07H17N16TL
alloy fittings critical applications, which are requirements for low magnetic susceptibility, high corrosion resistance and good machinability; corrosion-resistant austenitic steel
Classification
Country | Section | Category |
---|---|---|
CIS, Russia, Ukraine | Steels and alloys for castings | Steel for casting with special properties |
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Ni, % | P, % | C, % | S, % |
---|---|---|---|---|---|---|---|---|---|
GOST 977-88 | 62.095–67.755 | 0.2–0.6 | 1–2 | 16–18 | 0.005–0.15 | 15–17 | < 0.035 | 0.04–0.1 | < 0.02 |
Information on suppliers
Mechanical properties at 20 °C
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
---|---|---|---|---|---|---|---|---|---|---|
Castings | GOST 977-88 | 441 | 196 | 40 | 55 | 392 |
Heat Treatment Modes
Treatment |
---|
Hardening 1050 - 1100 ° C, cooling in water |
Standards
Standard | Description |
---|---|
GOST 977-88 |
Description of chemical elements
Element | Units of measurement | Description |
---|---|---|
Fe | % | Iron |
Si | % | Silicon |
Mn | % | Manganese |
Cr | % | Chrome |
Ti | % | Titan |
Ni | % | Nickel |
P | % | Phosphorus |
C | % | Carbon |
S | % | Sulfur |
Description of mechanical properties
Parameter | Units of measurement | Description |
---|---|---|
$$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
$$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
$$\epsilon_L$$ | % | Elongation at break (longitudinal) |
$$\psi$$ | % | Reduction in cross section on fracture |
$$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |