ASTM HP

ASTM HP

USA AISI ASTM HP and ASTM HP Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Type Steel Grade Standard Country Application
Steel Grades Special Alloy ASTM HP AISI USA
UNS J93005
28Cr-5Ni
ASTM HL
UNS J94604
29Cr-20Ni
ASTM HN
UNS J94213
20Cr-25Ni
26Cr-35Ni
UNS J95705


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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.35-0.75 Max 2.50 Max 2.00 Max 0.04 Max 0.040 24.0-28.0 33.0-37.0 Max 0.50



Mechanical Properties of steel grade ASTM HP

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)
882 (≥) 242 (≥) 31 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade ASTM HP

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     0.12  
588 377 22.3 444    
878 21 12.2   143 321

Heat Treatment of steel grade ASTM HP

Heat treated : 1774°C – 1716°C

Technological Curves of steel grade ASTM HP

Cross Reference Table (Equivalent Grade) of ASTM HP

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