Wire, bar made of titanium gost VT22
Equivalent
Grade | analogue | W. Nr. | Aisi Uns | En | Order |
---|---|---|---|---|---|
BT22 | Buy from stock, view availability |
Technical characteristics
Titanium grade gost VT22 alloy relates to a transition type. It possesses high strength-to-density ratio of more than 960 MPa. It was invented in 1965 by VIAM. Later, there were offered modifications of this alloy.
Percentage composition according to GOST 19807−91
Fe | C | Si | Cr | Mo | V | N | Ti | Al | Zr | O | H | Residual elements |
0.5 — 1.5 | ≤0.1 | ≤0,15 | 0.5 — 1.5 | 4 — 5.5 | 4 — 5.5 | ≤0.05 | 79.4 — 86.3 | 4.4 — 5.7 | ≤ 0.3 | ≤0,18 | ≤0.015 | ≤ 0.3 |
Bar section of titanium gost VT22 undergoes thermohardening at 750° +480° C for 16 hours.
Semi-fabricate | Heat treatment | Thickness, mm | Strength (MPa) | KCU J/cm³ | Plasticity δ% |
Bar | Annealing | up to 200 mm | 1080 — 1230 | more than 25 | more than 7% |
— «--- | Annealing | 25 — 60 | 1070 — 1226 | more than 30 | more than 10% |
— «--- | Condition of supply | 65 — 100 | 1100 — 1300 | more than 30 | more than 8% |
— «--- | Condition of supply | 101 — 130 | 1100 — 1300 | more than 30 | more than 8% |
Bar | Condition of supply | 140 — 250 | 1100 — 1300 | more than 30 | more than 8% |
— «--- | Thermohardening 870 °C + 500 °C 16 h. | up to 20 mm | 1375 — 1520 | 30 — 60 | 7 — 10% |
— «--- | Thermohardening + age-hardening | more than 40 mm | 1200 — 1300 | --- | more than 6% |
— «--- | Annealing 700° up to 300° | up to 100 mm | 1080 — 1225 | 30 — 60 | 8 — 16% |
— «--- | Annealing 750° 0,5 h. up to 350°, V |
Ø20 mm | 1147 | 34 | 16% |
Bar | Annealing 750° 1 h. up to 350°, V |
Ø30 mm | 1073 — 1092 | 37 — 44 | 18 — 20% |
— «--- | Annealing | Ø50 mm | 1140 | 39 | 16% |
— «--- | Thermohardening 780 °C + 400 °C 16 h. | 14 mm | 1860 | --- | 3.5% |
— «--- | Thermohardening + age-hardening | 1680 | --- | 10% | |
Bar | Thermohardening 750 °C + age-hardening, 500 °C 10 hours | 1323 — 1421 | --- | 7 — 11 | |
— «--- | Thermohardening 700−750° + age-hardening, 450−500° | More than 1274 — 1470 |
--- | 8 — 10% | |
Forged bars | Annealing 780° 1 h. up to 400°, V |
14x14 | 1127 | --- | 16.7% |
Bar | 840° 1 h. up to 750°, 3 h, V +620° 4 h, V | 60 — 100 | 1108 — 1133 | 28 — 42 | 12.4 — 16% |
— «--- | Thermohardening + age-hardening | 1370 — 1520 | 5% | --- | |
— «--- | Annealing | 1080 — 1230 | more than 10% | more than 30 | |
— «--- | Thermohardening 880° | 1058 — 1100 | 10 — 13 | ||
Bar | Isothermal annealing | 1250 | 13% | --- | |
— «--- | Thermohardening 700 — 750° + age-hardening 450 — 500°С | more than 1300 | --- | ||
— «--- | 1490 | 11% | 17.4 |
There can be such types of cutting: short transverse, longitudinal, high-altitude, tangential section.
Heat resistance is characterized by the highest stress — creep limit. Under its influence, a material is deformed by a given amount at a given temperature.
Heat resistance of titanium bar gost VT22
Range of sizes | Heat treatment | Creep limit 0,2/100 | t°C |
Bar | Annealing | 764 | 300° |
— «--- | Annealing | 402 | 350° |
— «--- | Thermohardening + age-hardening | 890 | 250° |
— «--- | Thermohardening + age-hardening | 880 | 300° |
Long-term strength is a maximum stress that can disrupt a material after a certain time at a given temperature. The more load duration and the higher temperature are, the less a resistance to rupture is.
Long-term strength titanium bar of gost VT22
Thickness | Heat treatment | t°С | Long-term strength (MPa) | |
25 mm | Annealing | 300° | 880 | |
25 mm | — «--- | 350° | 800 | |
25 mm | — «--- | 400° | 650 | |
80 mm | Age-hardening and thermohardening | 250° | 980 | |
80 mm | Age-hardening and thermohardening | 300° | 950 | |
80 mm | Age-hardening and thermohardening | 350° | 850 | |
Bar of gost VT22 | Heat treatment | Long-term strength (MPa) | t°С | |
25 mm | Annealing | 880 | 300° | |
25 mm | 350° | 800 | ||
25 mm | 400° | 650 | ||
80 mm | Age-hardening and thermohardening | 980 | 250° | |
80 mm | 300° | 950 | ||
80 mm | 350° | 850 |
Fatigue resistance of bar gost VT22
Bar | Thickness, mm | Heat treating | R | Load configuration | Endurance strength 10.000.000 |
Gost VT22 | 25 | Annealing | — 1 | Symmetrical loading | More than 519 MPa |
— «--- | 100 | — «--- | — 1 | Bending through an angle in one platitude | 505 MPa |
— «--- | 20 | — «--- | — 1 | Bending through an angle in one platitude | 580 MPa |
Testing data of repeated static load (low-cycle fatigue)
Grade gost VT22 | Thickness | Heat treatment / structure | Strength (MPa) | N х 1000 |
Bar | 80 mm | Annealing | 8 | 1200 |
— «--- | 80 mm | Fine-grained | 11 | 1225 |
— «--- | 80 mm | Polygonized | 9.5 | 1225 |
Application
Semi-fabricates of gost VT22 alloy are indispensable in manufacture of attaching fittings, large strength part of air-frame, wings, landing gears, parts of all-cargo aircraft control system, parts for gas-turbine engine.
Supplier
«Auremo» titanium gost VT22 wire, bar supplier offers to buy titanium products by wholesale. There is a wide range of half-finished goods in stock. They comply with GOST and International quality Standards. Wire, rod, bar of titanium gost VT22 are always in stock. You can buy goods for the best price from a supplier. Buy titanium gost VT22 wire, bar in a moment! Titanium gost VT22 wire, bar price is privileged for wholesale customers.
Buy at a bargain price
«Auremo» supplier is a recognized expert on a market of titanium mill-products. We have offices in Eastern Europe, so we are able to make a prompt cooperation with business partners. Experience of our company allows you to easily buy titanium gost VT22 wire, bar in a large variety by wholesale. A quality complies with GOST (all-Union State Standards) and International Standards. «Auremo» company is a reliable titanium gost VT22 wire, bar supplier of titanium mill-products that invites all the wishing to a partnership. We have the best price-quality ratio. Titanium gost VT22 wire, bar price is privileged for wholesale customers. All products are certificated. A delivery service will supply your order in the shortest possible time. Titanium gost VT22 wire, rod, bar are always in stock. There is the best price in this segment of mill-products.