GB/T 247-2025 General rules of package, mark and certification for steel plate, sheet and strip
1 Scope
This document specifies the general technical requirements for the package, mark, transportation, storage and certification for steel plate, sheet and strip.
This document is applicable to the package, mark, transportation, storage and certification of hot-rolled, cold-rolled, electrical steel, coated and plated steel plates, sheets and strips.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 18253 Steel and steel products - Types of inspection documents
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
package
wrapping or bundling one or more products into a unit of goods
3.2
label
paper strips or other material products fixed on packaging items (steel plates, sheets or strips), marked with product name, specification, manufacturer and other information
3.3
mark
any method used to identify product information
Example: Inkjet printing, printing, label fixing, etc.
3.4
tap
a movable label fixed to the packaging items with steel wire, U-shaped nails, etc.
3.5
bundle direction
3.5.1
transverse direction
perpendicular to the rolling direction of the steel plate or sheet
3.5.2
longitudinal direction
parallel to the rolling direction of the steel plate or sheet
3.5.3
circle direction
circumferential direction of the steel strip
3.5.4
eye direction
direction of the central axis of the steel strip
3.6
gross weight
sum of the weight of the product itself and the weight of all packaging materials
3.7
net weight
weight of the product itself
3.8
theoretical weight
weight calculated based on the nominal dimension and density of the steel
4 Package
4.1 General requirements
4.1.1 Steel plates, sheets and strips shall be neatly packaged and securely bundled. The mark shall be firm and the handwriting clear. The package shall ensure that the product does not become loose, deformed or damaged during normal transportation and storage.
4.1.2 The packaging requirements for steel plates, sheets and strips shall be as specified in the corresponding product standards. When there are no specific packaging requirements in the corresponding product standards, the requirements shall be specified in the contract. If not specified, the supplier shall make the selection. The purchaser should inform the supplier of the requirements for packaging materials and provide the unloading method and relevant equipment information.
4.1.3 If the purchaser has any special requirements regarding packaging materials, packaging types (methods), bundle weights, etc., they shall be negotiated at the time of placing an order and specified in the contract.
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Package
4.1 General requirements
4.2 Packaging materials
4.3 Strapping
4.4 Crossers and platforms
4.5 Weight and number of bundling pass
4.6 Steel plate or sheet package
4.7 Steel strip package
5 Mark
5.1 General requirements
5.2 Steel plate or sheet mark
5.3 Steel strip mark
6 Transportation and storage
7 Certification
Annex A (Informative) Functions of commonly used packaging materials
