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Description

USA ASTM HT Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and HT Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: HT
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HT ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J91309
J91459
J91249
J91339
J91340
HF
HH
HI
HK
HE

Chemical composition(mass fraction)(wt.%) of the HT

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.75 2.5 2 0.04 0.04 15.0-19.0 33.0-37.0 0.5

Mechanical Properties of steel grade HT

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)
766 (≥) 933 (≥) 14 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade HT

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
21 - -     0.24 -  
571 524 - 12.3 231   -  
692 - 13 13.2   234 242

Heat Treatment of steel grade HT

Heat treated : 1859°C - 1767°C

Technological Curves of steel grade HT

Cross Reference Table (Equivalent Grade) of HT

Grade Standard Country Application
M2 hight C ASTM USA Molybdenum series High-speed tool steel
M10 Hight C ASTM USA Molybdenum series High-speed tool steel
SUS304HTP JIS Japan austenitic special steel
SUS316HTP JIS Japan austenitic special steel
SUS321HTP JIS Japan austenitic special steel
SUS347HTP JIS Japan austenitic special steel
NCF800HTB JIS Japan ferritic stainless steel
NCF800HTP JIS Japan ferritic stainless steel
ASTM HT AISI USA
ASTM HT30 AISI USA
SPHT1 CNS China China Taiwan Structural steel
SPHT2 CNS China China Taiwan Structural steel
SPHT3 CNS China China Taiwan Structural steel
SPHT4 CNS China China Taiwan Structural steel
HT ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HT30 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HT ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HT30 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HE HU
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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