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SP 17 Titan circle, rod, sheet

SP 17 Titan circle, rod, sheet

Characteristics of the alloy grade SP17

Grade of titanium alloy: SP17
Classification of alloy: Titanium alloys
Industrial application of alloy: production of ingots, semi-finished products, titanium wire, rolled sections; details, details of instrument engineering and aviation

Percentage composition of the brand SP17 according to GOST 19807- -91

Fe Mo Si N O Ti Al Zr V C Impurities
to 0.25 1.8 — 3.5 to 0.12 to 0.04 to 0.15 basis 3.5 to 4.5 2,0 2.5 to 3.5 to 0.1 Other 0.3

Note: the base of the alloy is titanium; the interest of its contents listed in the table.

Physical characteristics of the alloy grade SP17.

Grad W/(m·deg) 1/Deg kg/m3 Ohm·m J/(kg·deg) MPa
T 18.85   r R 109 C E 10-5
100 l a 106     540  
20   8.2 4505     1.12

The mechanical characteristics of the alloy grade SP17 (20°C).

Assortment Size Eg. KCU y blower SB d5 sT Heat treatment.
- mm - kJ / m2 % MPa % MPa -
GOST 27265−87         480−625 15−18    

Designations:

Mechanical characteristics:

The yield stress at permanent deformation (thinning of proportionality), [MPa] sT
Brinell hardness [MPa] HB
The relative contraction [ % ] y
Tensile strength (short-term) in [MPa] blower SB
At break elongation in [ % ] d5
The toughness of the alloy, in [ kJ / m2] KCU

Weldability:

not limited — welding is carried out without further heat treatment and without heating
weldability with limitations — welding is possible when heated to a temperature of 100−120°C and further heat treatment
hard-welded — to obtain a quality weld, additional operations: during welding -preheating to a temperature of 200−300°C, heat treatment after welding — annealing

Dignity

As to its strength titanium alloy SP-17 is not inferior to steel but lighter by almost half, are heat resistance, low thermal conductivity. Advantages of titanium is very promising in technical fields that require high specific strength, heat resistance, combined with high corrosion resistance. Food and chemical industry, aviation, shipbuilding, aerospace, vehicle construction today can not do without titanium. Unusual characteristics of this metal present a great interest as a structural material in spacecraft.

Alloying

Alloying increases the corrosion resistance of titanium and its strength properties 2−3 times. One of the main alloying elements are aluminium, present in almost all alloys of titanium. The most important alloying components, followed by aluminum are vanadium, molybdenum. High-temperature titanium alloys based on the ternary system — titanium-aluminum-molybdenum, high-strength titanium alloys of the system titanium-aluminum-vanadium. Most modern titanium alloys due to well-established trends multicomponent alloying at the same time in their composition contain aluminium, vanadium, molybdenum.

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LLC «AVEK global» is a large steel trading company. Our warehouses are located in Moscow, Ukraine. Established representative office in Roooo «AVEK global» is a large steel trading company. Our warehouses are located in Moscow, Ukraine. Established representative offices in the Russian Federation, the UK with phone numbers for more convenience of our partners. The range includes non-ferrous metals, stainless steel, various titanium alloys, rare, refractory metals. We aim for mutually beneficial cooperation. Prices are the best available. All products are certified. Terms of delivery — minimum. When wholesale purchases are offered preferential discounts.