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USA ASTM LC1 Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service and LC1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: LC1
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy LC1 ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
J12072
J21890
J11872
J42045
J82090
J84090
J91150
LCA
LCB
LCC

Chemical composition(mass fraction)(wt.%) of the LC1

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.25 0.6 0.50-0.80 0.04 0.045 0.45-0.65

Mechanical Properties of steel grade LC1

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)
767 (≥) 451 (≥) 31 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade LC1

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
44 - -     0.32 -  
568 284 - 21.3 313   -  
289 - 22 33.2   322 242

Heat Treatment of steel grade LC1

Heat treated : 1998°C - 1615°C

Technological Curves of steel grade LC1

Cross Reference Table (Equivalent Grade) of LC1

Grade Standard Country Application
ASTM LC1 AISI USA
OLC10 STAS/SR Romania Structural steel
OLC10S STAS/SR Romania Structural steel
OLC10X STAS/SR Romania Structural steel
OLC10XS STAS/SR Romania Structural steel
OLC15 STAS/SR Romania Structural steel
OLC15S STAS/SR Romania Structural steel
OLC15X STAS/SR Romania Structural steel
OLC15XS STAS/SR Romania Structural steel
OLC10q STAS/SR Romania Alloy structural steel
OLC15q STAS/SR Romania Alloy structural steel
OLC15q STAS/SR Romania Alloy structural steel
OLC15AT STAS/SR Romania Alloy structural steel
LC1 ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
LC1 ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service

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