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UNS H4620

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ASTM 4620H ASTM 4621H
#UNS # # #H4620

Description

UNS H4620 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: UNS H4620
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel UNS H4620
UNS H41610
ASTM 4320H
UNS H43200
ASTM 4340H
UNS H43400
ASTM H4340H
UNS H43406
ASTM 4419H
UNS H44190
ASTM 4620H

Chemical composition(mass fraction)(wt.%) of the UNS H4620

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.17-0.23   0.15-0.35 0.35-0.75        1.55-2.0 
Mo Al Cu Nb Ti V Ce
 0.2-0.3            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade UNS H4620

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)
695 (≥) 836 (≥) 31 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade UNS H4620

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
12 - -     0.14 -  
693 712 - 41.3 344   -  
148 - 34 41.2   223 332

Heat Treatment of steel grade UNS H4620

Heat treated : 1984°C - 1132°C

Technological Curves of steel grade UNS H4620

Cross Reference Table (Equivalent Grade) of UNS H4620

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 4620H ASTM 4621H
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