7Cr17

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

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
Datasheet for:Steel Grades:Special Steel:7Cr17

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 / Mechanische Eigenschaften / Caracteristiques mecaniques of 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)
239 (≥) 253 (≥) 42 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
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 - -     0.11 -  
221 773 - 42.3 341   -  
356 - 14 33.2   222 243
Heat treated : 1513°C - 1181°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
07Cr17Ni12Mo2 GBT China
Stainless steel bars
7Cr17 GBT China
Martensitic Steel
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7Cr17 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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