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En19

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709M40 AM350
#709M40 #1-7227 #4140 #440 #42CrMo4 #En19 #40CrMoV4-6

Description

UK B.S. BS 970, En19 Specialsteel Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: En19
Category Class Grade Standard Country Application
Steel GradesSpecialsteel En19 B.S. UK Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the En19

Si S P Mo Mn Cr C
0.1000 -0.4000 ≤0.0400 ≤0.0350 0.2500 -0.3500 0.7000 -1.0000 0.9000 -1.2000 0.3600 -0.4400

Mechanical Properties of steel grade En19

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)
246 (≥) 352 (≥) 32 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade En19

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
33 - -     0.43 -  
572 734 - 31.3 141   -  
741 - 21 41.2   121 413

Heat Treatment of steel grade En19

Heat treated : 1575°C - 1581°C

Technological Curves of steel grade En19

Cross Reference Table (Equivalent Grade) of En19

Grade Standard Country Application
S41400
NV7 (4140)
H41400
S41400
AISI 4140
SAE 4140
UNS G41400
AISI TS4140
ASTM 4140
UNS G41400
ASTM 4140
ASTM 4140H
UNS H41400
4140
SAE 4140H
UNS H41400
SAE 4140RH
ICI 4140
SAE NV7(4140)
SAE NV7(4140)

Relevant standard of En19

BS 970 Wrought steels for mechanical and allied engineering purposes BS-970.pdf
709M40 AM350
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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