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UNS T20819

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ASTM H19 ASTM H21
#UNS # # #T20819

Description

UNS T20819 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: UNS T20819
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel UNS T20819
UNS T20810
ASTM H11
UNS T20811
ASTM H12
UNS T20812
ASTM H13
UNS T20813
ASTM H14
UNS T20814
ASTM H19

Chemical composition(mass fraction)(wt.%) of the UNS T20819

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.32-0.45 0.2-0.5 0.2-0.5  0.03  0.03   4.-4.75  
Mo Al W Nb Ti V Ce
 0.3-0.55   3.75-4.5     1.75-2.2   
N Co Pb B Other    
   4-4.5          
             

Mechanical Properties of steel grade UNS T20819

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)
168 (≥) 286 (≥) 24 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade UNS T20819

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
11 - -     0.24 -  
384 871 - 21.3 243   -  
787 - 24 33.2   422 223

Heat Treatment of steel grade UNS T20819

Heat treated : 1553°C - 1581°C

Technological Curves of steel grade UNS T20819

Cross Reference Table (Equivalent Grade) of UNS T20819

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
ASTM H19 ASTM H21
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