C45R steel plate
C45R steel plate
C45R steel
|C45R EN 10083-2:2002, Number: 1.1201 |Comparison of steel grades |
| |JUS |(Č.1580) |
| |DIN |(Cm45) |
| |BS |(080M46) |
| |GOST |- |
| |AISI |(1049) |
| |UNI |- |
| |NF |(XC48H1u) |
C45R Chemical analysis -% by mass
|Chemical elements |
|Symbol |mm |
| |1 |4 |5 |
|+HH4 +HH14 +HL4 +HL14 |- |41 to 60 |- |
| |57 to 62 |41 to 60 |- |
| |- |30 to 49 |- |
| |55 to 60 |30 to 49 |- |
Maximum hardness for products to be supplied in the ’’treated to improve shearability (+S)’’ or ’’soft annealed (+A)’’ condition
|+S (HB max.) |+A (HB max.) |
|255 |207 |
C45R Mechanical properties in the quenched and tempered condition (+QT)
| |Mechanical properties for the ruling sections (see prEN10083-1:2002, Annex A) with a diameter (d) or|
| |for flat products trickness (t) of |
| |d ≤ 16mm t ≤ 8mm |16mm < d ≤ 40mm 8mm < t ≤ 20mm |40mm < d ≤ 100mm 20mm < t ≤ 60mm |
|Re min (MPa) |490 |430 |370 |
|Rm (MPa) |700-850 |650-800 |630-780 |
|A min. (%) |14 |16 |17 |
|Z min. (%) |35 |40 |45 |
|KV min. (J) |25 |25 |25 |
Mechanical properties in the normalized condition – (+N)
| |Mechanical properties for products with a diameter (d) or, for flat products trickness (t) of |
| |d ≤ 16mm t ≤ 16mm |16mm < d ≤ 100mm 16mm < t ≤ 100mm|100mm < d ≤ 250mm 100mm < t ≤ |
| | | |250mm |
|Re min. (MPa) |340 |305 |275 |
|Rm min. (MPa) |620 |580 |560 |
|A min. (%) |14 |16 |16 |
Hardness of surface hardened zones for special steels intended for flame and induction hardening
HRC min. 55
C45R Heat treatment conditions
|Quenching 0C |Quenching agent |Tempering temperature 0C|Hardening temperature in|Normalizing 0C |
| | | |the end quench test 0C | |
|820-860 |Water or oil |550-660 |8500±5 |840 to 900 |
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