EN 10083 C40 steel plate high carbon Spring steel

EN 10083 C40 steel
C40 steel is high carbon Spring steel , EN 10083 C40 steel plate, under EN 10083 standard, we can regard C40 steel plate as high carbon steel. C40 steel plate is one mainly of high carbon steel,EN 10083 C40 steel plate is meduim Carbon Steels are similar to low carbon steel except that the carbon ranges from 0.30 to 0.60% & the manganese from 0.50 to 1.65%. Increasing the carbon content is approximately 0.5% with an accompanying increase in manganese allows medium carbon steels to be used in the quenched & tempered conditions. This steels are of particular importance because of unique combination of strength & toughness after heat treat treatment.
C40 EN 10083-2 Number: 1.0511 Comparison of steel grades
JUS Č.14341
BS 080M40, EN8
AISI 1040
UNI C40,
NF (AF60C40), (1C40)
C40 steel plate Chemical analysis:
Chemical elements C Si max. Mn P max. S max. Cr max. Mo max. Ni max. Cr+Mo+Ni max.
%, by mass 0,37-0,44 0,40 0,50-0,80 0,045 0,045 0,40 0,10 0,40 0,63
Permissible deviation ± 0,02 + 0,03 ± 0,04 + 0,005 + 0,005 + 0,05 + 0,03 + 0,05  
At the option of the manufacturer the elements aluminium, titanium, vanadium and niobium may be added singly or in combination for grain size control purposes.Elements not quoted in table shall not be added to the steel without the agreement of the purchaser, except for the purpose of finishing the heat. C40 steel plate Mechanical properties
Thickness of ruling section tR
Diameter in mm tR≤ 100mm 100< tR≤250mm 250< tR≤500mm 500< tR≤1000mm
Remin (N/mm2) 290 260 - -
Rmmin (N/mm2) 550 530 - -
A % min. l-longitudinal 17 17 - -
tr -transverse - - - -
KV min * (J) l-longitudinal - - - -
tr -transverse - - - -
1N/mm2=1MPa Heat treatment conditions
Quenching Temperature,0C Cooling medium Tempering Temperature,0C Normalizing temperature,0C
830 to 870 Water or oil 550 to 660 850 to 890
we also can supply C35,C35K,C45,please contact us if you need. we are a professional C40 steel exporter and a steel Stockist in china. We keep more than 1000 tons C40 steel in stock every month. If you want to get the C40 steel price, please do not hesitate to contact us. Any need in C40 Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.

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