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Steel 34ХН1М (0ХН1М)

Steel 03Х11Н10М2Т2Ю (EC19; VNS17UP) Steel 04Х14Т3Р1Ф (ChS82; 04Х14Т5Р2Ф; ChS82М) Steel 100XHNMF 22Cr3M steel Steel 34KhN1M (0KhN1M) Steel 34KhN1MA (34KhN1M) 35KhMFA steel Steel 70Г14Н3 (ЭИ94) Steel 85G13 (EI700) X17H2 steel X23H18 steel X30 steel KhN28MDT steel

Designation

Name The value
Designation GOST Cyrillic 34ХН1М
Designation GOST Latin 34XH1M
Transliteration 34HN1M
The chemical elements 34CrН1Mo
Name The value
Designation GOST Cyrillic 0ХН1М
Designation GOST Latin 0XH1M
Transliteration 0HN1M
The chemical elements 0CrН1Mo

Description

34ХН1М steel is used: for the manufacture of forgings of various parts of General engineering; solid-rolled rings for different purposes, disks, shafts, rotors of turbines and compressors, excavators, shafts, axles and couplings, gears, hubs, shaft-pinion, bolt, weight pins, and other critical high-load parts, which meet high requirements for mechanical properties and working temperatures up to +500 °C; backup rolls of rolling mills.

Note

Steel high-alloyed quality.

Standards

Name Code Standards
Metal forming. Forgings В03 GOST 8479-70, TU 108-11-38-76, TU 0306.018-80, TU 108.11.917-87, ST ЦКБА 010-2004
Sectional and shaped rolling В32 OST 1 92049-76

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Mo
TU 108.11.917-87 0.3-0.4 ≤0.035 ≤0.03 0.5-0.8 1.3-1.7 0.17-0.37 1.3-1.7 The rest ≤0.3 0.2-0.3
Fe is the basis.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Forgings. Hardening + Vacation
300-500 ≥315 ≥570 ≥12 - ≥290 167-207
100-300 ≥440 ≥635 ≥14 - ≥540 197-235
300-500 ≥440 ≥635 ≥13 - ≥490 197-235
500-800 ≥440 ≥635 ≥11 - ≥390 197-235
100 ≥440 ≥635 ≥16 - ≥590 197-235
100-300 ≥490 ≥655 ≥13 - ≥540 212-248
300-500 ≥490 ≥655 ≥12 - ≥490 212-248
500-800 ≥490 ≥655 ≥11 - ≥390 212-248
100-300 ≥540 ≥685 ≥13 - ≥490 223-262
300-500 ≥540 ≥685 ≥12 - ≥440 223-262
100 ≥540 ≥685 ≥15 - ≥590 223-262
100-300 ≥590 ≥735 ≥13 - ≥490 235-277
300-500 ≥590 ≥735 ≥12 - ≥440 235-277
100-300 ≥640 ≥785 ≥12 - ≥490 248-293
100 ≥640 ≥785 ≥13 - ≥590 248-293
100-300 ≥685 ≥835 ≥12 - ≥490 262-311
100 ≥685 ≥835 ≥13 - ≥590 262-311
100 ≥735 ≥880 ≥13 - ≥590 277-321
Forgings. Normalization
100-300 ≥395 ≥615 ≥15 - ≥540 187-229
100 ≥395 ≥615 ≥17 - ≥590 187-229
The sample with diameter of 6 and a length of 30 mm and extruded. The rate of deformation of 16 mm/sec. The strain rate of 0.009 1/s.
- ≥89 ≥15 ≥49 ≥84 - -
- ≥39 ≥58 ≥46 ≥65 - -
- ≥20 ≥27 ≥45 ≥100 - -
Forging. Quenching in oil from 860 °C to + Vacation at 660 °C
- 590-640 790-820 19-23 ≥68 200-250 -
- ≥560 ≥740 18-20 62-68 - -
- ≥520 ≥730 ≥15 54-56 - -
- ≥480 630-670 19-21 ≥72 - -
- 440-470 510-520 22-24 83-84 - -
Forgings. Isothermal annealing of 860-870 °C, exposure at 640-660 °C, then cooling with the furnace
700 ≥320 ≥580 ≥11 - ≥300 167-207

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 limited weldability. Welding methods: SMAW, ESW.
Propensity to temper brittleness malosana
Forging temperature Start - 1240 °C, the end - 780 °C. the cross Sections up to 100 mm are cooled in air, 101-300 mm in the pit.
Flock-sensitive sensitivity highly sensitive
Workability by cutting After annealing at NV 210-230 blower SB=650 MPa Kn TV.SPL.=0.8

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