Designation
| Name |
The value |
| Designation GOST Cyrillic |
14ХГ2САФД |
| Designation GOST Latin |
14XG2CAFD |
| Transliteration |
14HG2SAFD |
| By chemical elements |
14CrMn2СNVCu |
Description
14ХГ2САФД steel is used: for production platforms, dump trucks, designs support shafts, bearing structures of bridges.
Note
Alloy high wear-resistant martensitic-banana steel.
The analogue of the Swedish HARDOX WELDOX brands.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-3323-82 |
| Sheets and strips |
В23 |
TU 14-1-4632-93 |
| Sheets and strips |
В33 |
TU 14-1-5241-93 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
N |
Al |
V |
| TU 14-1-5241-93 |
0.12-0.18 |
≤0.02 |
≤0.035 |
1.4-1.9 |
0.5-0.8 |
0.4-0.7 |
≤0.3 |
Rest |
0.1-0.4 |
0.01-0.02 |
0.01-0.05 |
0.04-0.08 |
| TU 14-1-3323-82 |
0.12-0.18 |
≤0.01 |
≤0.02 |
1-1.8 |
0.4-0.8 |
0.4-0.7 |
≤0.3 |
Rest |
0.1-0.4 |
0.01-0.02 |
0.01-0.02 |
0.04-0.08 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
KCU, kJ/m2 |
| Rolled plates as supplied by TU 14-1-5241-93. Quenching + Tempering (samples transverse) |
| 10-40 |
490-735 |
590-835 |
≥16 |
≥588 |
| 40-50 |
590-930 |
685-1030 |
≥14 |
≥490 |
| Sheet and strip heat-treated rolled products in delivery condition on the other 14-1-4632-93 (samples transverse) |
| 5-25 |
490-735 |
590-830 |
≥16 |
- |
| Flat products of high strength in the delivery condition on the other 14-1-3323-82 (samples transverse, in the delivery condition specified strength) |
| - |
490-735 |
590-830 |
≥16 |
≥588 |
| - |
590-835 |
690-930 |
≥14 |
≥490 |
| - |
685-930 |
780-1030 |
≥14 |
≥490 |
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 |
| KCU |
Toughness |
Technological properties
| Name |
The value |
| Weldability |
Satisfactory weldability. Requires pre-heating. |
| Склонность к отпускной хрупкости |
High resistance to brittle fracture. |
