1. product introduction: titanium alloy has high strength, small density, good mechanical properties, good toughness and corrosion resistance. Titanium and titanium alloy screws, nuts, gaskets, springs and other fasteners are mainly used for various equipments with high temperature change and high corrosiveness. Their good mechanical properties are highly favored by chemical industry and other fields.
2. product specifications:
Bolts: DIN931 DIN933 DIN609 DIN912 DIN6912 DIN7984 DIN7985 DIN84 DIN85 DIN965 DIN7991 DIN938.
Nut: DIN934 DIN935 DIN936 DIN439 DIN557 DIN6923 DIN1587 DIN6330
3. material
TA1 (Grade 1), TA2 (Grade 2), TC4 (Grade 5) TC6, TC11, TA5
TA9 (Grade 7), TA10 (Grade 12), TA18
4. product use
Titanium materials are widely used in aerospace, chemical, medical, metallurgy, architecture and automotive industry due to their good corrosion resistance, heat resistance, high specific strength, low modulus of elasticity and low density. The aerospace field is mainly used in various components: part of aircraft engine parts, aircraft structure; chemical field is mainly used to do: reactor, heat exchanger, reactor, concentrator and various anti-corrosion chemical fittings, stirring shaft, flange and parts; the field of metallurgical industry is mainly used in: corrosion resistant container, pump and valve, turbine blades, link piping, and other accessories; used mainly in the medical field: surgical implants and other medical materials; also can be used for auto parts, bicycle frame and roof of the building and decoration.
5. performance reference standard
Chemical composition standard
GB/T - 3620.1 - 2007
Physical performance standard
Tension, yield, extension, contraction
GB/T - 2965 - 2007
Executable standard: ASTM B 265 American Standard, Russian standard, Japanese standard
American Standard Gr5 as an example
Mechanical properties at room temperature
Minimum reference value
825 MPa910 MPa tensile
Yield 895 MPa1000 MPa
The elongation rate of 50 mm, A510 18%%
Contraction of 20%
Grade |
Al |
V |
N.max |
C.max |
H.max |
Fe.max |
O.max |
Remainder (single) max |
Remainder (total amount) max |
TA1 |
|
|
0.03 |
0.08 |
0.015 |
0.20 |
0.18 |
0.1 |
0.40 |
TA2 |
|
|
0.03 |
0.08 |
0.015 |
0.30 |
0.25 |
0.1 |
0.40 |
TC4 |
5.5-6.75 |
3.5-4.5 |
0.05 |
0.08 |
0.015 |
0.40 |
0.20 |
0.1 |
0.40 |
Reference standard for mechanical properties |
| Grade |
The mechanical properties at room temperature are not less than |
tensile strength |
Yield strength |
Elongation |
Section shrinkage rate |
TA1 |
170 MPa |
240 MPa |
25% |
30% |
| TA2 |
275 MPa |
345 MPa |
20% |
30% |
| TC4 |
825 MPa |
895 MPa |
10% |
20% |
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