GB/T 21073-2007 (English Version) PDF

Standard No.: GB/T 21073-2007
Language: Chinese, Available in English version
Release Date: 2007
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21073-2007

Scope: This standard specifies the classification and marking, ordering content, materials, pre-coating treatment of prestressed steel strands, and coating of fusion-bonded filled and painted epoxy-coated seven-wire prestressed steel strands. , technical requirements, allowable coating damage and repair of damaged coating, test methods, inspection rules, packaging, marks and quality certificates. This standard is applicable to prestressed engineering, especially prestressed steel strands with high anti-corrosion requirements, including internal prestressed steel strands, external prestressed steel strands, prestressed steel strands in rock and soil anchorage and cable-stayed bridges Strand cables, etc., are not suitable for epoxy-coated prestressed steel strands of the monofilament spray type.

GB/T 21073-2007 Referenced Document

GB/T 10125 Corrosion tests in artificial atmospheres—Salt spray tests*， 2021-08-20 Update
GB/T 13452.2 Paints and varnishes.Determination of film thickness*， 2008-05-14 Update
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 5224 steel strand for prestressed concrete*， 2023-08-06 Update
GB/T 8923 Rust grades and preparation grades of steel surfaces before application of paints and related products
ISO 6272-2 Paints and varnishes - Rapid-deformation (impact resistance) tests - Part 2: Falling-weight test, small-area indenter*， 2011-08-01 Update