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30CrNiMo8 hot rolled round bars and forged round bars

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  • 11-May-2024

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
DIN,WNr

France
AFNOR

England
BS

China
GB

Russia
GOST

International
ISO

30CrNiMo8

30CND8

823M30

30Cr2Ni2Mo

3KH3M3F

31CrNiMo8

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