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30Cr

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20Cr 35Cr
#30Cr

Description

China GBT 30Cr China structural steel and alloy steel and 30Cr Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 30Cr
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 30Cr GBT China China structural steel and alloy steel
45MnB
20MnMoB
15MnVB
20MnVB
40MnVB
20MnTiB
25MnRiVRE
15Cr
15CrA
20Cr

Chemical composition(mass fraction)(wt.%) of the 30Cr

C(％) Si(％) Mn(％) Cr(％)
0.27-0.34 0.17-0.37 0.50-0.80 0.80-1.00

Mechanical Properties of steel grade 30Cr

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)
872 (≥) 699 (≥) 31 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade 30Cr

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
41 - -     0.42 -  
699 383 - 43.3 244   -  
669 - 33 12.2   323 313

Heat Treatment of steel grade 30Cr

Heat treated : 1257°C - 1347°C

Technological Curves of steel grade 30Cr

Cross Reference Table (Equivalent Grade) of 30Cr

Grade Standard Country Application
X30Cr13 AFNOR France Martensite And Precipitation Hardening
30CrNiMo8 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
GS-30CrMoV6 4 DIN Germany
ISO X30Cr13 ISO ISO ISO standard thermal deformation of stainless steel
30Cr130 STAS/SR Romania Stainless steel
30CrNiMo8 UNE Spain Spain structural alloy steel
30CrMoV12 UNE Spain Spain structural alloy steel
30CrMoV12 UNE Spain Spain structural alloy steel
30Cr GBT China China structural steel and alloy steel
30CrMo GBT China China structural steel and alloy steel
30CrMoA GBT China China structural steel and alloy steel
30CrMnSi GBT China China structural steel and alloy steel
30CrMnSiA GBT China China structural steel and alloy steel
30CrMnTi GBT China China structural steel and alloy steel
30CrNi3 GBT China China structural steel and alloy steel
30CrMnMoTiA GBT China China structural steel and alloy steel
30CrNi2MoVA GBT China China structural steel and alloy steel
30CrMnSiNi2A GBT China China structural steel and alloy steel
ML30CrMo GBT China China structural steel and alloy steel
ML30CrMnSiA GBT China China structural steel and alloy steel
20Cr 35Cr
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Jiangyou Longhai Special Steel Co.,Ltd.

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