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K273

Favorite Datasheet
K232 K401
#K273

Description

China GBT K273 Age hardening type iron base alloy and K273 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: K273
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy K273 GBT China Age hardening type iron base alloy
GH4220
GH4302
GH4698
GH4710
GH4738
GH4761
K211
K213
K214
K232

Chemical composition(mass fraction)(wt.%) of the K273

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) N(%) B(%) Nb(%) Al(%) Fe(%)
0.75-0.90 0.30-1.00 4.50-6.00 Max 0.04 Max 0.02 18.0-21.0 4.50-5.50 0.80-1.20 0.80-1.20 0.10-0.20 Max 0.005 0.65-0.85 Max 0.05 Balance

Mechanical Properties of steel grade K273

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)
861 (≥) 123 (≥) 12 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade K273

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
24 - -     0.13 -  
562 869 - 22.3 321   -  
368 - 34 12.2   244 423

Heat Treatment of steel grade K273

Heat treated : 1818°C - 1692°C

Technological Curves of steel grade K273

Cross Reference Table (Equivalent Grade) of K273

Grade Standard Country Application
K273 GBT China Age hardening type iron base alloy
K232 K401
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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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