EI612K (HN35KWT)

Classification

Country Section Category
CIS, Russia, Ukraine Corrosion-resistant alloys and steels Corrosion-resistant heat-resistant steel

Chemical composition

Standard Fe, % Si, % B, % Mn, % Co, % Cr, % Ti, % Ni, % Al, % P, % C, % S, % W, %
TU 14-1-272-72 33.25–43.5 < 0.5 < 0.01 1–2 3.5–4.5 14–16 1.2–1.6 34–38 < 0.5 < 0.02 < 0.1 < 0.02 2.8–3.5

Information on suppliers

Properties

Property
According to TU 14-1-272-72 Yield strength:> 345 MPa Tensile strength:> 590 MPa Elongation:> 15%
According to TU 14-1-272-72 Impact strength KCU at 20 ° C:> 68.6 J / cm2 Relative narrowing:> 35%
Reference characteristics Elastic modulus (Young's modulus): 193 GPa Density: 8.2 g / cm3 Linear expansion coefficient: 14.8 - 16.5 (10 ^ 6) / ° С
Reference characteristics Tempering with tempering Yield strength:> 350 MPa Tensile strength:> 650 MPa Elongation:> 15%
Reference characteristics Tempering with vacation
Reference characteristics Aging Yield strength:> 400 MPa Tensile strength:> 750 MPa Elongation:> 15%
Reference characteristics Aging Hardness HB: 229 Impact strength KCU at 20 ° C:> 50 J / cm2 Relative narrowing:> 25%
Note Parts operating at temperatures up to 700 ° C. Old version of the standard.

Standards

Standard Description
TU 14-1-272-72

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Co % Cobalt
Cr % Chrome
Ti % Titan
Ni % Nickel
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
W % Tungsten