Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
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Bright Surface Seamless Titanium Tubing For Offshore Aquaculture
1. Material Grade
Grade 1—Unalloyed titanium
Grade 2—Unalloyed titanium,
Grade 3—Unalloyed titanium,
Grade 7—Unalloyed titanium plus 0.12 to 0.25 %
palladium,
Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium),
Grade 12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel)
2. Specification and standard for titanium tubes and its alloys:
| Description | Grade | Size (Metric Units) | Standard |
| Titanium seamless tube | Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12,Gr16 | OD: 6-273mm WT:0.5-22mm | ASTM B337, B338, B861 ASME SB337,338,861 |
3. Grade Contrast
| China | America | Russia | Japan | |
| TA1 | Industrially Pure Titanium | GR1 | BT1-00 | TP270 |
| TA2 | GR2 | BT1-0 | TP340 | |
| TA3 | GR3 | TP450 | ||
| TA4 | GR4 | TP550 | ||
| TC4 | Ti-6Al-4V | GR5 | BT6 | TAP6400 |
| TA9 | Ti-0.2Pd | GR7 | TP340Pb | |
| TA18 | Ti-3Al-2.5V | GR9 | 0T4-1B | TAP3250 |
| TA9-1 | GR11 | |||
| TA10 | Ti-0.3Mo-0.8Ni | GR12 | ||
| TB5 | Ti-15V-3Al-3Gr-3Sn | Ti-15333 | ||
| TC4ELI | Ti-6Al-4VELI | GR5ELI | | |
4. Mechanical Properties
| Grade | | Tensile Strength | Yield Strength | Elongation | Area of Reducation | ||
| Ksi | Mpa | Ksi | Mpa | % | |||
| ≥ | |||||||
| GR1 | | 35 | 240 | 25 | 170 | 24 | 30 |
| GR2 | 50 | 345 | 40 | 275 | 20 | 30 | |
| GR3 | 65 | 450 | 55 | 380 | 18 | 30 | |
| GR4 | 80 | 550 | 70 | 483 | 15 | 25 | |
| GR5 | 130 | 895 | 120 |
828 | 10 | 25 | |
| GR7 | 50 | 345 | 40 | 275 | 20 | 30 | |
| GR9 | 90 | 620 | 70 | 483 | 15 | 25 | |
| GR11 | 35 | 240 | 25 | 170 | 24 | 30 | |
| GR12 | 70 | 483 | 50 | 345 | 18 | 25 | |
| GR23(TI-6AL-4VELI) | 125 | 860 | 115 | 795 | 10 | 25 | |
5. Quality tests for titanium and titanium alloy tubes:
Inspections and tests ensure that materials meet international standard specifications including ASME SB338, ASTM B338 or 337 in addition to our customers’ specific requirements. Third party inspections (TUEV, SGS, LR, MOODY, ITS, DNV) and customer inspections are welcomed.
6. Product Show
