Chrome Vanadium Collet Steel: EN 47

Approximate Other Equivalents

Is : T55Cr70V15 VISL : M - CrV AISI : 5152 & 5155
DIN : 50CrV4 & 58CrV4

CHEMISTRY

QUALITY C Si Mn Cr V P & S
EN - 47 0.5 0.1 0.5 0.9 0.15 0.055
  0.55 0.35 0.8 1.2 0.3 MAX

SPECIFIC HEAT TREATMENT

Our Colour Code: WHITE / BLACK

QUALITY EN - 47
Forging Temperature 1050 to 850ºC
Annealing Temperature 680 to 720ºC (Soft Annealing)
Annealed Hardness BHN Max 224 BHN
Hardening Temperature 860 to 900ºC (Water)
Quenching Media Water
Obtainable Hardness R.C. ----
Working Hardness HRC. ----
Tempering Temperature 670 to 530ºC
Normalising Temperature 860 to 900ºC

Application

Used in Oil Hardening Spring Steel having deep Hardenability than Silicon Manganeses Spring steels. Suitable for High and Heavy duty valute & leaf springs for Heavier Engine valve Springs. It is not as susceptable to decarburisations as Billets of Silico Manganeses Spring Steel & other Similar Grades.

List of Standard Size

Round: Ø 12mm - Ø 2

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Note:

1. Specification & Sizes not mentioned in the Stock List may be Enquired to enable us to offer the same

2. Cutting Facility Available upto 600 MM Dia.