Steel wire rod

Hot-rolled carbon and alloy spring steel in coils

Range:
Ø 5,5; 6,0; 6,5; 7,0; 7,5; 8,0; 9,0; 9,5; 10,0; 11,0; 11,5; 12,0; 12,5 mm
Steel grade:
65, 70, 75, 80, 60G, 65G, 70G
Standard:
GOST 14959-79

Steel grade The mechanical properties, no less
Yield strength δt N/mm2(kgf/mm2) Tensile strength δB N/mm2 (kgf/mm2) Relative elongation δ, % Contraction ψ, %
65 785 (80) 980 (100) 10 35
70 835 (85) 1030 (105) 9 30
75 885 (90) 1080 (110) 9 30
80 930 (95) 1080 (110) 8 30
85 980 (100) 1130 (115) 8 30
60G 785 (80) 980 (100) 8 30
65G 785 (80) 980 (100) 8 30
70G 835 (85) 1030 (105) 7 25

In coils with single banding by steel strap 0,8-1,0х32 mm or by wire rod 8.0 mm in 4 places min. equally distributed over coil. Outer diameter of a coil –1300 mm max., inner diameter – 820 mm min.

Option 1 – coil weight 1400-1800 kg.
Option 2 – coil weight 1800-2500 kg.

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