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7Cr17

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1Cr17Ni2 8Cr17
#7Cr17

Description

China GBT 7Cr17 Martensitic Steel and 7Cr17 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 7Cr17
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 7Cr17 GBT China Martensitic Steel
1Cr13
0Cr13
Y1Cr13
1Cr13Mo
2Cr13
3Cr13
Y3Cr13
3Cr13Mo
4Cr13
1Cr17Ni2

Chemical composition(mass fraction)(wt.%) of the 7Cr17

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.60-0.75 Max 1.00 Max 1.00 0.035 Max 0.03 16.00-18.00 Max 0.60 Max 0.75

Mechanical Properties of steel grade 7Cr17

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)
346 (≥) 836 (≥) 43 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 7Cr17

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
22 - -     0.21 -  
762 291 - 14.3 241   -  
683 - 43 23.2   413 222

Heat Treatment of steel grade 7Cr17

Heat treated : 1841°C - 1885°C

Technological Curves of steel grade 7Cr17

Cross Reference Table (Equivalent Grade) of 7Cr17

Grade Standard Country Application
07Cr17Ni12Mo2 GBT China Stainless steel bars
7Cr17 GBT China Martensitic Steel
1Cr17Ni2 8Cr17
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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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