Steel 90ХФ (9Х1Ф; 9KHF)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
90ХФ |
| Designation GOST Latin |
90XF |
| Transliteration |
90HF |
| The chemical elements |
90CrV |
| Name |
The value |
| Designation GOST Cyrillic |
9Х1Ф |
| Designation GOST Latin |
9X1F |
| Transliteration |
9H1F |
| The chemical elements |
9Cr1V |
| Name |
The value |
| Designation GOST Cyrillic |
9ХФ |
| Designation GOST Latin |
9XF |
| Transliteration |
9HF |
| The chemical elements |
9CrV |
Description
90ХФ steel is used: for the manufacture of frame, band, circular saws, knives for cold metal cutting; trimming dies and punches cold cutting metal burrs; center punches; work and backup rolls for cold rolling of metal; rail and structural steel work rolls, heavy section and wire cogging and section rolling mills for hot rolling the metal is subjected to intense wear and tear and operating under conditions of minimal or moderate impact; work and backup rolls and the backup rolls bandages composite sheet, cogging and section rolling mills for hot and cold rolling of metal.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В22 |
GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Tapes |
В34 |
GOST 2283-79, TU 14-133-201-99, TU 14-4-303-87 |
| Sheets and stripes |
В33 |
GOST 4405-75, TU 14-1-665-73, TU 14-1-717-73, TU 14-1-795-73, TU 14-1-3401-82, TU 14-131-971-2001 |
| Sectional and shaped rolling |
В32 |
GOST 5950-2000, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-19-73-89, TU 14-11-245-88, TU 14-1-1271-75 |
| Machines and equipment for metallurgical and foundry industry |
Г44 |
OST 24.013.20-90 |
| Bulls. Blanks. Slabs |
В31 |
OST 24.952.01-89, TU 14-132-171-88 |
| Metal forming. Forgings |
В03 |
TU 108-11-905-87, TU 4121-002-33902054-2004 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Ti |
Mo |
W |
| OST 24.013.20-90 |
0.85-0.95 |
≤0.03 |
≤0.03 |
0.2-0.7 |
1.4-1.7 |
0.2-0.5 |
≤0.5 |
The rest |
≤0.25 |
0.1-0.25 |
- |
- |
- |
| GOST 5950-2000 |
0.8-0.9 |
≤0.03 |
≤0.03 |
0.3-0.6 |
0.4-0.7 |
0.1-0.4 |
≤0.4 |
The rest |
≤0.3 |
0.15-0.3 |
≤0.03 |
≤0.2 |
≤0.2 |
Fe is the basis.
According to OST 24.013.20-90 the chemical composition is given for steel 90Х1Ф.
According to GOST 5950-2000 the chemical composition is given for 9ХФ steel.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
HRC |
| Barrel support roll diameter 1500 mm (indicate the place and direction of cutting out of samples) |
| - |
370-380 |
≥860 |
9-14 |
10-19 |
≥100 |
- |
| Samples of forgings. Normalizing at 870 °C to + Vacation at 650 °C |
| - |
≥670 |
≥990 |
≥19 |
≥55 |
≥450 |
31 |
| Barrel support roll diameter 1500 mm (indicate the place and direction of cutting out of samples) |
| - |
320-330 |
800-810 |
≥18 |
25-30 |
150-180 |
- |
| Samples of forgings. Normalizing at 870 °C to + Vacation at 650 °C |
| - |
≥325 |
≥390 |
≥31 |
≥81 |
≥810 |
- |
| Barrel support roll diameter 1500 mm (indicate the place and direction of cutting out of samples) |
| - |
305-320 |
770-780 |
15-18 |
13-22 |
140-190 |
- |
| Samples of forgings. Normalizing at 870 °C to + Vacation at 650 °C |
| - |
≥265 |
≥320 |
≥32 |
≥72 |
≥720 |
- |
| Barrel support roll diameter 1500 mm (indicate the place and direction of cutting out of samples) |
| - |
340-350 |
≥810 |
13-14 |
19-21 |
100-140 |
- |
| - |
470-490 |
≥920 |
≥14 |
12-20 |
≥100 |
- |
| - |
405-445 |
860-870 |
17-18 |
30-33 |
≥150 |
- |
| Cold-rolled steel strip otoshiana ordinary quality GOST 2283-79 on delivery |
| 0.1-4 |
- |
≤930 |
- |
- |
- |
- |
| The neck of the bottom side of the backing roller (specify the place and the direction of cutting out of samples) |
| - |
≥455 |
≥880 |
≥5 |
≥5 |
≥30 |
- |
| - |
≥485 |
≥950 |
≥16 |
≥24 |
≥140 |
- |
| - |
≥490 |
≥930 |
≥6 |
≥7 |
≥130 |
- |
| - |
≥490 |
≥940 |
≥16 |
≥31 |
≥200 |
- |
| The neck is a lucrative side backing roller with a diameter of 450 mm (indicate the place and direction of cutting out of samples) |
| - |
500 |
940-950 |
6-7 |
7-8 |
100-120 |
- |
| - |
490-510 |
≥960 |
9-13 |
≥11 |
100-150 |
- |
| - |
500-540 |
970-980 |
7-9 |
7-10 |
120-140 |
- |
| - |
500-510 |
≥980 |
≥14 |
23-24 |
90-150 |
- |
| - |
465-485 |
900-920 |
4-5 |
≥5 |
80-120 |
- |
| - |
480-520 |
930-970 |
≥12 |
18-20 |
120-160 |
- |
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 |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
Physical characteristics
| Temperature |
l, Вт/(м · °С) |
С, Дж/(кг · °С) |
| 100 |
44 |
460 |
| 200 |
42 |
500 |
| 300 |
38 |
560 |
| 400 |
36 |
620 |
| 500 |
33 |
670 |
| 600 |
31 |
730 |
| 700 |
29 |
1320 |
| 800 |
27 |
720 |
| 900 |
27 |
640 |
| 1000 |
- |
640 |
| 1200 |
- |
650 |
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 |
| Weldability |
Does not apply to welded structures. |
| Propensity to temper brittleness |
Inclined. |
| Forging temperature |
Start - 1150 °C, the end - of 800 °C. the cross Sections up to 100 mm are cooled in air, 101-350 mm - in the pit. |
| Flock-sensitive sensitivity |
Excessively sensitive. |
| Workability by cutting |
In the annealed condition with NV 187-196 and blower SB=680 MPa Kn TV.SPL.=0,9 Kn b.St.=0,6. |
