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19-9 DL

Favorite Datasheet
X2CrNiMo18-15-4 K12249
#19-9DL

Description

USA UNS SAE J 467 (1968), 19-9 DL Specialsteel Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 19-9 DL
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 19-9 DL Precipitation-Hardening UNS USA Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%) of the 19-9 DL

C Si Mn P S Ni Cr Al Cu Ti Fe V Mo W Nb
≤0.32 ≤0.55 1.15 - ≥ ≤ ≥ ≤ ≥ 9.00 - ≥ 18.50 - ≥ ≤ ≥ ≤ ≥ 0.25 - ≥ remaining - ≥ ≤ ≥ 1.40 - ≥ 1.35 - ≥ 0.40 - ≥

Mechanical Properties of steel grade 19-9 DL

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)
779 (≥) 834 (≥) 32 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 19-9 DL

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
21 - -     0.33 -  
422 482 - 12.3 232   -  
845 - 21 14.2   211 322

Heat Treatment of steel grade 19-9 DL

Heat treated : 1817°C - 1827°C

Technological Curves of steel grade 19-9 DL

Cross Reference Table (Equivalent Grade) of 19-9 DL

Grade Standard Country Application
19-9DL

Relevant standard of 19-9 DL

SAE J 467 (1968) Special Purpose Alloys ("Superalloys") SAE-J-467-(1968).pdf
X2CrNiMo18-15-4 K12249
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