Products

46SPb20

High-Carbon Sulfur-Lead Quenched and Tempered Steel

Steel with the addition of sulfur and lead; the higher carbon content gives this quenched and tempered steel greater mechanical characteristics.

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°
46SPb20	1.0757	-	45SPb20	1.0757	-	-	-

C	Si / max	Mn	P / max	S	Pb
0,42÷0,50	0,40	0,70÷1,10	0,060	0,15÷0,25	0,15÷0,35

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	234*	590÷800*	490	700÷850*	12*
10<d≤16	228*	590÷780*	490	700÷850*	12*
16<d≤40	222	590÷760	430	650÷800	13
40<d≤63	213	580÷730	370	630÷780	14
63<d≤100	207	560÷710	370	630÷780	14
*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	570	740÷980	5	-	-	-	595	850÷1000	8
10<d≤16	470	690÷930	6	-	-	-	560	800÷950	9
16<d≤40	400	640÷880	7		650÷800	13	490	700÷850	10
40<d≤63	380	610÷850	8	410	630÷780	14	490	700÷850	11
63<d≤100	340	580÷820	8	400	630÷780	14	455	650÷850	11
*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.