1. product introduction
This product is used in drilling equipment in the petroleum industry and can be customized according to customer requirements.
2. product specifications
According to the drawing of the customer, the craft is fine and the quality is excellent.
3. material
TC4, TC6, TC11 or other materials required
4. performance standards
The chemical composition accords with the standards of GB/T 3621-2007, GB/T 2965-2007, GB/T 3625-2007 and so on.
5. standard value
| Reference standard for chemical composition |
Grade |
Al |
V |
N≤ |
C≤ |
H≤ |
Fe≤ |
O≤ |
Other elements (single) |
Other elements (sum) |
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 |
0.30 |
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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