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Metals -> High-temperature or heat-resistant steel and alloy -> High alloy high-temperature steel

Characteristics of the material 12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М ).

Material :	12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М )
Classification :	High alloy high-temperature steel

Chemical composition in % of the material 12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М ) .

C	Si	Mn	Ni	S	P	Cr	Mo	W
max 0.15	0.3 - 0.8	max 0.7	13 - 15	max 0.03	max 0.035	13 - 15	0.4 - 0.6	2 - 2.75

Mechanical properties under Т=20^oС of the material 12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Bar	Ж 25	longitudinal	570	228	67.7	62.8	3400
Pipe	Ж 102 x 68	longitudinal	560	260	44	60	1300

Physical properties of the material 12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М ) .

T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹
Grade	MPa	1/Grade	Watt/(m·Grade)	kg/m³	J/(kg·Grade)	Ohm·m
20	2.02			8100	461
100	2	15.6	6.3		486	830
200	1.92	15.7	11.8		515	890
300	1.84	17.3	16.7		536	950
400	1.78	17.3	20.9		544	1010
500	1.71	17.3	24.3		557	1050
600	1.63	18.2	27.2		590	1080
700	1.57	18.4	29.7		624	1130
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material 12KH14N14V2M ( 12H14N14V2M, 12Х14Н14В2М ) .

Weldability:

without limitations.

Specification :

Mechanical properties :
s_в	- Tensile strength , [MPa]
s_T	- Yield stress, [MPa]
d₅	- Specific elongation at fracture , [ % ]
y	- Reduction of area , [ % ]
KCU	- Impact strength , [ kJ / m²]
HB	- Brinell hardness , [MPa]

Physical properties :
T	- Test temperature , [Grade]
E	- Young modulus , [MPa]
a	- Coefficient of linear expansion (range 20^o - T ) , [1/Grade]
l	- Termal (heat) condition coefficient , [Watt/(m·Grade)]
r	- Density , [kg/m³]
C	- Specific heat ( range 20^o - T ), [J/(kg·Grade)]
R	- Electrical resistance , [Ohm·m]

Weldability :
without limitations	- welding is done without heating and subsequent heat treeting
limited weldability	- welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability	- obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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