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Grade9

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Grade8 Grade10
#Grade9

Description

USA ASTM Grade9 Steel Castings Suitable for Pressure Service and Grade9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: Grade9
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy Grade9 ASTM USA Steel Castings Suitable for Pressure Service
6150
8620
8630
52100
Grade1
Grade2
Grade4
Grade6
Grade7
Grade8

Chemical composition(mass fraction)(wt.%) of the Grade9

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.05-0.33 0.8 0.60-1.00 0.04 0.045 0.75-1.10 － 0.15-0.30

Mechanical Properties of steel grade Grade9

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)
393 (≥) 546 (≥) 44 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade Grade9

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
13 - -     0.43 -  
978 992 - 23.3 231   -  
734 - 12 44.2   123 444

Heat Treatment of steel grade Grade9

Heat treated : 1598°C - 1345°C

Technological Curves of steel grade Grade9

Cross Reference Table (Equivalent Grade) of Grade9

Grade Standard Country Application
Grade9 ASTM USA Steel Castings Suitable for Pressure Service
Grade9 ASTM USA Steel Castings Suitable for Pressure Service
Grade8 Grade10
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Jiangyou Longhai Special Steel Co.,Ltd.

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