EI211 (20H20N14S2)
Classification
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GOST 5632-14 | 57.04–67 | 2–3 | < 1.5 | 19–22 | < 0.2 | < 0.3 | 12–15 | < 0.2 | < 0.035 | < 0.2 | < 0.025 | < 0.3 | < 0.2 |
Information on suppliers
Properties
Property |
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Performance characteristics Scale formation temperature: 1000 - 1050 ° C |
According to GOST 5949 Note. The norms of mechanical properties apply to samples taken from steel with a diameter or thickness of up to 60 mm. |
For steel with a diameter or thickness of st. 60 to 100mm, a reduction in elongation of 1abs.% Is allowed, |
relative narrowing by 5abs.% and impact strength by 4.9 J / cm2 at a rate of less than 78.4 J / cm2 and by 9.8 J / cm2 at a rate of 78.4 J / cm2 or more. |
For steel with diameter or thickness sv. 100 to 150mm is allowed to decrease the relative elongation by 3abs.% |
a relative narrowing of 10 abs.% and impact strength of 9.8 J / cm2 at a rate of less than 78.4 J / cm2 and at 14.7 J / cm2 at a rate of 78.4 J / cm2 or more. |
Quenching 1000 - 1150 ° C, cooling in air or in water |
According to GOST 5949 Yield strength:> 295 MPa Tensile strength:> 590 MPa Elongation:> 35% Elongation:> 55% |
By agreement M1 (tests at elevated temperature) Note By agreement |
Calculated Properties Density: 7.74 g / cm3 |
Note Heat-resistant steel. Austenitic-ferritic (two-phase, duplex) steel. Stable in carburizing environments. |
Analogues
Standards
Standard | Description |
---|---|
GOST 5632-14 | |
GOST 5632-72 | |
GOST 5949-18 |