| 73045110.01 |
Alloy steel seamless steel tubes for pressure and high temperature (tensile strength, yield strength ≥ 620MPa ≥ 440MPa ≥ 127mm) (boiler tube, the chemical composition (wt%) 0.07 ≤ C ≤ 0.13, 8.5 ≤ Cr ≤ 9.5, 0.3 ≤ Mo ≤ 0.6, 1.5 ≤ W ≤ 2, cold drawn or cold r |
kilogram/- |
17% |
|
|
| 73045110.90 |
Boiler tubes and pipes, of other alloy steel (cold-drawn or cold-rolled, including internal thread) |
kilogram/- |
17% |
|
|
| 73045120.00 |
Geological casing and drill pipes , of other alloy steel ( cold-drawn or cold-rolled) |
kilogram/- |
17% |
|
|
| 73045190.01 |
Alloy steel seamless steel tubes for pressure and high temperature (≥ 620MPa, tensile strength, yield strength ≥ 440MPa) (chemical composition diameter ≥ 127mm, (wt%) 0.07 ≤ C ≤ 0.13, 8.5 ≤ Cr ≤ 9.5, 0.3 ≤ Mo ≤ 0.6, 1.5 ≤ W ≤ 2, cold drawn or cold rolled, |
kilogram/- |
17% |
|
|
| 73045190.90 |
other tubes or pipes ,of other alloy steel ( cold-drawn or cold-rolled) |
kilogram/- |
17% |
|
|
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