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X50CoCrNi 20-20

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X40CoCrNi 20-20 X6CrNiTiMoVB 25-15-2
#X50CoCrNi #20-20

Description

X50CoCrNi 20-20 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: X50CoCrNi 20-20
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy X50CoCrNi 20-20
X40CrNiCoNb13-13
X8CrNiNb 16-13
X12CrNiWTi 16-13
CoCr20W15Ni
NiCr20Co18Ti
X12CrCoNi 21-20
NiCr19CoMo
NiFeCr12Mo
NiCr20Mo
X40CoCrNi 20-20

Chemical composition(mass fraction)(wt.%) of the X50CoCrNi 20-20

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 0.45-0.55  1.00  1.50  0.045  0.030  19.0-21.0 19.0-21.0   3.50-4.50

 Co 19.0-21.0   W 3.50-4.50
Nb / Ta 3.50-4.50


 

Mechanical Properties of steel grade X50CoCrNi 20-20

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)
475 (≥) 868 (≥) 23 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade X50CoCrNi 20-20

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
31 - -     0.12 -  
787 336 - 44.3 412   -  
763 - 12 23.2   212 424

Heat Treatment of steel grade X50CoCrNi 20-20

Heat treated : 1891°C - 1374°C

Technological Curves of steel grade X50CoCrNi 20-20

Cross Reference Table (Equivalent Grade) of X50CoCrNi 20-20

Grade Standard Country Application
X50CoCrNi20-20 DIN Germany The high-temperature and high-strength steel
X40CoNi20-20 DIN Germany The high-temperature and high-strength steel
Z12CKNDWNb21-20-20 AFNOR France The vent valve steel
Z12CKNDWNb21-20-20 AFNOR France Steel Exhaust Valves
X40CoCrNi 20-20 X6CrNiTiMoVB 25-15-2
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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