EN 10277-5 Mechanical properties

EN 10277-5 Steels for quenching and tempering – Mechanical properties

Steel description Mechanical properties
Symbolic Numeric Thickness Rolled + Peeled (+SH) Cold drawn (+C)
Hardness (HBW) Rm (Mpa) LE (Mpa) Rm (Mpa) A (%)
C35E
C35R
1.1181
1.1180
5 ≤ e ≤ 10 – – – > 510 650 ÷ 1000 6
10 < e ≤ 16 – – – > 420 600 ÷ 950 7
16 < e ≤ 40 154 ÷ 207 520 ÷ 700 > 320 580 ÷ 880 8
40 < e ≤ 63 154 ÷ 207 520 ÷ 700 > 300 550 ÷ 840 9
63 < e ≤ 100 154 ÷ 207 520 ÷ 700 > 270 520 ÷ 800 9
C40E
C40R
1.1186
1.1189
5 ≤ e ≤ 10 – – – > 540 700 ÷ 1000 6
10 < e ≤ 16 – – – > 460 650 ÷ 980 7
16 < e ≤ 40 163 ÷ 211 550 ÷ 710 > 365 620 ÷ 920 8
40 < e ≤ 63 163 ÷ 211 550 ÷ 710 > 330 590 ÷ 840 9
63 < e ≤ 100 163 ÷ 211 550 ÷ 710 > 290 550 ÷ 820 9
C45E
C45R
1.1191
1.1201
5 ≤ e ≤ 10 – – – > 565 750 ÷ 1050 5
10 < e ≤ 16 – – – > 500 710 ÷ 1030 6
16 < e ≤ 40 172 ÷ 242 580 ÷ 820 > 410 650 ÷ 1000 7
40 < e ≤ 63 172 ÷ 242 580 ÷ 820 > 360 630 ÷ 900 8
63 < e ≤ 100 172 ÷ 242 580 ÷ 820 > 310 580 ÷ 850 8
C50E
C50R
1.1206
1.1241
5 ≤ e ≤ 10 – – – > 590 770 ÷ 1100 5
10 < e ≤ 16 – – – > 520 730 ÷ 1080 6
16 < e ≤ 40 181 ÷ 269 610 ÷ 910 > 440 690 ÷ 1050 7
40 < e ≤ 63 181 ÷ 269 610 ÷ 910 > 390 650 ÷ 1030 8
63 < e ≤ 100 181 ÷ 269 610 ÷ 910 – – – – – – – – –
C60E
C60R
1.1221
1.1223
5 ≤ e ≤ 10 – – – > 630 800 ÷ 1150 5
10 < e ≤ 16 – – – > 550 780 ÷ 1130 5
16 < e ≤ 40 198 ÷ 278 670 ÷ 940 > 480 730 ÷ 1100 6
40 < e ≤ 63 198 ÷ 278 670 ÷ 940 – – – – – – – – –
63 < e ≤ 100 198 ÷ 278 670 ÷ 940 – – – – – – – – –
The properties of rest of the qualities found in this standard and identified in the chemical composition are based on a thermal treatment. In Rugui we do not perform these treatments, so the properties of these steels shall be discussed when placing the order.

Go back to Grades / Types of steel