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LCA

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J91150 LCB
#LCA

Description

USA ASTM LCA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service and LCA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: LCA
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy LCA ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
J12524
J12082
J22000
J12072
J21890
J11872
J42045
J82090
J84090
J91150

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
0.25 0.6 ≤0.70① 0.04 0.045 ≤0.50 ≤0.50 ≤0.20 ≤0.03 ≤0.30

Mechanical Properties of steel grade LCA

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)
384 (≥) 423 (≥) 13 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade LCA

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
33 - -     0.41 -  
382 736 - 21.3 343   -  
921 - 23 32.2   331 244

Heat Treatment of steel grade LCA

Heat treated : 1499°C - 1497°C

Technological Curves of steel grade LCA

Cross Reference Table (Equivalent Grade) of LCA

Grade Standard Country Application
ASTM LCA AISI USA
LCA ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
LCA ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
J91150 LCB
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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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