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ASTM P20

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ASTM O2 DC53
#ASTM # #P20

Description

ASTM P20 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: ASTM P20
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel ASTM P20
ASTM O2
4ХС
6ХС
4ХВ2С
5ХВ2С
6ХВ2С
6ХВГ
11Р3АМ3Ф2
Р2АМ9К5
SS14:2312

Chemical composition(mass fraction)(wt.%) of the ASTM P20

 

Component Elements Properties
Metric
English
Comments
Carbon, C 
0.330 %
0.330 %
Chromium, Cr 
1.75 %
1.75 %
Iron, Fe 
96.07 %
96.07 %
Manganese, Mn 
0.80 %
0.80 %
Molybdenum, Mo 
0.40 %
0.40 %
Silicon, Si 
0.65 %
0.65 %

 

 

 

Mechanical Properties
Metric
English
Comments
Hardness, Rockwell C
30.0 - 31.0
@Temperature 621 °C
30.0 - 31.0
@Temperature 1150 °F
 
39.0 - 40.0
@Temperature 538 °C
39.0 - 40.0
@Temperature 1000 °F
 
48.0 - 49.0
@Temperature 204 °C
48.0 - 49.0
@Temperature 399 °F
Modulus of Elasticity 
207 GPa
30000 ksi
Machinability 
60.0 - 65.0 %
60.0 - 65.0 %
1% Carbon Steel
 

Mechanical Properties of steel grade ASTM P20

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)
367 (≥) 864 (≥) 34 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade ASTM P20

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
41 - -     0.22 -  
246 482 - 43.3 323   -  
847 - 31 24.2   242 243

Heat Treatment of steel grade ASTM P20

Heat treated : 1171°C - 1645°C

Technological Curves of steel grade ASTM P20

Cross Reference Table (Equivalent Grade) of ASTM P20

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
ASTM O2 DC53
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