Steel 09Х16Н16МВ2БР (ЭП184; Х16Н16МВ2БР)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
09Х16Н16МВ2БР |
| Designation GOST Latin |
09X16H16MB2BP |
| Transliteration |
09H16N16MV2BR |
| The chemical elements |
09Cr16Н16MoW2NbB |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП184 |
| Designation GOST Latin |
EP184 |
| Transliteration |
EhP184 |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
Х16Н16МВ2БР |
| Designation GOST Latin |
X16H16MB2BP |
| Transliteration |
H16N16MV2BR |
| The chemical elements |
Cr16Н16MoW2NbB |
Description
09Х16Н16МВ2БР steel is used: for proizvodstva pipes, superheaters, steam collectors and long time operation at temperatures up to +600−700 °C; tubes of thermal power plants with operating steam parameters up to 315 at. and temperatures up to 650 °C.
Note
The austenitic steel.
Standards
| Name |
Code |
Standards |
| Bulls. Blanks. Slabs |
В31 |
TU 14-1-359-72 |
| Pipes steel and connecting parts to them |
В62 |
TU 14-3-207-81 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
B |
Mo |
Nb |
W |
| TU 14-1-359-72 |
0.06-0.11 |
≤0.015 |
≤0.02 |
≤0.6 |
15-17 |
≤0.8 |
15-17 |
The rest |
- |
≤0.005 |
0.4-0.9 |
0.6-1 |
2-3 |
| TU 14-3-207-81 |
0.06-0.11 |
≤0.02 |
≤0.03 |
≤0.6 |
15-17 |
≤0.8 |
15-17 |
The rest |
≤0.3 |
0.002-0.005 |
0.4-0.9 |
0.6-1 |
2-3 |
Fe is the basis.
According to TU 14-1-359-72, the chemical composition is presented for steel grade 09H16N16MV2BR-VD (EP184-VD). In the steel grade 09H16N16MV2BR (EP184), the sulfur content is not more than 0.020%, the phosphorus content is not more than 0.030%. In both grades, the residual copper content is allowed up to 0.150%. Deviations in the sulfur content of +0.0050% and phosphorus of +0.010% are allowed. The content of boron is calculated and chemical analysis is not determined. The presence of boron is determined by the steel manufacturer.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
| Tubular billet of steel 09Х16Н16МВ2БР-VD and 09Х16Н16МВ2БР on the other 14-1-359-72. Heating to 1120-1150 °C, cooling in water (longitudinal samples) |
| 20-25 |
≥198 |
≥490 |
≥38 |
≥50 |
1170 |
| Tubular billet on the other 14-3-207-81 (DH = 32-370 mm; wall thickness 6-45 mm). Austenization |
|
≥198 |
≥490 |
≥35 |
≥50 |
≥1170 |
| Tubes in the delivery condition on the other 14-3-207-81 |
|
≥240 |
≥530 |
≥38 |
≥50 |
≥1380 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
r, кг/м3 |
l, Вт/(м · °С) |
R, НОм · м |
a, 10-6 1/°С |
| 20 |
8120 |
1382 |
820 |
- |
| 100 |
- |
1507 |
870 |
171 |
| 200 |
- |
1633 |
934 |
171 |
| 300 |
- |
1717 |
980 |
176 |
| 400 |
- |
1884 |
1031 |
179 |
| 500 |
- |
2052 |
1071 |
182 |
| 600 |
- |
2261 |
1111 |
185 |
| 700 |
- |
247 |
- |
188 |
| 800 |
- |
- |
- |
191 |
| 900 |
- |
- |
- |
192 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
Technological properties
| Name |
The value |
| Pressure treatment |
Tubular billet on the other 14-1-359-72 must have the clan are less than 3.4 in terms of the sizes of average cross-section of ingot and billet. |
| Macrostructure and contamination |
The macrostructure of the workpiece on the other 14-1-359-72 when checking for cross etched templeto should not have podnasadochnogo looseness, bubbles, cracks, inclusions, subcortical bubbles and crust under the devil. 11a and 11b GOST 10243 visible without using the magnifying devices. The presence of layer-by-layer crystallization and the bright contour in the macrostructure of metal and VDP is not a rejection symptom. The defects allowed must not exceed (for open smelting / non VDP) in points: - point heterogeneity - 2,0 / 1,0 - Central porosity - 2,0 / 1,0 - segregated square: 2,0 / 1,0. Layer-by-layer crystallization is not a rejection symptom. The metal workpiece is subjected to the control of nonmetallic inclusions. Norms of contamination of non-metallic inclusions for the SDT by the maximum score of no more than: - iron oxides and silicates - 2.0 points; - sulphides - 1.0 points; - nitrides and carbonitrides of niobium 3.5 points; - globules - 1.0 points. Standards for metal open method of smelting by the average score must not exceed: - iron oxides and silicates - 3,5 points - sulphides - 3.0 points, nitrides and carbonitrides of niobium (scale No. 8 Crniti) - 5.0 points; - globules - 3.0 points. Maximum score: - sulfides - 4.0 points; - oxides of 4.0 points. The metal workpiece is subjected to VDP control of nitrogen content, which should be no more than 0,0450 %. |
| Corrosion resistance |
Tubular billet on the other 14-1-359-72 must withstand the test of intercrystalline corrosion. |
