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1.7380

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P250GH 10CrMo9-10
#1-7380 #10CrMo9-10

Description

European EN EN 10028-2: 2009, EN 10216-2: 2014, EN 10253-2: 2007, EN 10273: 2007, 1.7380 Specialsteel Alloy special steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.7380
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.7380 EN European Alloy special steel

Chemical composition(mass fraction)(wt.%) of the 1.7380

C Si Mn P S Cr Mo N Cu
0.08 -0.14 ≤0.5 0.4 -0.8 ≤0.020 ≤0.010 2.00 -2.50 0.90 -1.10 ≤0.012 ≤0.3

Mechanical Properties of steel grade 1.7380

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)
991 (≥) 695 (≥) 22 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade 1.7380

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
34 - -     0.11 -  
266 578 - 22.3 411   -  
448 - 32 42.2   123 321

Heat Treatment of steel grade 1.7380

Heat treated : 1213°C - 1384°C

Technological Curves of steel grade 1.7380

Cross Reference Table (Equivalent Grade) of 1.7380

Grade Standard Country Application
10CrMo9-10

Relevant standard of 1.7380

EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties EN-10028-2:-2009.pdf
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
EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements EN-10253-2:-2007.pdf
EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties EN-10273:-2007.pdf
P250GH 10CrMo9-10
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