Products

(38SMn28+Se) - Nr.1.0760

Tellurium-Alloyed Free-Cutting Steel

Free-cutting steel with an average carbon content; the addition of tellurium allows an even better machinability.

Standard Reference: EN ISO 683-4: 2018 (Hot-rolled products) | EN 10277: 2018 (Bright products)

EUROPE		ITALY	GERMANY		FRANCE	UK	USA
EN 10087: 1998 EN 10277-3: 2008		(UNI 4838-80)	(DIN 1651-88)		(NF A 35-561-92)	(BS 970 pt.3-91)	ASTM A 29
Grade	N°		Werkstoff	N°
(38SMn28+Se)	(1.0760)	-	-	-	-	-	-

C	Si / max	Mn	P / max	S	Se
0,35÷0,40	0,40	1,20÷1,50	0,060	0,24÷0,33	0,010÷0,020

Size (mm)	as Rolled and/or as Rolled + Turned (+SH)		as Rolled and/or as Rolled + Turned + Quenched + Tempered (+SH +QT)
Size (mm)	Hardness HB max	Rm (MPa)	Rp0,2 (MPa) min	Rm (MPa)	A5 (%) min
5≤d≤10	228*	580÷780*	480	700÷850*	15*
10<d≤16	219*	580÷750*	460	700÷850*	15*
16<d≤40	213	560÷730	420	700÷850	15
40<d≤63	213	560÷730	400	700÷850	16
63<d≤100	204	550÷700	380	630÷800	16
*Values valid only for hot rolled products Note: For size <5 mm the mechanical properties may be agreed at the time of enquiry and order.

Size (mm)	Cold Drawn (+C)			Quenched + Tempered + Peeled (+QT +SH)*			Quenched + Tempered + Cold Drawn (+QT +C)
Size (mm)	Rp0,2 (MPa) min	Rm (MPa)	A5 (%) min	Rp0,2 (MPa) min	Rm (MPa)	A5 (%) min	Rp0,2 (MPa) min	Rm (MPa)	A5 (%) min
5≤d≤10	550	700÷960	6	-	-	-	595	850÷1000	9
10<d≤16	500	660÷930	6	-	-	-	595	850÷1000	9
16<d≤40	420	610÷900	7	420	700÷850	16	490	700÷900	11
40<d≤63	400	600÷840	7	400	700÷850	16	490	700÷900	12
63<d≤100	350	580÷820	8	380	630÷800	16	490	700÷900	12
*This values are valid also for Cold Drawn - Quenched + Tempered Condition (+C +QT). Note: For size <5 mm the mechanical properties may be agreed at the time of enquiry and order.