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19MnB4

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C45E 20CrMnVTiB4-10
#19MnB4

Description

19MnB4 Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999)) and 19MnB4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 19MnB4
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 19MnB4 Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
Z15CN16.02CI
Z20C13CI
Z33C13CI
Z38CD16.1CI
Z40C14CI
Z44C14CI
Z50CD15CI
Z70CD15CI
Z100CD17CI
C45E

Chemical composition(mass fraction)(wt.%) of the 19MnB4

C(％) Si(％) Mn(％) P(％) S(％) B(%) Al(%)
0.17-0.24 Max 0.40 0.80-1.15 Max 0.035 Max 0.035 0.0008-0.0050 Max 0.020

Mechanical Properties of steel grade 19MnB4

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)
592 (≥) 864 (≥) 41 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade 19MnB4

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
14 - -     0.12 -  
433 999 - 33.3 444   -  
892 - 32 24.2   342 114

Heat Treatment of steel grade 19MnB4

Heat treated : 1665°C - 1353°C

Technological Curves of steel grade 19MnB4

Cross Reference Table (Equivalent Grade) of 19MnB4

Grade Standard Country Application
19MnB4 Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
EN 19MnB4 EN Euronorm Euronorm Stainless Steel
C45E 20CrMnVTiB4-10
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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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