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UNS T20841

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ASTM H41 ASTM H42
#UNS # # #T20841

Description

UNS T20841 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: UNS T20841
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel UNS T20841
UNS T20822
ASTM H23
UNS T20823
ASTM H24
UNS T20824
ASTM H25
UNS T20825
ASTM H26
UNS T20826
ASTM H41

Chemical composition(mass fraction)(wt.%) of the UNS T20841

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.6-0.7 0.2-0.45 0.15-0.4  0.03  0.03  3.5-4.0  
Mo Al W Nb Ti V Ce
 8.2-9.2   1.4-2.1     1.0-1.3  
N Co Pb B Other    
             
             

Mechanical Properties of steel grade UNS T20841

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)
753 (≥) 875 (≥) 43 43 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade UNS T20841

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
14 - -     0.43 -  
914 668 - 13.3 412   -  
535 - 11 22.2   114 244

Heat Treatment of steel grade UNS T20841

Heat treated : 1315°C - 1562°C

Technological Curves of steel grade UNS T20841

Cross Reference Table (Equivalent Grade) of UNS T20841

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 H41 ASTM H42
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