DIN 17222 C60 1.0601 Cold Rolled Steel Strips for Springs
Cold rolled steel strip for springs is distinguished by high dimensional accuracy and good surface quality and, in the cold rolled + hardened + tempered condition (H + A) offers the possibility of achieving high values of hardness, tensile strength and elastic limit.
C60 1.0601 Introduce
C60 1.0601 steel is an unalloyed medium carbon engineering steel which has 0.57%-0.65% Carbon. It will obtain high hardness and high strength after hardening due to the relatively high carbon content.
C60 1.0601 Dimensions and permissible deviations
Thickness: 0.1 to 4mm; Tolerances: +/- 0.008 to 0.11 mm
Width: 10 to 600mm; Tolerances: +/- 0.15 to 0.60mm
C60 1.0601 Equivalent Grade
| Steel grade according to DIN 17 222 | Comparable grade according to EURONORM 132 |
| Code number | Material number |
| C60 | 1.0601 | 1 CS60 |
C60 1.0601 Chemical composition
| Steel number | grade number | C | Si | Mn | P | S |
| C60 | 1.0601 | 0.57 to 0,65 | 0,15 to 0,35 | 0,60 to 0,90 | 0,045 | 0,045 |
C60 1.0601 Treatment condition on delivery
Cold rolled + soft annealed : G
Cold rolled + hardened + tempered : H + A
C60 1.0601 Mechanical properties in the cold rolled + soft annealed condition G
| Steel number | grade number | Tensile strength N/mm2 maximum | Elongation at break (L = 80 mm) % minimum | Vickers hardness maximum |
| C60 | 1.0601 | 620 | 13 | 185 |
C60 1.0601 Tensile strength in the cold rolled + hardened + tempered condition (H + A)
| Steel number | grade number | Tensile strength N/mm2 |
| C60 | 1.0601 | 1180 to 1680 |
C60 1.0601 Vickers hardness in the cold rolled + hardened + tempered condition (H + A)
| Steel number | grade number | Vickers hardness |
| C60 | 1.0601 | 350 to 500 |
C60 1.0601 Surface condition
Strip to be supplied in the
1 cold rolled + soft annealed G or
2 cold rolled + soft annealed + cold rolled (G + K) condition
must have a bright, metallically clean surface.
Cold rolled + hardened + tempered (H + A) strip is supplied, as agreed at the time of ordering, with
1 grey-blue (GR),
2 bright (8K),
3 polished (P) or
4 polished and colour-tempered (P & AF) surface.
C60 1.0601 Types of heat treatment
Approximate values for heat treatment and minimum hardness values in the hardened condition of cold rolled steel strips for springs
| Steel number | grade number | Annealed °C | Hardened in oil at °C | Tempered to °C | Vickers hardness in hardened condition minimum |
| C60 | 1.0601 | 650 to 690 | 825 to 855 | 300 to 500 | 670 |
C60 1.0601 Acceptance testing and test certificates
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
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C60 1.0601 Cold Rolled Steel Strip Images
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