(1) Categorized by use

Pre-stressed steel strand, galvanized steel strand for electrical use, and stainless steel strand, among which pre-stressed steel strand coated with anti-corrosion grease or paraffin and then wrapped with HDPE is referred to as unbonded pre-stressed steel strand.Pre-stressed steel strand, also known as nded steel strand, is available in galvanized or galvanized aluminum alloy steel wire.

(2) Categorized by material characteristics

Steel wire rope, aluminum-coated steel wire rope, and stainless steel wire rope.

(3) By structural classification

Pre-stressed steel strand is categorized by the number of wires, including 7-wire, 2-wire, 3-wire, and 19-wire, with the 7-wire structure being commonly used.

Galvanized steel stranded wire and aluminum-clad steel stranded wire for electrical use are also categorized by the number of wires, such as 2, 3, 7, 19, 37, etc., with the 7-strand structure being commonly used.

(4) By Surface Coating Classification

It can be categorized into smooth steel strand, galvanized steel strand, epoxy-coated steel strand, aluminum-clad steel strand, copper-coated steel strand, and sheathed steel strand, etc.