What Is a Current Delivery?

The state of delivery refers to the state of final plastic deformation or final heat treatment of the delivered product.

delivery status

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The state of delivery refers to the state of final plastic deformation or final heat treatment of the delivered product.

Steel tube industry terminology

Refers to the state of final plastic deformation or final heat treatment of the delivered product. Generally delivered without heat treatment is called hot rolled or cold drawn (rolled) state or manufacturing state; delivery after heat treatment is called heat treated state, or normalizing (normalization), quenching and tempering, solid solution, annealing according to the type of heat treatment status. When ordering, the delivery status must be indicated in the contract.

Delivery by actual weight or by theoretical weight

Actual weight-when delivered, the weight of the product is delivered according to the weighing (weighing) weight;

Theoretical weight-When delivered, the weight of the product is calculated based on the nominal size of the steel. The calculation formula is as follows (for those who require delivery by theoretical weight, it must be indicated in the contract):

The formula for the theoretical weight of steel pipe per meter (the density of steel is 7.85kg / dm3):

W = 0.02466 (DS) S

Where: W--theoretical weight per meter of steel pipe, kg / m;

D--Nominal outer diameter of steel pipe, mm;

S--Nominal wall thickness of steel pipe, mm.