UNI X 8 CrMo 17

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Description

UNI X 8 CrMo 17 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: UNI X 8 CrMo 17

Category	Type	Steel Grade
Steel Grades	Stainless Steel	UNI X 8 CrMo 17
		UNI X 22 CrNi 25 20
		UNI X 2O Cr13
		UNI X 3 CrNi 18 11
		UNI X 5 CrNi 18 10
		UNI X 5 CrNIMo 17 12
		UNI X 5 CrNiMo 18 15
		UNI X 6 CrAI 13
		UNI X 6 CrNi 23 14
		UNI X 6 CrNiTi 18 11
		UNI X 8 Cr17

Chemical composition(mass fraction)(wt.%) of the UNI X 8 CrMo 17

Element	Weight %
C	0.12
Mn	1.00
Si	1.00
Cr	16.0-18.0
P	0.04
S	0.03
Mo	0.75-1.25

Mechanical Properties of steel grade UNI X 8 CrMo 17

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
346 (≥)	969 (≥)	34	41	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade UNI X 8 CrMo 17

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
11	-	-			0.44	-
293	263	-	34.3	341		-
167	-	32	21.2			222	413

Heat Treatment of steel grade UNI X 8 CrMo 17

Heat treated : 1449°C - 1418°C

Technological Curves of steel grade UNI X 8 CrMo 17

No Curve

Cross Reference Table (Equivalent Grade) of UNI X 8 CrMo 17

Grade	Standard	Country	Application
UnitempAF2-1		USA	Martensitic special steel
UnitempHS	AISI	USA	Martensitic special steel
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar

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