Spring wire
Qualitative indicators
Diameter, mm | Chemical indicators,% | Mechanical properties | |||||||
C | Mn | Si | P | S | Cr | B | Tensile strength, Mpa | Number of twists | |
1.40 | 0.52 | 0.62 | 0.2 | 0.013 | 0.010 | 0.03 | 0.0016 | 1750-2000 | ≥15 |
Compliance with GOST 9389-75. Steel grade 65. Coil weight ≈ 110 kg.
Diameter, mm | Chemical indicators,% | Mechanical properties | |||||||
C | Mn | Si | P | S | Cr | B | Tensile strength, Mpa | Number of twists | |
1.80 | 0.72 | 0.45 | 0.19 | 0.008 | 0.011 | 0.03 | 0.0019 | 1800-2000 | ≥15 |
Compliance with GOST 9389-75. Steel grade 65-70. Coil weight ≈ 185-500 kg.
Diameter, mm | Chemical indicators,% | Mechanical properties | |||||||
C | Mn | Si | P | S | Cr | B | Tensile strength, Mpa | Number of twists | |
2.20 | 0.62 - 0.75 |
0.48 | 0.23 | 0.010 | 0.004 | 0.03 | 0.0023 | 1800-2000 | ≥15 |
Compliance with GOST 9389-75. Steel grade 65-70. Coil weight ≈ 550 - 1000 kg.