30CrNiMo8 is hardened and tempered steel under the Germany standard .
30CrNiMo8 round bar has high Yield strength, tensile strength and fatigue strength, it also had enough plasticity and toughness.
The delivery condition 30CrNiMo8 round bars are:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
The size for 30CrNiMo8 round bar which available for our KUNFENG steel are Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar ,the length range is from 3000 to 12000mm.
The tolerance of the diameter is -0/+3mm ,The tolerance of the length is -0/+20mm.and the straightness tolerance is ≤3mm/m surface delivery status: black/polishing/turning
The UT standard what we can do are Chinese standard of GB/T 6402 I.II,III and export standard SEP1921 CLASS C/C,D/D,E/E.
The more information of 30CrNiMo8 hot rolled and forged round bar shown in the following table:
Chemical composition % of the ladle analysis of grade 30CrNiMo8 (1.6580)
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
0.26 - 0.34 |
max 0.4 |
0.5 - 0.8 |
1.8 - 2.2 |
max 0.025 |
max 0.035 |
1.8 - 2.2 |
0.3 - 0.5 |
Equivalent grades of grade 30CrNiMo8 (1.6580)
Germany |
France |
England |
China |
Russia |
International |
30CrNiMo8 |
30CND8 |
823M30 |
30Cr2Ni2Mo |
3KH3M3F |
31CrNiMo8 |
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