ASTM B338 Gr2 Seamless Titanium Tubing Cold Rolled For Heat Exchanger
Product Details
alloy steel seamless pipe
,structural steel square tubing
ASTM B338 Gr2 Titanium Seamless Tube for Heat Exchanger
1. Grade:
Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12,Gr16,
TA0,TA1,TA2,TA9,TA10,
BT1-00,BT1-0,Ti-6Al-4V(TC4),Ti-5Al-2.5Sn(TA7)
2. Dimension
Outer Diameter: 6-65mm
Wall Thickness: 0.3-5mm
Max Length: 15m for seamless 20m for welded
Regualer size:
19*1.2mm 19*1.5mm
25.4mm 38mm 32mm
Special size 19*3.3mm
3. Standard:
ASTM B338/SB861, ASTM SB338/SB861, EN10204
4. Certification:
ISO9001, PED, DNV
5.Production method:
Cold rolled
6.Application:
Industrial, Heating Exchanging, Condenser, Medical, Chemical, Oil, Sports, Bike,
Aerospace and Aeronautics, Seawater desalinationm, power station etc.
Titanium and its alloys have many excellent properties, which are mainly embodied in the following aspects:
1. High strength. Titanium alloy has high strength, its tensile strength is 686 - 1176 MPa, and its density is only about 60% of steel, so its specific strength is very high.
2. High hardness. The hardness HRC of titanium alloy (as annealed) is 32-38.
3. Low modulus of elasticity. The elastic modulus of titanium alloy (as annealed) is 1.078*10-1.176*10MPa, which is about half of that of steel and stainless steel.
4. Excellent performance at high and low temperatures. At high temperature, titanium alloy can still maintain good mechanical properties, its heat resistance is much higher than that of aluminium alloy, and its working temperature range is wider. At present, the working temperature of new type of heat-resistant titanium alloy can reach 550-600 degrees C. At low temperature, the strength of titanium alloy is higher than that at normal temperature, and it has good toughness. Low temperature titanium alloy has -25 degrees C. It also maintains good toughness at 3 C.
5. Titanium has strong corrosion resistance. Titanium can form thin and compact titanium oxide film on the surface of Titanium in air below 550 C. Therefore, its corrosion resistance is better than that of most stainless steels in oxidizing media such as atmosphere, sea water, nitric acid and sulfuric acid and strong alkali.
Chemical Requirements
| Composition % | |||||||
| Elements | Gr 1 | Gr 2 | Gr 3 | Gr 7 | Gr 9 | Gr 11 | Gr 12 |
| N max | 0.03 | 0.03 | 0.05 | 0.03 | 0.03 | 0.03 | 0.03 |
| C max | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
| H max | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 | 0.015 |
| Fe Max | 0.20 | 0.30 | 0.30 | 0.30 | 0.25 | 0.20 | 0.30 |
| O max | 0.18 | 0.25 | 0.35 | 0.25 | 0.15 | 0.18 | 0.25 |
| Al | 2.5-3.5 | ||||||
| V | 2.0-3.0 | ||||||
| Pd | 0.12-0.25 | 0.12-0.25 | |||||
| Mo | 0.2-0.4 | ||||||
| Ni | 0.6-0.9 | ||||||
| Residuals max each | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Residuals max total | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Ti | balance | balance | balance | balance | balance | balance | balance |
Tensile requirements
| Grade | Tensile strength | Yield strength | Elongation |
| Mpa | Mpa | In 2 in or 50mm min% | |
| 1 Annealing | 240 | 170-310 | 24 |
| 2Annealing | 345 | 275-450 | 20 |
| 3Annealing | 450 | 380-550 | 18 |
| 7Annealing | 345 | 275-450 | 20 |
| 9Cold-worked+SR | 860 | 725 min | 10 |
| 9Annealing | 620 | 483 min | 15 |
| 11Annealing | 240 | 170-310 | 24 |
| 12Annealing | 483 | 345 min | 18 |
| 13Annealing | 275 | 170 min | 24 |
| 14Annealing | 410 | 275 min | 20 |
| 15Annealing | 483 | 380 min | 18 |
| 16Annealing | 345 | 275-450 | 20 |
| 17Annealing | 240 | 170-310 | 24 |
| 18Cold-worked+SR | 860 | 725 | 10 |
| 18Annealing | 620 | 483 | 15 |
| 26 | 345 | 275-450 | 20 |
| 27 | 240 | 170-310 | 24 |
| 28 | 620 | 483 | 15 |
| 30 | 345 | 275-450 | 20 |
| 31 | 450 | 380-550 | 18 |
| 33 | 345 | 275-450 | 20 |
| 34 | 450 | 380-550 | 18 |
| 35 | 895 | 828 min | 5 |
| 36 | 450 | 410-655 | 10 |
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