round steel forged bars 34CrS4
Dia:200-800mm
MOQ:20t
UT Test:Sep 1921 Class C/c
MTC:manufacture inspection or third party certificate
34CrS4
EN 10083-3:2002, Number: 1.7037
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Comparasion of steel grades
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JUS C.B9.021
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?.4180, ?.41301
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DIN
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34CrS4
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BS
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-
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GOST
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-
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AISI
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5123
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UNI
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-
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NF
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(32 C 4 u)
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Chemical analysis -% by mass
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Chemical elements
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C
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Si
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Mn
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P
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S
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Cr
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%, by mass
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0,30 - 0,37
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? 0,40
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0,60 - 0,90
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max 0.025
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0.020-0,040
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0,90-1,20
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Permissible deviation
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± 0.02
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± 0,03
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± 0,04
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+ 0.005
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± 0.005
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± 0.05
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Mechanical properties in the quenchedand tempered condition
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d ≤ 16mm oder t ≤ 8mm
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16mm < d ≤ 40mm
8mm < t ≤ 20mm
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40mm < d ≤ 100mm
20mm < t ≤ 60mm
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100mm < d ≤ 160mm
60mm < t ≤ 100mm
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160mm < d ≤ 250mm
100mm < t ≤ 160mm
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Re min (MPa)
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700
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590
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460
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-
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-
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Rm (MPa)
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900-1100
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800-950
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700-850
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-
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-
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A min. (%)
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12
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14
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15
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-
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-
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Z min. (%)
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25
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40
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45
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-
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-
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KV min. (J)
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35
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40
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40
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-
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-
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