EI578 (18H3MV)
Einstufung
Land |
Abschnitt |
Kategorie |
GUS, Russland, Ukraine |
Korrosionsbeständige Legierungen und Stähle |
Korrosionsbeständige Legierungen |
Chemische Zusammensetzung
Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ti, % |
Ni, % |
V, % |
P, % |
C, % |
S, % |
Mo, % |
W, % |
|
93.895–95.88 |
0.17–0.37 |
0.25–0.5 |
2.5–3 |
< 0.03 |
< 0.3 |
0.05–0.15 |
< 0.03 |
0.15–0.2 |
< 0.025 |
0.5–0.7 |
0.5–0.8 |
Informationen zum Lieferanten
Properties
Property |
Products according to GOST 20072 Oil quenching and tempering Note For bars with a diameter or thickness over 90 mm to 150 mm, a reduction in elongation of 2 abs.% Is allowed, |
relative narrowing by 5 abs.% and impact strength by 10 rel.%. |
For bars with a diameter or thickness of 151 mm and above, a reduction in relative elongation by 3 abs.%, Relative narrowing by 10 abs.% And impact strength by 15 rel.% Is allowed |
In steel of the highest quality category, the temporary tensile strength is limited: the minimum allowable value must correspond to the specified values, |
and the maximum should not exceed the minimum by 196 N / mm2 |
Diameter: <90 mm; Yield strength:> 440 MPa Tensile strength:> 640 MPa Elongation:> 18% |
Products according to GOST 20072 At the request of the consumer Diameter: <90 mm; Impact strength KCU at 20 ° C:> 118 J / cm2 |
Products according to GOST 20072 Creep and long-term strength values Temperature: 450 ° C; Creep limit corresponding to 1% of total deformation per 100,000 h:> 157 MPa Creep limit corresponding to 1% of total deformation for 10,000 h:> 226 MPa |
Products according to GOST 20072 Creep and long-term strength values Temperature: 500 ° С; Creep limit corresponding to 1% of the total strain for 10,000 hours:> 118 MPa |
Products according to GOST 20072 Creep and long-term strength values Temperature: 550 ° C; Creep limit corresponding to 1% of the total strain for 10,000 hours:> 74 MPa |
Weldability By NAKS Group: M03 (W03) |
Operational characteristics According to GOST R 54803-2011 Forgings Application temperature: -40 - 510 ° C |
Performance characteristics According to STO 00220227-006-2010 Application temperature: -50 - 510 ° C |
According to TU 14-3R-251-2007 Longitudinal samples Yield strength:> 441 MPa Tensile strength:> 637 MPa Elongation:> 18% |
According to TU 14-3R-251-2007 Longitudinal samples Hardness HB: 197 - 241 Impact strength KCU at 20 ° C:> 118 J / cm2 |
Cross Samples Yield Strength:> 441 MPa Tensile Strength:> 637 MPa Elongation:> 16% |
Transverse samples Hardness HB: 197 - 241 Impact strength KCU at 20 ° C:> 107.8 J / cm2 |
Calculated Properties Density: 7.92 g / cm3 |
Standards
Beschreibung der chemischen Elemente
Element |
Maßeinheiten |
Beschreibung |
Fe |
% |
Eisen |
Si |
% |
Silizium |
Mn |
% |
Mangan |
Cr |
% |
Chrom |
Ti |
% |
Titan |
Ni |
% |
Nickel |
V |
% |
Vanadium |
P |
% |
Phosphor |
C |
% |
Kohlenstoff |
S |
% |
Schwefel |
Mo |
% |
Molybdän |
W |
% |
Wolfram |