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Steel 60ХН

Steel 45KhNM (45KhNMA) 4X2NMF steel Steel 55X Steel 60Kh2SMF Steel 60CrNiG 60KhN steel 75XM steel Steel 75KhSMF 7X2SMF steel Steel 90KhMF Steel 9Х2МФ (9Х2МФА)

Designation

Name The value
Designation GOST Cyrillic 60ХН
Designation GOST Latin 60XH
Transliteration 60HN
The chemical elements 60CrН

Description

60ХН steel is used: for the production of forgings of various parts of General engineering; work rolls Blumenhof, rollable, billet, rail and structural steel and heavy section mills; work rolls of sheet mills for hot rolling of metals.

Standards

Name Code Standards
Metal forming. Forgings В03 TU 108-11-905-87, TU 108.11.917-87

Chemical composition

Standard C S P Mn Cr Si Ni Fe
TU 108.11.917-87 0.55-0.65 ≤0.04 ≤0.04 0.5-0.8 0.6-0.9 0.17-0.37 1-1.5 The rest
Fe is the basis.
According to TU 108.11.917-87, after processing the steel, a limitation on the content of sulfur and phosphorus is introduced on the OSRV. The total content of sulfur and phosphorus after OSRV ≤ 0.050%.

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
A sample with diameter 10 mm, length 50 mm, deformed. The rate of deformation of 5 mm/min strain Rate of 0.002 1/s
- - - ≥94 ≥40 ≥100 - -
- - - ≥77 ≥40 ≥100 - -
- - - ≥55 ≥40 ≥100 - -
- - - ≥38 ≥40 ≥100 - -
- - - ≥27 ≥38 ≥100 - -
- - - ≥23 ≥39 ≥100 - -
The barrels of the rolls of sheet mills for hot rolling. Hardening + Vacation
500 - - - - - - 255-302
Rolls. Normalization at 840 °C + Vacation at 650 °C (indicated as the place of clippings sample)
600 - 390-540 710-950 16-21 28-51 150-590 207-248
Forgings. Quenching 840-860 °C (exposure 4 h)
- 460-500 1090-1210 1250-1350 12-14 33-36 280-400 363-388
The barrels of the rolls of sheet mills for hot rolling. Normalization + Vacation
1600 - - - - - - 229-285
Rolls. Normalization at 840 °C + Vacation at 650 °C (indicated as the place of clippings sample)
600 - 390-560 710-860 16-20 30-52 340-590 207-248
Forgings. Quenching 840-860 °C (exposure 4 h)
- 520-580 940-1090 1250-1350 12-15 36-39 430-730 321-352
The barrels of the rolls of sheet mills for hot rolling. Normalization + Vacation
1200 - - - - - - 229-285
Rolls. Normalization at 840 °C + Vacation at 650 °C (indicated as the place of clippings sample)
600 - ≥450 ≥840 ≥15 ≥23 ≥160 ≥241
Forgings. Quenching 840-860 °C (exposure 4 h)
- 600-640 750-920 960-1050 17-22 41-51 700-1070 288-311
Barrel rolls for cogging and section rolling mills for hot rolling. Hardening + Vacation
500 - - - - - - 255-302
Forgings. Normalization at 860 °C + Vacation at 600 °C (named place of clippings sample)
200 - ≥690 ≥1050 ≥15 ≥27 - ≥269
Barrel rolls for cogging and section rolling mills for hot rolling. Normalization + Vacation
1500 - - - - - - 229-285
Forgings. Normalization at 860 °C + Vacation at 600 °C (named place of clippings sample)
200 - 680-700 1030-1050 12-16 23-30 - 269-285
Forgings. Normalization at 860 °C + Vacation at 600 °C
200 - 690 1050 15 27 - -
Forgings. Normalization at 860 °C + Vacation at 600 °C (named place of clippings sample)
200 - 660-690 1040 13-15 32-36 - 255-285
Mode, combining preliminary and final anti-flake heat treatment: loading at 600-650 °C, cooling with the furnace to 300-320 °C, exposure 2 h/100 mm, heating with the furnace to 950 °C, exposure time 0.5 h, cooling to 840-860 °C, exposure: 0.5/100 mm, air cooling to 400 °C, then oven to 200-250 °C, exposure 2 h/100 mm. Heating with the furnace to 710 °C, exposure for 0.5 h, then cooled to 590-601 °C, exposure at the initial stage of 1.5 h/100 mm, in the forging stage 6h/100mm, then cooled at 30 °C/h to 400 °C, then 15 °C/h to 150 °C (samples tangential, specify the location of the fillet sample)
1000 - ≥420 ≥840 ≥10 ≥10 - ≥241
500 - ≥460 ≥920 ≥6 ≥10 - ≥255
800 - ≥445 ≥790 ≥8 ≥11 - ≥217
1000 - ≥520 ≥880 ≥12 ≥23 - ≥255
500 - ≥465 ≥810 ≥9 ≥23 - ≥241
800 - ≥470 ≥830 ≥16 ≥19 - ≥229
1000 - ≥450 ≥880 ≥14 ≥36 - ≥241
500 - ≥470 ≥890 ≥11 ≥17 - ≥241
800 - ≥510 ≥860 ≥14 ≥30 - ≥241
1000 - ≥400 ≥760 ≥9 ≥12 - ≥217
500 - ≥550 ≥920 ≥5 ≥6 - ≥255
800 - ≥420 ≥780 ≥10 ≥15 - ≥207

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

Technological properties

Name The value
Weldability does not apply to welded structures.
Propensity to temper brittleness inclined
Forging temperature Start - 1200 °C, the end - of 800 °C. the cross Sections up to 250 mm are cooled in air, 251-350 mm - in the pit.
Flock-sensitive sensitivity sensitive
Workability by cutting In the annealed condition with NV 170-207 and blower SB=610 MPa Kn TV.SPL.=0.85 Kn b.St.=0.80

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