | - | o | o | o | o | o | o | o | - | - | - | - | ||
| ＞30-40 | - | - | - | - | o | o | o | o | o | - | - | - | ||
| ＞40-50 | - | - | - | - | o | o | o | o | o | o | - | - | ||
| ＞50-60 | - | - | - | - | - | o | o | o | o | o | o | - | ||
| ＞60-80 | - | - | - | - | - | - | o | o | o | o | o | o | ||
Mechanical Porperties:
| Mechanical Porperty at room temperature | ||||
| Alloy Grade | condition | Mechanical Porperty at room temperature | ||
| Tensile strength /Mpa | specified non-proportional extension strength /Mpa | percentage elongation after fracture % | ||
| TA1 | Annealing | ≥240 | 140-310 | ≥24 |
| TA2 | ≥400 | 275-450 | ≥20 | |
| TA3 | ≥500 | 380-550 | ≥18 | |
| TA8 | ≥400 | 275-450 | ≥20 | |
| TA8-1 | ≥240 | 140-310 | ≥24 | |
| TA9 | ≥400 | 275-450 | ≥20 | |
| TA9-1 | ≥240 | 140-310 | ≥24 | |
| TA10 | ≥460 | ≥300 | ≥18 | |
Titanium and Titanium Alloy Steel Pipe Size Tolerance:
| Torerance for OD and WT | |
| OD | Tolerance |
| 3-10 | ±0.15 |
| ＞10-30 | ±0.30 |
| ＞30-50 | ±0.50 |
| ＞50-80 | ±0.65 |
| ＞80-100 | ±0.75 |
| ＞100 | ±0.85 |
| Seamless and Welded Rolled Pipe length | |||
| Type | Seamless | ||
| OD≤15 | OD＞15 | ||
| WT≤2.0 | WT＞2.0-5.5 | ||
| Length | 500-4000 | 500-9000 | 500-6000 |
Related Standard: ASTM B337/338/861/862, GOST 22897-86 GB/T3624/3625
Reference Documents:
GB/T 228 Metallic Material Tensile testing at ambient temperature
GB/T 241 Metal Tube Hydrostatic Testing
GB/T 244 Metal Tube Bend Test
GB/T 246 Metal Tube Flattening Test
GB/T 3620.1 Titanium and titanium alloy grades and chemical composition
GB/T 3620.2 Titanium and titanium alloy processing product chemical composition allowable deviation
GB/T 4698 Sponge titanium, titanium and titanium alloy chemical analysis method
GB/T 8180 Titanium and titanium alloy processing product packaging, mark, transportation and storage
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