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Х25Н16Г7АР

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ЭИ835 X2CrMnNiMoN21-5-3
#Х25Н16Г7АР

Description

Russia GOST Х25Н16Г7АР Specialsteel Russia GOCT Standard vacuum smelting casting high temperature alloy bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: Х25Н16Г7АР
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel Х25Н16Г7АР Austenite GOST Russia Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Chemical composition(mass fraction)(wt.%) of the Х25Н16Г7АР

C Si Mn P S Cr Mo Ni N B
≤0.12 ≤1.00 5.00 -7.00 ≤0.035 ≤0.020 23.00 -26.00 ≤ ≥ 15.00 -18.00 0.30 -0.45 ≤0.010

Mechanical Properties of steel grade Х25Н16Г7АР

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)
749 (≥) 145 (≥) 33 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade Х25Н16Г7АР

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 - -     0.41 -  
682 988 - 42.3 231   -  
542 - 12 43.2   323 444

Heat Treatment of steel grade Х25Н16Г7АР

Heat treated : 1274°C - 1359°C

Technological Curves of steel grade Х25Н16Г7АР

ЭИ835 X2CrMnNiMoN21-5-3
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Jiangyou Longhai Special Steel Co.,Ltd.

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