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36SMn14 - Nr.1.0764

A classic quenched and tempered free-cutting steel with the addition of sulfur only, it offers improved hardenability to ensure better machinability; it is also available in the quenched and tempered condition upon request.

References and Comparable Standards

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°      
36SMn14 1.0764 CF35SMn10 - - 35MF6 216M36 1137

Chemical Composition (Cast Analysis) (%)

C Si / max Mn P / max S
0,32÷0,39 0,40 1,30÷1,70 0,060 0,10÷0,18

Mechanical Properties - As Rolled Condition

Size
(mm)		 as Rolled and/or as Rolled + Turned (+SH) as Rolled and/or as Rolled + Turned + Quenched + Tempered (+SH +QT)
Hardness HB max Rm (MPa) Rp0,2 (MPa) min Rm (MPa) A5 (%) min
5≤d≤10 225* 580÷770* 480 700÷850* 14*
10<d≤16 225* 580÷770* 460 700÷850* 14*
16<d≤40 219 560÷750 420 670÷820 15
40<d≤63 216 560÷740 400 640÷790 16
63<d≤100 216 550÷740 360 570÷720 17

*Values valid only for hot rolled products
For size <5 mm the mechanical properties may be agreed at the time of enquiry and order

Mechanical Properties – Bright Steel

Size
(mm)		 Cold Drawn (+C) Quenched + Tempered + Peeled (+QT +SH)* Quenched + Tempered + Cold Drawn (+QT +C)
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≤10 500 660÷960 6 - - - 525 750÷1000 6
10<d≤16 440 620÷920 6 - - - 520 740÷990 6
16<d≤40 390 600÷900 7 420 670÷820 15 505 720÷970 8
40<d≤63 360 580÷840 8 400 640÷790 16 475 680÷930 9
63<d≤100 340 560÷820 9 360 570÷720 17 405 580÷840 9


* This values are valid also for Cold Drawn - Quenched + Tempered Condition (+C +QT)
For size <5 mm the mechanical properties may be agreed at the time of enquiry and order

Working Temperatures Recommended

Operation °C
Hot forgings deformation 950÷1200
Normalizing 860÷890
Soft annealing  650÷700
Quenching in oil 850÷880
Quenching in water 820÷840
Tempering 540÷680
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