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
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 |