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Home > Products > Hot-rolled products > Steel grades > Case-hardened steels

Case-hardened steels

Usage

When either hot- or cold-rolled, casehardened steels are predominantly used for transmission parts (Plate springs, clutch disks, 16MnCr5 view image). The hot-rolled steels offer good punching quality and formability. After case-hardening, the finished components have a very strong core, whereas the surface is characterised by good wear-resistance.
As the melting and hot-rolling conditions have an effect on further treatment at the customer, the customer should always state the intended use when placing an order.

Standards

Europe	Material no.	D	F	I	GB	E	USA	J	FK¹⁾
EN 10084		DIN 17210	NFA 35-551	UNI 8788	BS 970-1	UNE 36013	SAE J 403/ J 1249/ J 404	JIS G 4051
C10E	1.1121	Ck 10	XC 10	C 10	045 M 10	C 10 k	1010	S 10 C	A
C15E	1.1141	Ck 15	-	C 15	-	C 16 k	1015	S 15 C	A
C16E	1.1148	-	XC 18	-	080 M 15	-	-	-	A
16MnCr5	1.7131	16 Mn Cr 5	16 MC 5	16 MnCr 5	590 M 17	16 Mn Cr 5	5115	-	B
20MnCr5	1.7147	20 Mn Cr 5	20 MC 5	20 MnCr 5	-	-	5120	S MnC 21 H	B

¹⁾ FK = Tensile strength class

Chemical composition in percent by weight [%] (Heat analysis)

Grade	C	Si	Mn	P	S	Cr
		max.		max.	max.
C10E	0.07- 0.13	0.40	0.30 - 0.60	0.035	0.035	-
C15E	0.12 - 0.18	0.40	0.30 - 0.60	0.035	0.035	-
C16E	0.12 - 0.18	0.40	0.60 - 0.90	0.035	0.035	-
16MnCr5	0.14 - 0.19	0.40	1.00 - 1.30	0.025	0.035	0.80 -1.10
20MnCr5	0.17 - 0.22	0.40	1.10 - 1.40	0.025	0.035	1.00 -1.30

Condition of delivery, scope of testing and certificate

The provisions of EN 10084, chapters 6.4.1 und 7 shall apply for delivery and inspection. All case-hardened steels are delivered in a hot-rolled and untreated condition.

Certificates according to DIN EN 10204 can be supplied as follows: IT, DUN, FAX, e-mail, paper.

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