20H13N4G9 (EI100, 2H13N4G9)
for various parts and structures to be welded by spot welding; austenite steel — martensitic class
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant ordinary steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 70.125–76.15 | < 0.8 | 8–10 | 12–14 | 3.7–4.7 | < 0.05 | 0.15–0.3 | < 0.025 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Rod | GOST 5949-75 | 640 | 245 | 35 | 55 | hardening | |||
| Sheet | GOST 4986-79 | 590 | 18–35 | Hardening of 1050-1080 ° C, air cooling | |||||
| The sheet is thin and hardened. | GOST 5582-75 | 980 | 15 | ||||||
| Sheet | GOST 5582-75 | 640 | 40 | Hardening of 1050-1080 ° C, cooling water |
Analogues
| Germany | USA |
|---|---|
| Almenit 4310 | X10CrNi18-8 |
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 | |
| GOST 5949-75 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| 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 |