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1.7390

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X15CrMo5-1 X19CrMoNbVN11-1
#X15CrMo5-1 #1-7390

Description

France AFNOR NF EN 10269, 1.7390 Specialsteel Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.7390
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.7390 AFNOR France Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%) of the 1.7390

C Si Mn P S Cr Ni Mo
≤0.18 ≤0.40 5.50 -7.00 ≤0.025 ≤0.015 4.00 -6.00 ≤ ≥ 0.45 -0.65

Mechanical Properties of steel grade 1.7390

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)
853 (≥) 271 (≥) 34 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 1.7390

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
14 - -     0.33 -  
661 499 - 34.3 433   -  
926 - 11 34.2   432 411

Heat Treatment of steel grade 1.7390

Heat treated : 1932°C - 1692°C

Technological Curves of steel grade 1.7390

Cross Reference Table (Equivalent Grade) of 1.7390

Grade Standard Country Application
X15CrMo5-1
X15CrMo5-1

Relevant standard of 1.7390

NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties NF-EN-10269.pdf
X15CrMo5-1 X19CrMoNbVN11-1
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