5s21 Aircraft Steel S21

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Quality - BS EN ISO 9001:2000

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Data Sheet:

Non-Corrosion Resisting Steel 5S21

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	Others
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	Others
AMS 5070	0.18 / 0.23	0.15 / 0.30	0.70 / 1.00	0.040P 0.050S	-
AFNOR XC18SN	0.15 / 0.22	0.25 max	0.40 / 0.65	0.040P 0.035S	-
AISI 1022	0.18 / 0.23	0.15 / 0.30	0.70 / 1.00	0.040P 0.050S	-
SIS 1450	0.25 max	0.10 / 0.40	0.40 / 0.80	0.050 max	-

SPECIFICATIONS

S21 is available in Bar.

MECHANICAL PROPERTIES

S21
Treatment	Tensile Strength Rm, tonf/in²	Elongation in 5.65√Cross Sectional Area (%)
Normalised	25 / 35	20
Cold Drawn	28	12

Disclaimer

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

E-mail sales@aircraftmaterialsuk.com

Unit 7, Wycombe Industrial Mall, West End Street, High Wycombe, Bucks, HP11 2QY, UK

Tel. 44 (0) 1494 857823

Tel. 44 (0) 8707 655 225/6 Fax. 44 (0) 8707 652 267/8