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Y20

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Y15Pb Y30
#Y20

Description

China GBT Y20 China structural steel and alloy steel and Y20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Y20
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Y20 GBT China China structural steel and alloy steel
20CrNi3H
12Cr2Ni4H
20CrNiMoH
55Ti
60Ti
70Ti
Y12
Y12Pb
Y15
Y15Pb

Chemical composition(mass fraction)(wt.%) of the Y20

C(％) Si(％) Mn(％)
0.17-0.25 0.15-0.35 0.70-1.00

Mechanical Properties of steel grade Y20

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)
859 (≥) 753 (≥) 11 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade Y20

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
43 - -     0.32 -  
419 868 - 13.3 324   -  
419 - 44 33.2   334 321

Heat Treatment of steel grade Y20

Heat treated : 1348°C - 1471°C

Technological Curves of steel grade Y20

Cross Reference Table (Equivalent Grade) of Y20

Grade Standard Country Application
Y20 GBT China China structural steel and alloy steel
Y15Pb Y30
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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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