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No. Name D/mm Grade/MPa Standard
1 Steel Strand for Prestressed Concrete 9.50 1860/1960 GB/T 5224
11.10
12.70
15.20 1860/1960
15.70 1770/1860
17.80 1720/1860
2 Compact Strand 12.70 1860
15.20 1820
18.00 1720
3 Unbonded Prestressing Steel Strand 9.50 1860/1960 JG 161
12.70 1860/1960
15.20 1860/1960
15.70 1770/1860
4 19-Wire Steel Strand 19.30 1860 JIS G3536 GB/T 5224
20.30 1830/1860
21.80 1830/1860
5 Steel Wire for Prestressed Concrete 7.00 1670/1770 GB/T 5223
6 Hot-dip Galvanized Steel Wires for Bridge Cables 5.00 1670/1770  GB/T 17101、
NF A35-035
7.00 1670/1770
7 High Strength Low Relaxation Hot-dip Galvanized Steel Strand for Prestress 12.50 1770/1860 YB/T 152—1999
NF A35-035
12.90 1770/1860
15.20 1770/1860
15.70 1770/1860
8 Unbonded Hot-dip Galvanized Steel Strand for Prestress 15.20 1770/1860 Technical agreement
15.70 1770/1860
Note: steel strand and galvanized products of various specifications and grades can also be produced according to ASTM, ISO, BS, JIS and other standards