X12CrCoNi 21-20

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#X12CrCoNi # #21-20

Description

X12CrCoNi 21-20 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: X12CrCoNi 21-20

Category	Type	Steel Grade
Steel Grades	High Alloy	X12CrCoNi 21-20
		X3CrNiN 18-11
		NiCr20Ti
		NiCr20TiAl
		X5NiCrAlTi 31-20
		X8NiCrAlTi 32-21
		X40CrNiCoNb13-13
		X8CrNiNb 16-13
		X12CrNiWTi 16-13
		CoCr20W15Ni
		NiCr20Co18Ti

Chemical composition(mass fraction)(wt.%) of the X12CrCoNi 21-20

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.80-0.16	1.00	1.00-2.00	0.040	0.030	20.0-22.5	19.0-21.0	2.50-3.50	Co 18.5-21.0 W 2.00-3.00 Nb / Ta 0.75-1.25 N 0.1-0.2

Mechanical Properties of steel grade X12CrCoNi 21-20

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)
522 (≥)	624 (≥)	22	41	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade X12CrCoNi 21-20

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	-	-			0.23	-
378	163	-	42.3	444		-
216	-	13	11.2			324	214

Heat Treatment of steel grade X12CrCoNi 21-20

Heat treated : 1361°C - 1784°C

Technological Curves of steel grade X12CrCoNi 21-20

No Curve

Cross Reference Table (Equivalent Grade) of X12CrCoNi 21-20

Grade	Standard	Country	Application
X12CrCoNi21-20	DIN	Germany	The high-temperature and high-strength steel
EN X12CrCoNi21-20	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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