A sheet, a rod, a wire made of titanium gost 5V
Characteristics of alloy grade titanium gost 2V
Description |
Identification |
Grade of titanium alloy |
Titanium gost 5V |
Classification |
Titanium deformable alloy |
Industrial usage |
Manufacture of ingots, semi-finished products, titanium wire, rolled sections, details of special equipment, details for instrument engineering and aviation |
Percentage composition of titanium gost 5V according to GOST 19207−91
Ti |
N |
V |
O |
Si |
C |
Fe |
Mo |
Al |
Zr |
Residual elements |
88.85 — 93.24 |
≤0,04 |
1 — 1.9 |
≤0,13 |
≤0,12 |
0.06 — 0.14 |
≤0,25 |
0.7 — 2 |
4.7 — 6.3 |
≤0.1 |
≤ 0.3 |
Alloying increases strength characteristics and corrosion resistance of titanium 2−3 times as much. One of the main alloying elements is aluminium. It is present in almost all types of titanium. Vanadium, molybdenum are the most important alloying components after aluminium. High-resisting titanium alloys are based on a ternary system — titanium-aluminium-molybdenum. Extra-high tensile titanium alloys are based on titanium-aluminium-vanadium. Due to well-established trend of multicomponent alloying, most of modern titanium alloys contain aluminium, vanadium, molybdenum at the same timein their composition.
Physical characteristics of titanium grade gost 5V
J/(kg/degree) |
Ohm-m |
g/cm3 |
1/°С |
MPa |
Degree |
V/(m/degree) |
0.586 |
|
|
10.47 |
|
200° |
|
|
1.08 |
4.4 |
|
1,12 |
20° |
18,85 |
C |
R 10 9 |
r |
a 10 6 |
E 10— 5 |
t° |
l |
Description of mechanical characteristics
Description |
Identification |
Flow limit at permanent change of form (proportional limit) [MPa] |
sT |
Brinell hardness [MPa] |
HB |
Contraction ratio (%) |
y |
Short resistance to rupture [MPa] |
sv |
Percent elongation at fracture [ % ] |
d5 |
Impact hardness [ kJ/m2] |
KCU |
Physical characteristics of titanium gost 5V
Description |
Identification |
Temperature at which are obtained actual characteristics: |
20°С |
Heat conduction coefficient t° 200 °C [1/ °С] |
10.47 |
Density g/cm3;
|
4.4 |
Elasticity module of 1 sort Е [MPa] x 10-5 |
1.05 |
Specific heat of the material [J/(kg/deg)] (range of temperature 20°С) |
0.586 |
Short-term strength limit sв [MPa] Annealed bar GOST 26 492−85 |
685−735 |
Specific electric resistance Оhm-mm2/m |
1.08 |
Weldability
Identification |
Description |
weldable without limits |
— a welding is done without previous heating of parts and without final heat treatment. However, high affinity of hot titanium to oxygen and nitrogen requires inert gas protection of not only a welding zone, but a reverse side of a seam, and all those zones of metal that are heated to 400 degrees as well; |
limitedly weldable |
— qualitative welding requires pre-heating of parts to a temperature of 100−120°C and a final heat treatment; |
hardly weldable |
— in order to obtain a qualitative welded joints, it is necessary to perform the following operations: to heat parts up to 200−300°C before welding; to do a heat treatment (annealing) after welding; |
Advantages
It has high strength-to-density ratio, paramagnetism. It is easy to weld. All these properties play an important role in technical fields. Advantages of titanium mill products of this grade have great prospects in engineering, where are required strength, heat resistance in combination with high corrosion resistance. It is also popular in food, chemical industries, in aviation, shipbuilding, spacecraft building, rocket engineering, transport machine building. Extraordinary characteristics of titanium are of the utmost interest in spacecraft engineering in the capacity of a structural material.
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