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ASTM Class ⅡType B

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#ASTM # # #Class #ⅡType # #B

Description

ASTM Class ⅡType B Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: ASTM Class ⅡType B
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel ASTM Class ⅡType B
ASTM Ⅱ E 20%Cr-Mo-Hc
UNS F45008
ASTM Ⅲ A 25%Cr
UNS F45009
ASTM ClassⅠType A
ASTM ClassⅠType B
ASTM ClassⅠType C
ASTM ClassⅠType D
UNS F10001
ASTM Class ⅡType A

Chemical composition(mass fraction)(wt.%) of the ASTM Class ⅡType B

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.41-0.65     0.6 0.15    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
        C%+0.3(Si%+P%)3.51-4.10
Minimum carbon content 3.20		    
             

Mechanical Properties of steel grade ASTM Class ⅡType B

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)
571 (≥) 322 (≥) 11 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade ASTM Class ⅡType B

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 - -     0.34 -  
298 194 - 11.3 341   -  
459 - 23 11.2   422 234

Heat Treatment of steel grade ASTM Class ⅡType B

Heat treated : 1432°C - 1855°C

Technological Curves of steel grade ASTM Class ⅡType B

Cross Reference Table (Equivalent Grade) of ASTM Class ⅡType B

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 Class ⅡType A ASTM Class ⅡType C
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