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Steel 09Х18Н9

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 09Х18Н9
Designation GOST Latin 09X18H9
Transliteration 09H18N9
The chemical elements 09Cr18Н9

Description

09Х18Н9 steel is used: for the production of billets; hot rolled seamless tubes for shipbuilding outer diameter 108−325 mm; electropolishing cold-deformed seamless tubes (including the facilities and equipment of nuclear power); seamless cold-deformed pipes with an outer diameter of 108−194 with a high surface quality for power.

Note

Stainless steel with controlled ferrite.

Standards

Name Code Standards
Metal forming. Forgings В03 ST ЦКБА 010-2004
Bulls. Blanks. Slabs В31 TU 14-1-1288-75, TU 14-1-3119-81
Sectional and shaped rolling В32 TU 14-1-1326-75
Sheets and stripes В33 TU 14-1-3409-82
Pipes steel and connecting parts to them В62 TU 14-3-1061-81, TU 14-3-52-72, TU 14-3-760-78, TU 14-159-295-2004, TU 14-161-216-2003, TU 14-3-1233-84, TU 14-3-1956-94

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Ti
TU 14-159-295-2004 0.07-0.1 ≤0.02 ≤0.02 1-2 17-19 ≤0.8 8-10 The rest ≤0.3 ≤0.1
TU 14-1-3119-81 0.07-0.1 ≤0.02 ≤0.02 1-2 17-19 ≤0.8 8-10 The rest ≤0.25 ≤0.1
Fe is the basis.
According to TU 14-161-216-2003, TU 14-3-1956-94 and TU 14-159-295-2004 the allowable deviation in the content of C (carbon) is minus 0.01%. Residual content of elements in the chemical composition of steel - according to GOST 5632.
According to TU 14-1-3119-81 for steel grade 09H18N9, deviations in chemical composition are allowed: by carbon-0.010%, molybdenum ± 0.050%, vanadium ± 0.050%. The content of impurities of non-ferrous metals (tin, arsenic, lead, zinc, antimony, bismuth) should not exceed the 1 st point of a ten-point scale of spectral analysis. The content of residual elements in steel should be in accordance with GOST 5632.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, %
The tubular billet. Quenching in water from 1050-1080 °C, cooling in water or air on the other 14-1-1288-75
≥196 ≥490 ≥50
≥98 ≥294 ≥30
Tubes seamless cold-drawn heat-treated in the delivery condition on the other 14-159-295-2004, THE 14-161-216-2003
≥196 ≥490 ≥40
≥98 ≥294 ≥22
Pipe heat-treated in the delivery condition on the other 14-3-1956-94
≥196 ≥490 ≥40
≥98 ≥245 ≥28

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

Technological properties

Name The value
Macrostructure and contamination Contamination of the metal pipes, non-metallic inclusions on the other 14-159-295-2004 should be on the maximum score: - Oxides (FROM, OS) ≤ 4 points; - Sulphides (S) ≤ 3 points; - Silicates (CX, SP) - 3 points; - Silicates, non-deformed ≤ 4 points.
Microstructure On the other 14-3-1956-94, THE 14-159-295-2004 the ferrite content in the steel should be in the range 1.0-4.0%. Grain size of the metal pipes on the other 14-159-295-2004 in the state of delivery should be not larger than 5 rooms.
Features of production Tubes are delivered in heat-treated (austenitisation) and the reign of the state and must be subjected to radiographic inspection. On the other 14-159-295-2004 pipes up to 40 mm inclusive must pass the test to the distribution to increase the outer diameter by 10% a mandrel with the taper angle 30° and must withstand a hydraulic test pressure in accordance with GOST 3845 with allowable stress equal to 40% of the strength of steel. The ability of pipe to withstand hydraulic test pressure is provided by the production technology and can be guaranteed by the manufacturer without testing.

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