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Steel 05Х12Н2М

Steel 16Х12В2ФТаР (EC181) Steel 17Х18Н9 (2Х18Н9) Steel 15Х16Н2АМ (EP479) Steel 14Х20Н25В5МБ (LZhT) Steel 14Х17Н2 (ЭИ268) Steel 13Х16Н3М2АФ (VNS57) Steel 12Х18Н9 (Х18Н9) Steel 12Х12М1БФР (EP450) Steel 11Х17Н Steel 10Х25Н6АТМФ Steel 10Х20Н33Б 10X18H9 steel 10X18N10T steel (EP502) Steel 10Х12Н3М2БФ Steel 10Х12Н20Т2 (EP452) 09Cr18Ni9 steel Steel 09X17N (ChS130) Steel 08Х20Н12АБФ Steel 08X19H12TF Steel 08Х16Н11М3 45X25H35BS steel Steel CS 116-ID (EP753U-ID) Steel 9Х13Н6ЛК4 (ЭИ928) Steel 80X20NS (EP992) Steel 50X25H35S2B Steel 50Х25Н35В5К15С Steel 50Х20Н35С2Б Steel 50Kh15MFasch Steel 4Х13Н6ЛВФ (EP354) Steel 45Х28Н49В5С Steel 08Cr13 (EI496) Steel 45X25H20C2 Steel 45X25H20S Steel 35Х24Н24Б Steel 32Х13Н6К3М2БДЛТ (VNS-32; SES1) Steel 30X23H7S Steel 23Х15Н5АМ3 (18Х15Н6АМ3; VNS-9) Steel 20Х13Н2ДМЮФ (DI96) Steel 20X13 (02X13) Steel 20Х12НМВБФАР (ЧС139) Steel 02N15K10M5F5 Steel 03N18K8M3TU (ЗИ25) Steel 03N18K1M3TU (ZI80) Steel 03N17K10V10MT (EP836) Steel 03N15K10M5F5 (EK169) Steel 03N14Cr5M3Tu (OMC-2) Steel 03N14H5M3T (EP777) Steel 03N10Cr12D2T Steel 02X8H22S6 (EP794) Steel 02N18M3K3T (EK165; ČS101) Steel 03N18K9M5TU (ChS4) Steel 01N18K9M5T (EP637U) Steel 015Cr18Nr15P30 (EP168B) Steel 015Х18Н15Р26 (EP168А) Steel 015Cr18Nr15P22 (EP167B) Steel 015Cr18Nr15P17 (EP167A) Steel 015Х18Н15Р13 (EP166Б) Steel 015Cr18Nr15P09 (EP166A) Steel 015N18M4TU (EP989; ČS5U) Steel 015N18K13M5TU (EP948; ČS35) Steel 05X12H2M Steel 07Х25Н16АГ6Ф (EP750) Steel 07Х15Н30В5М2 (ChS81) Steel 07Х12НМФБ (ChS80) Steel 07Х12НМБФ (EP609) Steel 06Х16Н15М3БР (EP172) Steel 06Х16Н15М2Г2ТФР (ЧС68) Steel 06Х15Н6МВФБ (VNS16) Steel 06X13H7D2 (EP898) Steel 05Х12Н5К14М5ТВ (EP695) Steel 08Х14Н2К3МФБ (EK93; VNS-51) Steel 04Х16Н11М3Т (DI95) Steel 03Х17Н14М3 (ЗИ66) Steel 03Х13Н5М5К9 (VNL-6) Steel 03Х12Н8МТю (ЗИ37) Steel 03Х12Н8К5М2ТЮ (ЗИ90) Steel 03Х11Н10М2Т1 (EP679) Steel 03Х11Н10М2Т (EP678; VNS-17) Steel 03N18M4TU (ChS25) Steel 03N18M3TU (ChS5)

Designation

Name The value
Designation GOST Cyrillic 05Х12Н2М
Designation GOST Latin 05X12H2M
Transliteration 05H12N2M
The chemical elements 05Cr12Н2Mo

Description

05Х12Н2М steel is used: for the production of bars with a diameter of 6−30 mm, forged billets, pipe billets and cold-drawn pipe intended for subsequent cold machining or hot for subsequent machining (stamping, forging, rolling, etc.) in the manufacture of parts of valves and pipelines of nuclear power installations.

Note

Partenitskaya high-chromium steel.

Standards

Name Code Standards
Metal forming. Forgings В03 TU 108.11.884-87
Sectional and shaped rolling В32 TU 14-1-2761-79, TU 14-1-2837-79, TU 14-131-979-2001
Bulls. Blanks. Slabs В31 TU 14-1-2836-79, TU 14-1-4995-91
Pipes steel and connecting parts to them В62 TU 14-3-1010-81, TU 14-3-873-79

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N Al Ti Mo
TU 14-1-2836-79 ≤0.05 ≤0.02 ≤0.02 0.3-0.8 11.5-13 0.17-0.37 1.4-2 The rest - ≤0.03 ≤0.1 - 0.8-1
TU 14-1-2761-79 0.02-0.06 ≤0.01 ≤0.015 0.3-0.6 11-12 0.15-0.3 1.2-1.6 The rest ≤0.08 ≤0.02 ≤0.15 ≤0.05 0.8-1
TU 14-1-4995-91 ≤0.05 ≤0.02 ≤0.02 0.3-0.8 11-12.5 0.17-0.37 1.2-1.8 The rest - ≤0.03 ≤0.15 - 0.8-1
Fe is the basis.
According to TU 14-1-2761-79, TU 14-131-979-2001 the chemical composition is given for steel grade 05X12N2M-VI, smelted in vacuum induction furnaces. In the metal, the residual content of tungsten, vanadium and cobalt is additionally controlled. Allowed the introduction of zirconium or yttrium not more than 0.10% (calculated) and the introduction of calcium no more than 0.050% (calculated). Deviations in chemical composition are allowed in the finished product in accordance with GOST 5632.
According to TU 14-1-2836-79, the chemical composition is given for steel grade 05X12N2M, smelted in electric arc or plasma arc furnaces. Steel smelted in plasma arc furnaces is marked with the stamp 05Х12Н2М-ПТ. In the steel deviations in chemical composition are allowed: for molybdenum ± 0.050%, for chromium-0.50%, for nitrogen + 0. 010%. Deviations in other elements and mass fraction of residual elements in accordance with GOST 5632. Modification with cerium or calcium is allowed not more than 0.10% (calculated). The mass fraction of cerium or calcium is not determined by chemical analysis.
According to TU 14-1-4995-91 the chemical composition is given for steel grades 05Х12Н2М and 05Х12Н2М-ПТ. Deviations in finished products are allowed according to the chemical composition: chromium -0.50%, nitrogen +0.010%, molybdenum ± 0.050%. Deviations in other elements and mass fraction of residual elements - according to GOST 5632. Modification of steel by cerium or calcium is not more than 0.10% (calculated). The mass fraction of cerium and calcium is not determined by chemical analysis.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2
Bars with special surface finish on the other 14-131-979-2001. The longitudinal samples. Normalization at 980±10 °C, air cooling + Vacation at 680±10 °C, air cooling
≥450 ≥650 ≥15 ≥60 ≥785
Tubular billet on the other 14-1-2761-79. Normalization at 980±10 °C, air cooling + Vacation at 680±10 °C, air cooling
≥392 ≥569 ≥18 ≥65 ≥1176
≥294 ≥353 ≥12 ≥55 -
Tubular billet on the other 14-1-2836-79 the 14-1-4995-91. Normalization at 980±10 °C, air cooling + Vacation at 680±10 °C, air cooling
≥451 ≥647 ≥15 ≥60 ≥765
≥343 ≥451 ≥12 ≥55 -

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
Macrostructure and contamination On the other 14-1-2836-79 the macrostructure of the billet should not have cracks, subcortical bubbles, residues shrinkage, foreign non-metallic microflute, delamination and other defects to the naked eye. Permitted in the macrostructure of the Central porosity, point heterogeneity and phase separation of a square no more than 2 points on the scale GOST 10243. The tubular billet is checked for the presence of non-metallic inclusions. The content of nonmetallic inclusions in the evaluation the average score must not exceed: - sulphides (S) ≤ 2,0; - oxides of point () ≤ 2,0; - oxides of stroke (OS) ≤ 3,0; - silicates fragile (CX) ≤ 3,0; - silicates plastic (SP) ≤ 3,0; - silicates undeformed (SN) ≤ 3,0.
Features of production On the other 14-1-2836-79 tubular billet is supplied without heat treatment. The degree okowa a tube blank must be at least 5 for a diameter of 90-160 mm and at least 4 for diameter over 160 to 180 mm inclusive.

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