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Steel 12Х11В2МФ (ЭИ756)

Steel 12Х11В2МФ (ЭИ756) Steel 08Х21Н6М2Т (EP54) Steel 10Х12Н3М2ФА (ЦД-М) Steel 10Х12НД (0Х12НД) Steel 10Х13Г12БС2Н2Д2 (DI59) Steel 10X18G14AN4 (EP197; X18G14AN4) Steel 10Х32Н8 (EP263; Х32Н8) Steel 10Х9МФБ (DI82) 08X14F steel Steel 12X13 (1X13) Steel 12X18H10T (X18H10T) Steel 12Х18Н12Т (Х18Н12Т) 12X18H9SMR steel (EP414; Х18Н9СМР) Steel 12Х18Н9Т (Х18Н9Т) Steel 16Х20К6Н2МВФ (EP768; VNS-22) Steel 19Х20Н4АМ3Д2С (EC7) Steel 90G29Yu9VBM (DI38; 90G29Yu9VMBF; DI38F) Steel 03Х24Н6АМ3 (ЗИ130) Steel 015Х14Н19С6Б (ChS110) Steel 015Х20Н25Г2Б (EP754) Steel 02Х24Н6АМ3 (DI91) Steel 03N18K9M5T (EP637; MS200) Steel 03Х16Н15М3Б (026Х16Н15М3Б; ЭИ844Б) Steel 03Х18Н9Т (Х18Н9Т) Steel 03Х19Н15Г6М2АВ2 (ChS39) Steel 03Х21Н32М3Б (EP864; ČS33) Steel 08Х20Н5АГ12МФ (DI8) Steel 03Х9К14Н6М3Д (EP921; 03Х9К14Н6М3ДФ) Steel 04Х11Н9М2Д2 (EP832; 04Х11Н9М2Д2ТЮ) Steel 04Х13Н4АГ20 (ChS52) Steel 04Х14К13Н4М3ТВ (EP767) Steel 05Х15Н9Г6АМ (ChS31) Steel 05Х21Н12Г2БРч (DI94) Steel 07X13AG20 (ChS46) To access the entire list

Designation

Name The value
Designation GOST Cyrillic 12Х11В2МФ
Designation GOST Latin 12X11B2MF
Transliteration 12H11V2MF
The chemical elements 12Cr11W2MoV
Name The value
Designation GOST Cyrillic ЭИ756
Designation GOST Latin EI756
Transliteration EhI756
The chemical elements -

Description

12Х11В2МФ steel is used: for the manufacture 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.

Note

High-chromium steel of the martensitic class.

Standards

Name Code Standards
Sectional and shaped rolling В32 TU 14-1-1529-2003
Pipes steel and connecting parts to them В62 TU 14-3-460-2009, TU 14-3Р-55-2001, TU 14-3-460-2003

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
TU 14-3Р-55-2001 0.09-0.14 ≤0.025 ≤0.025 0.5-0.8 10-12 ≤0.5 ≤0.6 The rest ≤0.3 0.15-0.3 ≤0.05 0.6-0.9 1.7-2.2
TU 14-3-460-2003 0.09-0.14 ≤0.025 ≤0.025 0.5-0.8 10-12 ≤0.5 ≤0.6 The rest ≤0.3 0.15-0.3 - 0.6-0.9 1.7-2.2
Fe is the basis.
According to TU 14-3R-55-2001, a technological addition of rare earth elements is possible to improve the quality of the metal. The content of residual elements is according to GOST 5632.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization 1020-1050 NN the fire in °C, air cooling + Vacation at 750-780 °C (aged for at least 3 h), air cooling
20-25 ≥392 ≥588 ≥17 ≥45 ≥490 ≤255
20-25 ≥390 640-830 ≥18 - - ≤255
Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization 1020-1050 NN the fire in °C + Vacation at 750-780 (aged for at least 3 h), air cooling
- ≥392 ≥588 ≥17 ≥45 ≥490 ≤255
- ≥392 ≥588 ≥18 - - ≤255

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

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