Designation
| Name |
The value |
| Designation GOST Cyrillic |
13ХГМРБ |
| Designation GOST Latin |
13XGMPB |
| Transliteration |
13HGMRB |
| By chemical elements |
13CrMnMoBNb |
Description
13ХГМРБ steel is used: for the manufacture of steel structures hoisting equipment; loaded wheels of centrifugal compressors.
Note
High-strength martensitic-banana alloy steel.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В33 |
TU 14-1-5241-93, TU 14-1-1156-74 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
B |
Mo |
Nb |
| TU 14-1-1156-74 |
0.1-0.16 |
≤0.035 |
≤0.035 |
0.9-1.2 |
1.1-1.5 |
0.17-0.37 |
≤0.3 |
Rest |
≤0.3 |
0.02-0.08 |
0.001-0.006 |
0.4-0.5 |
0.01-0.04 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| Sheet metal in delivery condition on the other 14-1-1156-74, TU 14-1-5241-93 (samples transverse) |
| 8-50 |
590-835 |
690-930 |
≥14 |
Description mechanical marks
| 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 |
Technological properties
| Name |
The value |
| Weldability |
When welding requires preheating. Preferred welding under flux and in shielding gases. |
| Склонность к отпускной хрупкости |
High resistance to brittle fracture. |
