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X55MnCrN 18-4

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1.3818 1.3817
#X55MnCrN # #18-4

Description

X55MnCrN 18-4 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: X55MnCrN 18-4
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel X55MnCrN 18-4
X3CrNiCu 19-9-2
1.3802
X35Mn 21
GX120Mn 13
1.3805
1.3813
X40MnCrN 19
1.3816
X8CrMnN 18-8
1.3818

Chemical composition(mass fraction)(wt.%) of the X55MnCrN 18-4

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 0.50-0.60  1.00  17.5-20.0  0.060  0.030  4.00-5.00  ≤1.00  --------  N 0.05-0.12

Mechanical Properties of steel grade X55MnCrN 18-4

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)
258 (≥) 247 (≥) 21 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade X55MnCrN 18-4

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
23 - -     0.24 -  
283 164 - 14.3 344   -  
938 - 14 41.2   221 312

Heat Treatment of steel grade X55MnCrN 18-4

Heat treated : 1655°C - 1843°C

Technological Curves of steel grade X55MnCrN 18-4

Cross Reference Table (Equivalent Grade) of X55MnCrN 18-4

Grade Standard Country Application
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
1.3818 1.3817
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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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