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HL

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HD HN
#HL

Description

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

Datasheet for: Steel Grades:Special Alloy: HL
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HL ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HH
HI
HK
HE
HT
HU
HW
HX
HC
HD

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.20-0.60 2 2 0.04 0.04 28.0-32.0 18.0-22.0 0.5

Mechanical Properties of steel grade HL

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)
314 (≥) 862 (≥) 22 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade HL

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
34 - -     0.33 -  
159 487 - 23.3 134   -  
115 - 13 31.2   114 112

Heat Treatment of steel grade HL

Heat treated : 1784°C - 1366°C

Technological Curves of steel grade HL

Cross Reference Table (Equivalent Grade) of HL

Grade Standard Country Application
12X17P9AHl4 ГОСТ Russia Austenitic
ASTM HL GBT USA
Q295GNHL GBT China China structural steel and alloy steel
Q345GNHL GBT China China structural steel and alloy steel
HL ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HL ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HD HN
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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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