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YOU HERE: Steel and Alloy -> High-temperature or heat-resistant steel and alloy

Characteristics for grade KhN77TYU ( ХН77ТЮ )

Grade :	KhN77TYU ( ХН77ТЮ ) ( ЭИ437А )
Classification :	Hidh-temperature or heat-resistant alloy
Equivalent grades:	Is absent

Chemical composition in % for grade KhN77TYU ( ХН77ТЮ )

max 1

max 0.07

max 0.6

max 0.4

70.083 - 77.4

max 0.007

max 0.015

19 - 22

max 0.02

2.4 - 2.8

0.6 - 1

max 0.003

max 0.001

Mechanical properties under Т=20^oС for grade KhN77TYU ( ХН77ТЮ )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Bar, GOST 23705-79			610		5	12		Hardening and ageing

Brinell hardness for KhN77TYU ( ХН77ТЮ ) , Bar GOST 23705-79

HB 10^-1 = 255 - 321 MPa

Types of delivery of grade KhN77TYU ( ХН77ТЮ )

В32 - Graded and shaped rolling

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]

KhN77TYU ( ХН77ТЮ ) - Hidh-temperature or heat-resistant alloy: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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