| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | Х20Н32Т |
| Designation GOST Latin | X20H32T |
| Transliteration | H20N32T |
| By chemical elements | Cr20Ni32Te |
| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | ХН32Т |
| Designation GOST Latin | XH32T |
| Transliteration | HN32T |
| By chemical elements | CrNi32Te |
| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | ЭП670 |
| Designation GOST Latin | EP670 |
| Transliteration | EhP670 |
| By chemical elements | - |
Alloy Х20Н32Т used: for the production of HRP (5−20 mm); exhaust pipes; sheet metal parts of high temperature installations in petrochemical engineering for a long service at temperatures of +700−850 °C.
High-temperature alloy, iron-Nickel basis.
The recommended maximum operating temperature for a very long time +850 °C. the Temperature of beginning of intensive scaling in air to +1000 °C.
| Name | Code | Standards |
|---|---|---|
| Name | Code | Standards |
| Bars and shapes | В22 | GOST 1133-71, GOST 2590-2006 |
| Bars and shapes | В32 | GOST 14955-77, TU 14-1-284-72, TU 14-11-245-88 |
| Sheets and strips | В33 | GOST 24982-81, TU 14-1-625-73 |
| Processing of metals by pressure. Forgings | В03 | GOST 25054-81 |
| Classification, nomenclature and General rules | В30 | GOST 5632-72 |
| Blanks. Of the workpiece. Slabs | В31 | OST 3-1686-90, TU 14-1-2111-77 |
| Thermal and thermochemical treatment of metals | В04 | STP 26.260.484-2004 |
| Steel pipes and fittings to them | В62 | TU 14-3-489-76, TU 14-158-135-2003 |
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | Ti | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | Ti | Mo |
| TU 14-1-625-73 | ≤0.05 | ≤0.02 | ≤0.03 | ≤0.7 | 19-22 | ≤0.7 | 30-34 | Rest | ≤0.3 | ≤0.5 | 0.25-0.6 | - |
| GOST 5632-72 | ≤0.05 | ≤0.02 | ≤0.03 | ≤0.7 | 19-22 | ≤0.7 | 30-34 | Rest | ≤0.3 | ≤0.5 | 0.25-0.6 | ≤0.3 |
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | y, % |
|---|---|---|---|---|
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | y, % |
| Steel cold-rolled sheet (0.8 to 3.9 mm) and HR (2.0 to 11.0 mm) in the delivery state according to GOST 24982-81. Quenching in water, under a water shower or air from 1100-1150 °C | ||||
| ≤3.9 | ≥195 | ≥470 | ≥25 | - |
| 4-11 | ≥175 | ≥490 | ≥30 | - |
| Forgings. Annealing in air from 1100-1150 °C | ||||
| ≤100 | ≥176 | ≥470 | ≥30 | ≥35 |
| Bars hot rolled and forged 20-180 mm on THAT 14-1-284-72. Quenching in water or air from 1100-1150 °C | ||||
| ≥177 | ≥470 | ≥40 | ≥60 | |
| Bars hot rolled and forged at STP 26.260.484-2004. Quenching in water or air from 1100-1150 °C | ||||
| ≥180 | ≥490 | ≥30 | ≥35 | |
| Heavy-gauge hot-rolled steel in the delivery state on the other 14-1-625-73. Quenching in water or air with 1080-1120 °C | ||||
| 5-20 | ≥178 | ≥494 | ≥30 | - |
| Cold-rolled tubes after austenization on delivery | ||||
| - | ≥470 | ≥35 | - | |
| Name | Description |
|---|---|
| Name | Description |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| Temperature | Е, HPa | r, kg/m3 | l, W/(m · °C) | a, 10-6 1/°C |
|---|---|---|---|---|
| Temperature | Е, HPa | r, kg/m3 | l, W/(m · °C) | a, 10-6 1/°C |
| 20 | 205 | 8160 | 159 | - |
| 100 | - | - | 134 | 137 |
| 200 | - | - | 151 | 156 |
| 300 | - | - | 167 | 172 |
| 400 | - | - | 18 | 18 |
| 500 | - | - | 192 | 18 |
| 600 | - | - | 205 | 184 |
| 700 | - | - | 217 | 189 |
| 800 | - | - | 234 | 19 |
| Name | Description |
|---|---|
| Name | Description |
| Е | The normal elasticity modulus |
| r | Density |
| l | Coefficient of thermal conductivity |
| R | UD. the resistivity |
