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20CrMoV13-5-5, 1.7779

Favorite Datasheet
PX5, PX-5, P20, 4140 X12CrNiMoV12-3, 1.4938
#20CrMoV13-5-5 #1-7779

Description

China GB EN 10216-2: 2014, 20CrMoV13-5-5, 1.7779 Specialsteel Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 20CrMoV13-5-5, 1.7779
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 20CrMoV13-5-5, 1.7779 Austenite GB China Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties

Chemical composition(mass fraction)(wt.%) of the 20CrMoV13-5-5, 1.7779

C Si Mn Ni P S Cr Mo V Al Cu
0.17 -0.23 0.15 -0.35 0.30 -0.50 ≤0.30 ≤0.025 ≤0.010 3.00 -3.30 0.50 -0.60 0.45 -0.55 ≤0.04 ≤0.30

Mechanical Properties of steel grade 20CrMoV13-5-5, 1.7779

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)
755 (≥) 852 (≥) 22 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade 20CrMoV13-5-5, 1.7779

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 -  
543 125 - 41.3 311   -  
226 - 42 21.2   144 431

Heat Treatment of steel grade 20CrMoV13-5-5, 1.7779

Heat treated : 1134°C - 1891°C

Technological Curves of steel grade 20CrMoV13-5-5, 1.7779

Relevant standard of 20CrMoV13-5-5, 1.7779

EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties EN-10216-2:-2014.pdf
PX5, PX-5, P20, 4140 X12CrNiMoV12-3, 1.4938
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Jiangyou Longhai Special Steel Co.,Ltd.

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