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25 20nC

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1.4842 1.4846
#25 # #20nC

Description

25 20nC Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 25 20nC
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 25 20nC
1.4773
S-CoCr28
1.4778
254
1.4820
18 36
22 12
1.4829
25 20
1.4842

Chemical composition(mass fraction)(wt.%) of the 25 20nC

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.34          ≤24.5 ≤22.5 
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other AWS(A5.4)   
          ≈E310-15   
             

Mechanical Properties of steel grade 25 20nC

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)
254 (≥) 746 (≥) 12 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade 25 20nC

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 - -     0.24 -  
165 686 - 12.3 234   -  
371 - 24 31.2   123 441

Heat Treatment of steel grade 25 20nC

Heat treated : 1977°C - 1389°C

Technological Curves of steel grade 25 20nC

Cross Reference Table (Equivalent Grade) of 25 20nC

Grade Standard Country Application
Q255 A China Engineering and welding
Q255 B China Engineering and welding
H25 ASTM USA Alloy tool steel
T20825 UNS USA Alloy tool steel
CPM Rex 25 AISI USA Powder metallurgy high-speed tool steel
Stellite 25 Stellite alloy
Stellite 250 Stellite alloy
Stellite 251 Stellite alloy
1.1525 DIN Germany Carbon tool steel
C125W DIN Germany Carbon tool steel
1.1625 DIN Germany Carbon tool steel
125Cr1 DIN Germany Cold working alloy tool steel
125Cr2 DIN Germany Cold working alloy tool steel
125CrSi5 DIN Germany Cold working alloy tool steel
1.2510 DIN Germany Cold working alloy tool steel
1.2516 DIN Germany Cold working alloy tool steel
1.2519 DIN Germany Cold working alloy tool steel
1.2542 DIN Germany Cold working alloy tool steel
1.2550 DIN Germany Cold working alloy tool steel
1.2552 DIN Germany Cold working alloy tool steel
1.4842 1.4846
Available Suppliers
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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