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X7(8)CrNiMoBNb16-16

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1.4986 1.4988
#X7(8)CrNiMoBNb16-16

Description

Germany DIN X7(8)CrNiMoBNb16-16 The high-temperature and high-strength steel and X7(8)CrNiMoBNb16-16 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X7(8)CrNiMoBNb16-16
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X7(8)CrNiMoBNb16-16 DIN Germany The high-temperature and high-strength steel
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15
1.4980
X8CrNiMoNb16-16
1.4981
1.4984
2.4982
NiCr20CoMo
NiCr18Co
NiCr18Co
1.4986

Chemical composition(mass fraction)(wt.%) of the X7(8)CrNiMoBNb16-16

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) B(%) Other(%)
0.04-0.10 0.30-0.60 0.30-0.60 Max 0.045 Max 0.030 15.5-17.5 15.5-17.5 15.5-17.5 0.05-0.10 10×C％Max Nb+TaMax 1.20

Mechanical Properties of steel grade X7(8)CrNiMoBNb16-16

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)
931 (≥) 451 (≥) 11 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade X7(8)CrNiMoBNb16-16

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
11 - -     0.43 -  
963 961 - 14.3 444   -  
974 - 32 42.2   444 231

Heat Treatment of steel grade X7(8)CrNiMoBNb16-16

Heat treated : 1184°C - 1859°C

Technological Curves of steel grade X7(8)CrNiMoBNb16-16

Cross Reference Table (Equivalent Grade) of X7(8)CrNiMoBNb16-16

Grade Standard Country Application
X7(8)CrNiMoBNb16-16 DIN Germany The high-temperature and high-strength steel
1.4986 1.4988
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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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