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J03003

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J02504 J02505
#J03003

Description

USA UNS J03003 Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service and J03003 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J03003
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J03003 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
LCB
LCC
LC1
LC2
LC2-1
LC3
LC4
LC9
CA6NM
J02504

Chemical composition(mass fraction)(wt.%) of the J03003

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
0.3 0.6 ≤1.00① 0.04 0.045 ≤0.50 ≤0.50 ≤0.20 ≤0.03 ≤0.30

Mechanical Properties of steel grade J03003

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)
541 (≥) 955 (≥) 11 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade J03003

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
13 - -     0.11 -  
136 852 - 13.3 312   -  
994 - 24 42.2   344 314

Heat Treatment of steel grade J03003

Heat treated : 1873°C - 1431°C

Technological Curves of steel grade J03003

Cross Reference Table (Equivalent Grade) of J03003

Grade Standard Country Application
UNS J03003 AISI USA
J03003 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
J03003 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service
J02504 J02505
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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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