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HF

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J91340 HH
#HF

Description

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

Datasheet for: Steel Grades:Special Alloy: HF
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HF ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J91109
J91119
J91129
J91139
J91149
J91309
J91459
J91249
J91339
J91340

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.20-0.40 2 2 0.04 0.04 18.0-23.0 8.0-12.0 0.5

Mechanical Properties of steel grade HF

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)
376 (≥) 234 (≥) 12 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade HF

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 - -     0.42 -  
485 757 - 42.3 431   -  
551 - 22 13.2   322 124

Heat Treatment of steel grade HF

Heat treated : 1165°C - 1873°C

Technological Curves of steel grade HF

Cross Reference Table (Equivalent Grade) of HF

Grade Standard Country Application
SUS304HFB JIS Japan austenitic special steel
SUS316HFB JIS Japan austenitic special steel
SUS321HFB JIS Japan austenitic special steel
SUS347HFB JIS Japan austenitic special steel
ASTM HF AISI USA
HF ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HF ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
J91340 HH
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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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