EN 10083-2 – MECHANICAL PROPERTIES: LE, RM AND A

EN 10083-2 – Mechanical properties: LE, Rm and A

Steel description d ≤ 16 mm 16 < d ≤ 100 mm Thermal treatment
t ≤ 16 mm 16 < t ≤ 100 mm
Symbolic Numeric LE (MPa) Rm (MPa) A (%) LE (MPa) Rm (MPa) A (%) Standardised (ºC)
High-quality steel
C35 1.0501 > 300 > 550 > 18 > 270 > 520 > 19 860 ÷ 920
C40 1.0511 > 320 > 580 > 16 > 290 > 550 > 17 850 ÷ 910
C45 1.0503 > 340 > 620 > 14 > 305 > 580 > 16 840 ÷ 900
C55 1.0535 > 370 > 680 > 11 > 330 > 640 > 12 825 ÷ 885
C60 1.0601 > 380 > 710 > 10 > 340 > 670 > 11 820 ÷ 880
Special steels
C22E 1.1151 > 240 > 430 > 24 > 210 > 410 > 25 880 ÷ 940
C22R 1.1149
C35E 1.1181 > 300 > 550 > 18 > 270 > 520 > 19 860 ÷ 920
C35R 1.1180
C40E 1.1186 > 320 > 580 > 16 > 290 > 550 > 17 850 ÷ 910
C40R 1.1189
C45E 1.1191 > 340 > 620 > 14 > 305 > 580 > 16 840 ÷ 900
C45R 1.1201
C50E 1.1206 > 355 > 650 > 13 > 320 > 610 > 14 830 ÷ 890
C50R 1.1241
C55E 1.1203 > 370 > 680 > 11 > 330 > 640 > 12 825 ÷ 885
C55R 1.1209
C60E 1.1221 > 380 > 710 > 10 > 340 > 670 > 11 820 ÷ 880
C60R 1.1223
28Mn6 1.1170 > 345 > 630 > 17 > 310 > 600 > 18 850 ÷ 890

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Chemical composition

Rockwell C Hardness (HRC) with normal hardenability requirements (+H)

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Ability to shear (+S) or annealing (+A)

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