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ASTM HH

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25Cr-12Ni UNS J93503
#ASTM # # #HH

Description

ASTM HH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: ASTM HH
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel ASTM HH
ASTM CK-3MCuN
20Cr-18Ni+Mo+N
ASTM CK-35MN
23Cr-21Ni+Mo+N
ASTM CB-6
16Cr-4Ni
ASTM HF
UNS J92603
19Cr-9Ni
25Cr-12Ni

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

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.2-0.5 2.0 2.0 0.04 0.04 24.0-28.0 11.0-14.0
Mo Al Cu Nb Ti V Ce
≤0.5            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade ASTM HH

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)
849 (≥) 968 (≥) 24 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade ASTM HH

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
42 - -     0.32 -  
983 733 - 11.3 123   -  
769 - 13 32.2   141 221

Heat Treatment of steel grade ASTM HH

Heat treated : 1793°C - 1222°C

Technological Curves of steel grade ASTM HH

Cross Reference Table (Equivalent Grade) of ASTM HH

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
25Cr-12Ni UNS J93503
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