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UNS K21450

Description

UNS K21450 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: UNS K21450
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel UNS K21450
UNS K21010
ENi3
UNS K31310
ENi4
UNS K11485
ENi5
UNS K11240
EF1
UNS K11160
EF2

Chemical composition(mass fraction)(wt.%) of the UNS K21450

 

 


C
Si
Mn
P
S
Cr Ni
0.1-0.18 0.2 1.7-2.4 0.025 0.025   0.4-0.8
Mo Al Cu Nb Ti V Ce
0.4-0.65   ≤0.35        
N Co Pb B Other sum    
        ≤0.5    
             

Mechanical Properties of steel grade UNS K21450

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)
424 (≥) 976 (≥) 13 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade UNS K21450

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
43 - -     0.21 -  
533 251 - 11.3 444   -  
765 - 13 33.2   134 123

Heat Treatment of steel grade UNS K21450

Heat treated : 1547°C - 1277°C

Technological Curves of steel grade UNS K21450

Cross Reference Table (Equivalent Grade) of UNS K21450

Grade Standard Country Application
UNS G10300 UNS USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
UNS G10080 UNS USA General use carbon steel bar
UNS G10110 UNS USA General use carbon steel bar
ASTM 1012 ASTM USA General use carbon steel bar
UNS G10120 UNS USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
UNS G10150 UNS USA General use carbon steel bar
UNS G10160 UNS USA General use carbon steel bar
UNS G10170 UNS USA General use carbon steel bar
UNS G10180 UNS USA General use carbon steel bar
UNS G10190 UNS USA General use carbon steel bar
UNS G10200 UNS USA General use carbon steel bar
UNS G10210 UNS USA General use carbon steel bar
UNS T72301 UNS USA Carbon tool steel
W2-A ASTM USA Carbon tool steel
UNS T72302 UNS USA Carbon tool steel
UNS S42800 UNS USA Martensitic special steel
UNS S43100 UNS USA Martensitic special steel

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