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UNI 41 Cr 4 KB

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UNI 40 NiCrMo 7 KB UNI 55 Si 8
#UNI #41 #Cr #4 #KB

Description

UNI 41 Cr 4 KB Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: UNI 41 Cr 4 KB
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel UNI 41 Cr 4 KB
UNI 35 CrMo 4 F
UNI 38 Cr 4 KB
UNI 38 CrB 1 KB
UNI 38 CrMo 4
UNI 38 CrMo 4 KB
UNI 40 Cr 4
UNI 40 CrMo 4
UNI 40 NiCrMo 2 KB
UNI 40 NiCrMo 7
UNI 40 NiCrMo 7 KB

Chemical composition(mass fraction)(wt.%) of the UNI 41 Cr 4 KB

Element Weight %
C 0.32-0.38
Mn 0.50-0.90
Cr 0.70-1.15
P 0.035
S 0.040
Si 0.15-0.30

Mechanical Properties of steel grade UNI 41 Cr 4 KB

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)
654 (≥) 686 (≥) 22 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade UNI 41 Cr 4 KB

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
12 - -     0.22 -  
176 948 - 43.3 443   -  
263 - 11 41.2   132 333

Heat Treatment of steel grade UNI 41 Cr 4 KB

Heat treated : 1616°C - 1572°C

Technological Curves of steel grade UNI 41 Cr 4 KB

Cross Reference Table (Equivalent Grade) of UNI 41 Cr 4 KB

Grade Standard Country Application
UnitempAF2-1 USA Martensitic special steel
UnitempHS AISI USA Martensitic special steel
H41 ASTM USA Alloy tool steel
T20841 UNS USA Alloy tool steel
T41902 UNS USA Alloy tool steel
T41904 UNS USA Alloy tool steel
T41905 UNS USA Alloy tool steel
T41906 UNS USA Alloy tool steel
T41907 UNS USA Alloy tool steel
M41 ASTM USA Molybdenum series High-speed tool steel
T11341 UNS USA Molybdenum series High-speed tool steel
1.2241 DIN Germany Cold working alloy tool steel
1.2341 DIN Germany Cold working alloy tool steel
1.2414 DIN Germany Cold working alloy tool steel
1.2419 DIN Germany Cold working alloy tool steel
1.4120 DIN Germany Hot working alloy tool steel
1.3341 DIN Germany High-speed tool steel
SKS41 JIS Japan shock-resistant steel
E441 Carbide for cutting tools
E441 Carbide for cutting tools
UNI 40 NiCrMo 7 KB UNI 55 Si 8
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