Catalogue of produce
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GOST 9389-75 Spring Wire
Spring wire is produced to ensure manufacturing of springs that have been coiled under cold conditions and are not exposed to hardening process. The wire is produced of steel grade 50-85. According to the manufacturing accuracy the wire is produced of two types: regular and upgrade. The wire is made of marks A,Б,В of class 1,2,3 depending on mechanical characteristics. Wire is delivered in bundles of 20-100 kg. It may be delivered in soft or hard package.
Mechanical Properties.
Diameter, mm | Point of maximum load, N/mm2 (kgf/ mm2) | Variation in a lot, kgf/ mm2, not more than | ||||||
Class | Mark A | Mark Б | Mark B | |||||
1 | 2 | 3 | 1 | 1,2,3 | 1 | 2 | 3 | |
Class | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
0.50 | “ | 27 | “ | “ | “ | |||
0.60 | “ | 24 | “ | “ | “ | |||
0.63 | 170-220 | “ | “ | 40 | “ | |||
0.70 | “ | “ | “35 | “ | “ | |||
0.80 | 170-215 | 23 | 30 | 45 | 45 | |||
0.90 | 165-205 | 23 | “ | 40 | 50 | |||
1.0 | 160-210 | 22 | “ | “ | “ | |||
1.2 | 155-200 | 21 | 30 | “ | 45 | |||
1.4 | 230-260 | 195-230 | 150-195 | 20 | “ | 35 | 45 | |
1.6 | 220-250 | 190-220 | 145-190 | 20 | 25 | 30 | 45 | |
2.2 | 195-220 | 170-195 | 135-170 | “ | “ | 25 | 35 | |
2.5 | 185-210 | 165-190 | 130-165 | “ | “ | “ | “ | |
2.8 | 180-205 | “ | “ | “ | “ | “ | “ | |
3.0 | 175-200 | “ | “ | “ | “ | “ | “ | |
3.6 | 170-195 | 180-155 | 125-155 | - | - | “ | 30 | |
4.0 | - | 150-175 | 120-150 | - | - | - | - | |
8.0 | - | 125-145 | 105-125 | - | - | - | - |
Diameter, mm | Number of twisting not less than | |||||
Mark A, Б | Mark B | |||||
1 | 2 | 3 | 1 | 2 | 3 | |
Class | ||||||
10 | 11 | 12 | 13 | 14 | 16 | 16 |
0.50 | 20 | 16 | 19 | 19 | ||
0.60 | “ | “ | 18 | 18 | ||
0.63 | “ | “ | “ | “ | ||
0.70 | “ | “ | “ | “ | ||
0.80 | 20 | 16 | 17 | 17 | ||
0.90 | “ | “ | “ | “ | ||
1.0 | “ | “ | “ | “ | ||
1.2 | “ | “ | “ | “ | ||
1.4 | 20 | 20 | 20 | 16 | 17 | 17 |
1.6 | “ | “ | “ | “ | “ | “ |
2.2 | 15 | 15 | 15 | 13 | 15 | 15 |
2.5 | “ | “ | “ | 12 | “ | “ |
2.8 | “ | “ | “ | 11 | 14 | 14 |
3.0 | “ | “ | ‘” | 10 | 13 | 13 |
3.6 | “ | “ | “ | 7 | 13 | 13 |
4.0 | - | 13 | 13 | |||
8.0 | - | - | - | - | - | - |