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Welding wire made of titanium gost SPT-2 alloy

Technical characteristics

Description Identification
Grade of titanium alloy: Titanium gost SPT-2
Alloy classification: Deformable titanium alloy
Industrial usage of alloy: Manufacture of titanium welded wire

Percentage composition according to GOST 27 265 — 87

N H O V Al Ti Si C Fe Zr Residual elements
up to 0.04 up to 0.003 up to 0.12 2.5 — 3.5 3.5 — 4.5 89.36 — 92.7 up to 0.1 up to 0.05 up to 0.15 1 — 2 others 0,3

Note: titanium constitutes a basis of alloy; its percentage content is noted in table.

Mechanical characteristics (temperature is 20°С)

Range of sizes GOST F.e. KCU   Heat treatment. d5 sT sv
-   - kJ/m2 % - % MPa MPa
Titanium wire 27 265−87       Condition of supply 13   645−845

Physical characteristics of alloy

g. wt./m3 V/(m/degree) 1/Degree MPa Ohm-m J/(kg/degree) Degree
4.5   8,2 1,12     20°
  l a 10 6     540 100°
r 18,85   E 10— 5 R 10 9 C T

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

Manufacture

Wire is made in outgassing, pickled conditions. Out-of-roundness of welding titanium wire cannot be bigger than its diameter for limit deviation. Its surface must be clean and clear, without non-pickled places, black spots, colors of tarnish. Dark non-pickled places, minor tears, small guide marks, backfins of a depth that does not exceed sizes are allowed on a surface.

Diameter Permissible depth of defect beddings in a wire
1.0 -
1.2 -  
1.4 -  
1.6 0.4  
1.8 0.4  
2.0 0.4  
2.5 0.5  
3.0 0.5  
3.5 0.6  
4.0 0.6  
5.0 0.7  
6.0 0.8  
7.0 0.8  

Quality

Small separate defects at wire diameter of up to 3.0 mm deep, exceeding the limit of 0.1 mm are allowed on a surface. Cleaning of contaminations and surface defects are done by means of pickling treatment and dressing for wire degassing. Further dressing of small separate contaminations and pickling treatment of certain repeated degassing are allowed as well. A general scope of macrosection with defined exceeding of defect depth during a process of metallographic examination cannot be higher than 10% of general scope of macrosection inspection lot.

Physical characteristics of titanium gost SPT-2

Description Identification
Temperature at which are obtained actual characteristics 20°С
Lineal expansion coefficient α x 106 at 100 °C [1/ °С] 8.2
Density g/cm3

4.5
Elasticity module of 1 sort Е [MPa] x 10-5 1.12
Elongation on failure d5 % 13%
Short-term strength limit sv [MPa] 645−845
Specific electric resistance Оhm-mm2/m 1.6

Supply

Titanium wire is rolled in coils. Its outer diameter must not exceed 900 mm. Wire waps must not stick together. There must not be present coil cambers of more than 100°. Distortion of titanium wire which appears at coil annealing is not a flaw. Coil weight along with a wire cannot be more than 50 kg. If coil is composed of a few pieces, a length of every piece must not be less than 10 m.

Mechanical characteristics of titanium wire must fully comply with requirements specified in a table.

Grade of titanium alloy Percentage extension, % not more than Diameter, mm Ultimate resistance MPa (kgf\mm sq.)
Titanium gost SPT-2 13.0 1.6 — 7.0 645−845 (66−86)

Marking of wire:

Every coil with wire must have an attached to it mark that will define:

— number of batch and smelt;

— inspection stamp;

— release date;

— name of manufacturer and trade mark:

— conventional symbol of wire;

— marking of standard.

Packaging

Every coil of wire must be tightly bounded with soft titanium wire. Then, it must be packaged in a clean paper and wraparound with bagging at the top. Wire that is rolled in coil must be joined with natural or synthetic binder according to requirements of standard technical documents.

Titanium gost SPT-2 welding wire supplier

Where to buy titanium gost SPT-2 welding wire by wholesale? «Auremo» company proposes to buy titanium mill-products on favorable terms. There is a wide range of half-finished goods in stock. They complyt with GOST and International Standards of quality. Titanium gost SPT-2 welding wire is always in stock. You can buy it for an affordable price from titanium gost SPT-2 welding wire supplier. You can easily buy a product right now. Titanium gost SPT-2 welding wire price is privileged for wholesale customers.

Buy at a bargain price

«Auremo» company proposes to buy goods on favorable terms. A wide range of goods for scaled-up fabrications. Titanium gost SPT-2 welding wire is always in stock. A price is conditioned by technological details of production without including additional expenses. You can find a price-list, a catalog of production and all information about it on company’s web-site. Titanium gost SPT-2 welding wire price depends on order quantity and additional conditions of supply. You can easily find us through the Internet. «Auremo» company offers to buy titanium gost SPT-2 welding wire by wholesale. «Auremo» company is a profitable titanium gost SPT-2 welding wire supplier in this segment of mill-products. You can easily buy a product right now. A quality complies with GOST (all-Union State Standards) and International Standards. There is the best titanium gost SPT-2 welding wire price from a supplier. We are waiting for your orders.