Precision Alloy 29N26KHBTY

No foreign analogues

The alloy is used for the manufacture of elastic sensitive elements operating up to 300 ° C and in conditions of high humidity.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precision alloys	With preset elastic properties

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Co, %	Cr, %	Ti, %	Cu, %	Ni, %	Zr, %	Al, %	Nb, %	Mo, %	N, %	ET, %
Standard	Fe, %	Si, %	Mn, %	Co, %	Cr, %	Ti, %	Cu, %	Ni, %	Zr, %	Al, %	Nb, %	Mo, %	N, %	ET, %
GOST 10994-74	33.6–37.15	0.05–0.1	0.05–0.1	25.5–26.5	2.4–2.8	1.7–1.9	< 0.05	28.5–29.5	0.05–0.1	1.2–1.4	3.4–3.8	< 0.05	< 0.04	< 0.06

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Physical characteristics

Temperature, °C	$$E\cdot 10^{9}$$, $$MPa$$	$$\alpha\cdot 10^{6}$$, $$K^{-1}$$	$$\rho$$, $$\frac{kg}{m^3}$$	$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
Temperature, °C	$$E\cdot 10^{9}$$, $$MPa$$	$$\alpha\cdot 10^{6}$$, $$K^{-1}$$	$$\rho$$, $$\frac{kg}{m^3}$$	$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20	160–180	8.5	8200	0.86

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	d5, %	Treatment
Tape	GOST 10994-74	<2.0	Transverse		1200	850	15

Твёрдость по Роквеллу

Rolling	Standard	Classifiers	Value, HRC
Rolling	Standard	Classifiers	Value, HRC
Tape	GOST 10994-74		32

Limit operating modes

Standard	Температура, °C
Standard	Температура, °C
GOST 10994-74	350

Heat Treatment Modes

Treatment
Treatment
Raskalka 1000 ± 20оС - holding time 20 ... 40 min. Water cooling + tempering 700 ± 10 ° C

Standards

Standard	Description
Standard	Description
GOST 10994-74

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
ET	%	Total other items
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Co	%	Cobalt
Cr	%	Chrome
Ti	%	Titan
Cu	%	Copper
Ni	%	Nickel
Zr	%	Zirconium
Al	%	Aluminium
Nb	%	Niobium
Mo	%	Molybdenum
N	%	Nitrogen

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$$E\cdot 10^{9}$$	$$MPa$$	Elastic modulus
$$\alpha\cdot 10^{6}$$	$$K^{-1}$$	Coefficient of thermal (linear) expansion (range 20°C–T)
$$\rho$$	$$\frac{kg}{m^3}$$	The density of the material
$$R\cdot 10^{-6}$$	$$\Omega\cdot m$$	Electrical resistivity

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$$\sigma_{Y}$$	$$MPa$$	Yield strength
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength