Труба 15х1м1F 15KH1M1F ( 15H1M1F, 15Х1М1Ф )Seamless Pipe

We are a professional manufacturer of Труба 15х1м1F 15KH1M1F ( 15H1M1F, 15Х1М1Ф )Seamless Pipe in China.

About 15х1м1f

15H1M1 °F steel is used: for the manufacture of tubes; tubes of superheaters, steam pipelines and collectors installations with high pressure, long operating at temperatures up to +585 °C; the equipment and pipelines of nuclear power plants (NPP); of billets intended for the manufacture of seamless cold, warm, hot-wrought, including hot-pressed and hot-pressed reduced pipes for steam boilers and pipelines, installations with high and supercritical steam parameters; fabrication by hot forging, welded pipe, fittings piping and stamp-welded fittings.

Characteristics of the material 15KH1M1F   ( 15H1M1F,   15Х1М1Ф ).

Material : 15KH1M1F   ( 15H1M1F,   15Х1М1Ф )
Classification : Low alloy high-temperature steel

Chemical composition in % of the material 15KH1M1F   ( 15H1M1F,   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 of the grade 15KH1M1F   ( 15H1M1F,   15Х1М1Ф ).

Ac1 = 770 – 819 ,      Ac3(Acm) = 905 – 975 ,       Ar3(Arcm) = 855 – 908 ,       Ar1 = 775 – 818

Mechanical properties under Т=20oС of the material 15KH1M1F   ( 15H1M1F,   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

 

15Cr1MoV is the equivalent grade of  15Х1М1F in China .

15Cr1MoV Chemical Element Composition Content (%)

Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value 0.13 0.17 0.8 1.2 0.8 0.2
Maximum Value 0.18 0.37 1.1 0.03 0.03 1.5 0.3 0.3 1.1 0.3

Testing & Inspection Requirements

15Kh1M1F seamless pipe is typically supplied with the following tests depending on the applicable GOST or customer requirements:

Mandatory Tests

  • Hydrostatic pressure test (Hydrotest)

  • Ultrasonic (UT) nondestructive testing

  • Eddy current test (ECT) for surface defects

  • Mechanical tests:

    • Tensile test

    • Yield strength test

    • Elongation

  • Hardness test (HB or HRC)

  • Impact test (Charpy, often at +20°C or lower)

Optional / Customer-Specified Tests

  • High-temperature tensile test (creep resistance)

  • Microstructure examination

  • Grain size evaluation

  • Positive Material Identification (PMI)

  • Heat treatment verification (tempering/normalizing)

Documentation

  • Mill test certificate EN 10204 3.1 or 3.2

  • Compliance with GOST or customer specifications

  • Heat number traceability

Applications

15Kh1M1F seamless pipe is used where high strength and heat resistance are required:

  • Steam boilers and superheaters

  • Steam pipelines (high and supercritical pressure)

  • Power plant heat exchangers

  • Petrochemical high-temperature units

  • Refineries (furnace coils, reformers)

  • High-pressure pipelines

  • Heat Treatment

Typical delivery conditions:

  • Normalized + tempered (N+T)

  • Quenched + tempered