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Non-Corrosion Resisting Steel 5S21
Technical Data Sheet
| Chemical Composition Limits | |||||
| Weight% | C | Si | Mn | P+S max | Ni |
| 5S21 | 0.10-0.15 | 0.10-0.35 | 0.50-0.80 | 0.040 max | 0.04 max |
| Chemically similar British Specifications BS.970 Pt1 | |||||
| Weight% | C | Si | Mn | P+S max | Cr |
| 060A15 | 0.13-0.18 | 0.40 max | 0.50-0.70 | 0.050 max | - |
| 080A15 | 0.13-0.18 | 0.40 max | 0.70-0.90 | 0.050 max | - |
| 080M15 EN32C | 0.12-0.18 | 0.10-0.40 | 0.60-1.00 | 0.050 max | - |
| EN3 | 0.25 max | 0.05-0.35 | 1.00 max | 0.060 max | - |
| EN3D | 0.15-0.25 | 0.05-0.35 | 0.60-1.00 | - | - |
| Other Chemically similar Specifications | |||||
| Weight% | C | Si | Mn | P+S max | Cr |
| AMS 5070 | 0.18-0.23 | 0.15-0.30 | 0.70-1.00 | P 0.040 S 0.050 | - |
| AFNOR XC18SN | 0.15-0.22 | 0.25 max | 0.40-0.65 | P 0.040 S 0.035 | - |
| AISI 1022 | 0.18-0.23 | 0.15-0.30 | 0.70-1.00 | P 0.040 S 0.050 | - |
| SIS 1450 | 0.25 max | 0.10-0.40 | 0.40-0.80 | 0.050 max | - |
Typical Mechanical Properties
| Grade | Treatment | Tensile Strength Rm (tonf/in²) | Elongation in 5.65 √Cross Sectional Area % | Ruling Section |
| S21 | Normalised | 25/35 | 20 | 6" |
| S21 | Cold Drawn | 28 | 12 | 6" |
Availability
Alloy S21 is available in Bar. For all stock availability contact Sales.
