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11SMn30   ( 1.0715 )

    Grade :     11SMn30
    Number:     1.0715
    Classification:     Non-alloy quality steel not intended for heat treatment
    EN 10277-3: 2008 Bright steel products. Technical delivery conditions. Free-cutting steels
    EN 10087: 1999 Free cutting steels. Technical delivery conditions for semi-finished products, hot rolled bars and rods
    Equivalent grades:     Go here

Chemical composition %   of   steel   11SMn30 (1.0715):   EN 10277-3-2008
If, by metallurgical techniques, the formation of special oxides is guaranteed, a Si content of 0.10 to 0.40 % can be agreed
Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of the finishing the heat. However, elements such as Te, Bi etc., may be added by the manufacturer for improving the the machinability, if this has agreed at the time of enquiry and order.
C Si Mn P S
max   0.14max   0.050.9 - 1.3max   0.110.27 - 0.33

Mechanical properties of   steel   11SMn30 (1.0715)

Nominal thickness (mm):   5 - 1010 - 1616 - 4040 - 6363 - 100
Rm - Tensile strength (MPa) (+C)510-810490-760460-710400-650360-630

Nominal thickness(mm):   5 - 1010 - 1616 - 4040 - 6363 - 100
Rp0.2 0.2% proof strength (MPa) (+C)440410375305245

Nominal thickness (mm):     5 - 1010 - 1616 - 4040 - 100
A - Min. elongation at fracture (%) (+C)6789

  Brinell hardness   (HBW):   (+SH)107 - 169

Properties of   steel   11SMn30 (1.0715)
Weldability: Due to the high sulphur and phophorus content free-cutting steels not destined to heat treatment are not generally recommended for welding.
Machinability: This steel grade is marked by a good machinability on machine tools and by an easy fragmentation of chips.

Equivalent grades of   steel   11SMn30 (1.0715)
Warning! Only for reference

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Mechanical properties
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

Heat treatment conditions

+A Soft annealed
+AC Annealed to achieve spheroidization of the carbides
+AR As rolled
+AT Solution annealed
+C Cold drawn / hard
+CR Cold rolled
+FP Treated to ferrite-pearlite structure and hardness range
+I Isothermal annealing
+LC Cold drawn / soft
+M Thermo mechanical rolling
+N Normalized
+NT Normalized and tempered
+P Precipitation hardened
+PE Peeled
+QA Air quenched and tempered
+QL Liquid quenched and tempered
+QT Quenched and tempered
+S Treated to improve shearability
+SH As rolled and turned
+SR Cold drawn and stress relieved
+T Tempered
+TH Treated to hardness range
+WW Warm worked
+U Untreated

Non-alloy quality steel not intended for heat treatment
Chemical composition of   steel   11SMn30 (1.0715), Standards of   steel   11SMn30 (1.0715)
Mechanical Properties of   steel   11SMn30 (1.0715) Equivalent grades of   steel   11SMn30 (1.0715)
Tensile Strength, Elongation, Proof strength, Hardness

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