X7CrNiMoBNb 16-16

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#X7CrNiMoBNb # #16-16

Description

X7CrNiMoBNb 16-16 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: X7CrNiMoBNb 16-16

Category	Type	Steel Grade
Steel Grades	High Alloy	X7CrNiMoBNb 16-16
		NiCr19CoMo
		NiFeCr12Mo
		NiCr20Mo
		X40CoCrNi 20-20
		X50CoCrNi 20-20
		X6CrNiTiMoVB 25-15-2
		X5NiCrTi 26-15
		X8CrNiMoNb 16-16
		NiCr20CoMo
		NiCr18Co

Chemical composition(mass fraction)(wt.%) of the X7CrNiMoBNb 16-16

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.04-0.10	0.30-0.60	1.50	0.045	0.030	15.5-17.5	15.5-17.5	1.60-2.00	Nb /Ta ≥10*C ≤1.20 B 0.05-0.10

Mechanical Properties of steel grade X7CrNiMoBNb 16-16

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)
313 (≥)	641 (≥)	31	12	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	432

Physical Properties of steel grade X7CrNiMoBNb 16-16

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
42	-	-			0.12	-
315	847	-	34.3	421		-
299	-	23	31.2			132	243

Heat Treatment of steel grade X7CrNiMoBNb 16-16

Heat treated : 1181°C - 1931°C

Technological Curves of steel grade X7CrNiMoBNb 16-16

No Curve

Cross Reference Table (Equivalent Grade) of X7CrNiMoBNb 16-16

Grade	Standard	Country	Application
X7CrNiMoBNb16-6	AFNOR	France	Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
EN X7CrNiMoBNb16-16	EN		Euronorm Stainless 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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