| 73045910.01 |
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, non cold drawn or co |
kilogram/- |
17% |
|
|
| 73045910.90 |
Boiler tubes and pipes ,of other alloy steel (not cold-drawn or cold-rolled) |
kilogram/- |
17% |
|
|
| 73045920.00 |
Geological casing and drill pipes , of other alloy steel ( not cold-drawn or cold-rolled ) |
kilogram/- |
17% |
|
|
| 73045990.01 |
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, non cold drawn or cold-rol |
kilogram/- |
17% |
|
|
| 73045990.90 |
Other tubes and pipes , having circular crosssections , of other alloy steel (other than the cold-drawn or cold-rolled) |
kilogram/- |
17% |
|
|
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