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K211

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GH4761 K213
#K211

Description

China GBT K211 Age hardening type iron base alloy and K211 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K211
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K211 GBT China Age hardening type iron base alloy
GH4145
GH4146
GH4151
GH4180
GH4220
GH4302
GH4698
GH4710
GH4738
GH4761

Chemical composition(mass fraction)(wt.%) of the K211

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) B(%) Fe(%)
0.10-0.20 Max 0.4 Max 0.5 Max 0.04 Max 0.04 1.95-20.5 45.0-47.0 7.50-8.50 0.03-0.05 Balance

Mechanical Properties of steel grade K211

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)
298 (≥) 161 (≥) 24 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade K211

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
12 - -     0.11 -  
711 973 - 14.3 334   -  
912 - 23 41.2   121 432

Heat Treatment of steel grade K211

Heat treated : 1981°C - 1531°C

Technological Curves of steel grade K211

Cross Reference Table (Equivalent Grade) of K211

Grade Standard Country Application
K211 GBT China Age hardening type iron base alloy
GH4761 K213
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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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