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C 4270

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Yugoslavia JUS C4270 Valve steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C4270 / C 4270
Category Grade Standard Region/Area Standard Content
Metals C 4270 -- Yugoslavia Valve steels

Chemical composition(mass fraction)(wt.%) of the C 4270

Element Min Max Similar
Si - - 3.2000
Mn - - 0.5000
Cr - - 9.5000
C - - 0.4500

Mechanical Properties of steel grade C 4270

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
216 (≥) 131 (≥) 32 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade C 4270

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
41 - -     0.33 -  
567 814 - 24.3 344   -  
371 - 13 32.2   334 431

Heat Treatment of steel grade C 4270

Heat treated : 1916°C - 1912°C

Technological Curves of steel grade C 4270

Cross Reference Table (Equivalent Grade) of C 4270

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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