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UNS W21918

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AWS E8018-C4 AWS E9015-C5L
#UNS # # #W21918

Description

UNS W21918 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: UNS W21918
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel UNS W21918
UNS W23118
AWS E8016-C3
UNS W21016
AWS E8018-C3
UNS W21018
AWS E7018-C3L
UNS W20918
AWS E8016-C4
UNS W21916
AWS E8018-C4

Chemical composition(mass fraction)(wt.%) of the UNS W21918

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.1 0.8 1.25 0.03 0.03   1.1-2.0
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade UNS W21918

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)
436 (≥) 465 (≥) 34 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade UNS W21918

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
33 - -     0.33 -  
865 517 - 11.3 211   -  
992 - 14 21.2   313 423

Heat Treatment of steel grade UNS W21918

Heat treated : 1532°C - 1642°C

Technological Curves of steel grade UNS W21918

Cross Reference Table (Equivalent Grade) of UNS W21918

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
AWS E8018-C4 AWS E9015-C5L
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