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EX 45

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X-40 SUS XM7
#X-45

Description

USA SAE SAE J 1249 (2000), EX 45 Specialsteel Former SAE standard and former SAE Ex-steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: EX 45
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel EX 45 Precipitation-Hardening SAE USA Former SAE standard and former SAE Ex-steels

Chemical composition(mass fraction)(wt.%) of the EX 45

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe B
≤0.25 ≤ ≥ ≤ ≥ ≤25.50 ≤10.50 ≤ ≥ ≤55.00 ≤7.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤2.00 ≤0.01

Mechanical Properties of steel grade EX 45

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)
838 (≥) 175 (≥) 31 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade EX 45

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
12 - -     0.31 -  
364 372 - 13.3 244   -  
164 - 14 12.2   344 121

Heat Treatment of steel grade EX 45

Heat treated : 1239°C - 1584°C

Technological Curves of steel grade EX 45

Cross Reference Table (Equivalent Grade) of EX 45

Grade Standard Country Application
X-45
MLX-45K
X-45
X-45

Relevant standard of EX 45

SAE J 1249 (2000) Former SAE standard and former SAE Ex-steels SAE-J-1249-(2000).pdf
X-40 SUS XM7
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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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