15X1M1F Seamless Pipes 15Kh1M1F 15Х1М1Ф Pipes manufacturer and exporter
15X1M1F seamless pipes, offering top-quality high-temperature alloy steel tubes for use in pressure vessels, power plants, refineries, and petrochemical industries. Our 15X1M1F pipes are manufactured in accordance with Russian standards GOST 550-75 / TU 14-3R-55-2001, ensuring superior mechanical properties, heat resistance, and dimensional precision.
What is 15X1M1F Steel?
15X1M1F (also written as 15Х1М1Ф) is a low-alloy, creep-resistant steel designed for long-term operation at high temperatures. The steel contains chromium (Cr), molybdenum (Mo), and vanadium (V), which provide enhanced resistance to oxidation, corrosion, and thermal fatigue.
Technical Specifications
| Parameter |
Details |
| Standard |
GOST 550-75, TU 14-3R-55-2001 |
| Steel Grade |
15X1M1F / 15Х1М1Ф |
| Type |
Seamless Pipe / Tube |
| Outside Diameter |
10 mm – 273 mm |
| Wall Thickness |
1 mm – 25 mm |
| Length |
Up to 13 meters (custom lengths on request) |
| Delivery Condition |
Normalized + Tempered (N+T) |
| Ends |
Plain, Beveled, or Threaded |
| Grade : |
15Kh1M1F ( 15Х1М1Ф ) |
| Classification : |
Low alloy high-temperature steel |
| Equivalent grades: |
|
Chemical composition in % for grade 15Kh1M1F ( 15Х1М1Ф )
| C |
Si |
Mn |
Ni |
S |
P |
Cr |
Mo |
V |
Cu |
| 0.1 – 0.16 |
0.17 – 0.37 |
0.4 – 0.7 |
max 0.25 |
max 0.025 |
max 0.025 |
1.1 – 1.4 |
0.9 – 1.1 |
0.2 – 0.25 |
max 0.25 |
Temperature of critical points for grade 15Kh1M1F ( 15Х1М1Ф ).
| Ac1 = 770 – 819 , Ac3(Acm) = 905 – 975 , Ar3(Arcm) = 855 – 908 , Ar1 = 775 – 818 |
Mechanical properties under Т=20oС for grade 15Kh1M1F ( 15Х1М1Ф )
| Assortment |
Dimension |
Direct. |
sв |
sT |
d5 |
y |
KCU |
Heat treatment |
| – |
mm |
– |
MPa |
MPa |
% |
% |
kJ / m2 |
– |
| Pipe |
|
longitudinal |
500 |
320 |
18 |
50 |
500 |
|
| Pipe |
|
dihedral |
500 |
320 |
16 |
45 |
400 |
|
Physical properties for grade 15Kh1M1F ( 15Х1М1Ф )
| T |
E 10– 5 |
a 10 6 |
l |
r |
C |
R 10 9 |
| Grade |
MPa |
1/Grade |
Watt/(m·Grade) |
kg/m3 |
J/(kg·Grade) |
Ohm·m |
| 20 |
2.14 |
|
|
7800 |
|
|
| 100 |
2.08 |
11.2 |
41.58 |
|
|
|
| 200 |
2.01 |
11.7 |
40.3 |
|
|
|
| 300 |
1.94 |
12.5 |
38.6 |
|
|
|
| 400 |
1.87 |
13 |
36.9 |
|
|
|
| 500 |
1.77 |
13.5 |
32.7 |
|
|
|
| 600 |
1.69 |
13.7 |
34 |
|
|
|
| 700 |
1.6 |
|
|
|
|
|
| T |
E 10– 5 |
a 10 6 |
l |
r |
C |
R 10 9 |
