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Annealed spring steel wire
GOST 1) 1071-81
Application area:
The wire is intended for (valve) spring manufacture.
The 65MnA steel grade is used for manufacture of
wire class 1 and 2. Class 1 wire may be
manufactured of the 15CrVA steel grade.
Chemical composition is given in Table 1.
Gauges and tolerances Table 46.
Wire diameter,
mm
1) GOST = Russian State Standard
Diameter tolerance,
mm (standard accuracy
/high accuracy)
3.0 ±0.03/+0.03-0.02
3.2 – 3.4
Severstal-metiz, Product Catalogue
Tensile strength, N/mm 2
Class 1 Class 2
1570 – 1720 1570-1860
3.5 – 3.6 1470 – 1620 1470 – 1770
3.75 – 4.0 1420 – 1570 1420 – 1720
±0.04/+0.03-0.02
4.1 – 4.5 1370 – 1520 1370 – 1670
4.8 – 5.0 1320 – 1470 1320 – 1620
5.5 1270 – 1420 1270 – 1570
Wire is hardened by chilling, and tempered on given
lengths. Wire is shipped in coils with inside diameter
not less than 400 mm with preservative oil.
• 0.30 – 4.0 mm –
inner diameter 600 mm or 1200 mm
• 4.1 – 5.5 mm – inner diameter 1200 mm
• coil weight can be 40 –50 kg, and up to 80 kg
• wrapping – paraffin paper + wrapping cloth
ANNEALED SPRING STEEL WIRE
Medium- &
high-carbon
steel wire
© Severstal-metiz, 2006. © Anordica AB, 2006. Illustrations/photos are just examples. The package design can be different depending on technical specifications and customer order. April 2006, EN3
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