By visiting this site, you accept the use of cookies. More about our cookie policy.

Steel 40KH15N7G7F2MS (ЭИ388)

Steel 1Х14Н14В2М (ЭИ257) Steel 13Х15Н4АМ3 (EP310; VNS-5) Steel 15X11MF (1X11MF) Steel 15Х12ВНМФ (ЭИ802) Steel 15Х12Н2МВФАБ (EP517) Steel 15Х16К5Н2МВФАБ (EP866; VNS-30) Steel 16Х11Н2В2МФ (ЭИ962А) Steel 16Х12ВМСФ5Р Steel 16X12MVSFBR (EP823) 18X11MNFB steel (EP291) Steel 18Х12ВМБФР (ЭИ993) Steel 18Х14Н4АМ3 (VNS-43) 18Kh15N3M steel (DI1) Steel 13Х11Н2В2МФ (ЭИ961; ВНС-33) Steel 20X12VNMF (EP428; 20X12VNMF-S (EP427-S)) Steel 25Х13Н2ВМФ (EP65; 2Х13НВМФ) Steel 25Х18Н10В2 (EP610) Steel 25Х18Н8В2 (ЭИ946) Steel 31Х19Н9МВБТ (ЭИ572) Steel 37Х12Н8Г8МФБ (ЭИ481) Steel 40Х15Н7Г7Ф2МС (ЭИ388) Steel 42Х11М3Ф (EP890) Steel 45Х14Н14В2М (ЭИ69) Steel 45Х14Н14СВ2М (ЭИ240) Steel X12H20T2P (EI696A) X14H8M2 steel (EP509) Cr18N13C2AMVF5P steel Steel 09Х14Н19В2БР1 (ЭИ726) Steel 01X19Yu3Bch (EP904; 02X18Yu3B) Steel 04Х15Н11С3МТ Steel 06X14H5MF Steel 06Х16Н15М3Б (ЭИ847; 06Х16Н15М3Б) 06X16H15M3K steel Steel 07Х25Н16АГЦ (EP781) Steel 08X14MF Steel 08Х15Н24В4ТР (EP164) Steel 08Х15Н25М3ТЮБ Steel 08Х15Н5Д2Т (EP410; VNS-2; EP225) Steel 08Х16Н13М2Б (ЭИ680) Steel 09X14H16B (EI694) Steel 09X14H19V2BR (EI695R) Steel 13Х14Н3В2ФР (ЭИ736; 513Л) Steel 09Х16Н13М3 (ЭИ592) Steel 09Х16Н15М3Б Steel 09Х16Н16МВ2БР (ЭП184; Х16Н16МВ2БР) Steel 09Х16Н7М2Ю (ЗИ65) 10GN2MFA steel Steel 10Х11Н20Т3Р (ЭИ696) Steel 10Х11Н23Т3МР (ЭП33; ЭЦ696) Steel 10Х12Н22Т3МРУ (EP33U) Steel 10Х15Н28В2М4Б (EP485) Steel 10Х15Н9С3Б1 (EP302) 10Х9НСМФБ steel Steel 11Х11Н2В2МФ (ЭИ962)

Designation

Name The value
Designation GOST Cyrillic 40Х15Н7Г7Ф2МС
Designation GOST Latin 40X15H7G7F2MC
Transliteration 40H15N7G7F2MS
The chemical elements 40Cr15Н7Mn7V2MoС
Name The value
Designation GOST Cyrillic ЭИ388
Designation GOST Latin EI388
Transliteration EhI388
The chemical elements -

Description

40KH15N7G7F2MS steel is used: for the manufacture of gas turbine blades and fasteners that have an expiration date at a temperature of 650 °C.

Note

Steel alloy heat-resistant, precipitation hardening, austenitic.
The recommended maximum operating temperature for a limited period of work +650 °C.
The temperature of beginning of intensive scaling in air +800 °C.

Standards

Name Code Standards
Sheets and stripes В23 GOST 103-2006
Sectional and shaped rolling В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Sheets and stripes В33 GOST 4405-75
Classification, nomenclature and general norms В30 GOST 5632-72
Sectional and shaped rolling В32 GOST 5949-75, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-1-1763-76, TU 14-1-714-73, TU 14-11-245-88
Bulls. Blanks. Slabs В21 OST 1 90176-75
Bulls. Blanks. Slabs В31 OST 3-1686-90

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 5632-72 0.38-0.47 ≤0.02 ≤0.035 6-8 14-16 0.9-1.4 6-8 The rest ≤0.3 1.5-1.9 ≤0.2 0.65-0.95 ≤0.2
Fe is the basis.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Bars hot rolled and forged according to GOST 5949-75. Quenching in water or air with 1170-1190 °C + Aging at 780-820 °C (8-10 h exposure), air cooling
≥590 ≥880 ≥15 ≥15 ≥294 -
Rolled steel. Quenching in water from 1180 °C (aging for 1 h) + Quenching in air from 1,000 °C (aging for 1 h), air cooling
- ≥480 ≥940 ≥30 ≥28 - -
Rolled steel. Quenching in water from 1180 °C (aging for 1 h) + Quenching in air from 1,000 °C (aging for 1 h), cooling air (indicated temperature and time of heat exposure)
- ≥510 ≥930 ≥22 ≥18 ≥24 -
Forming at OST 1 90176-75. Quenching in water or air with 1170-1190 °C (exposure 30-45 min) + Aging at 780-820 °C (8-10 h exposure), air cooling
- ≥883 ≥15 ≥15 - 255-341
Rolled steel. Quenching in water from 1180 °C (aging for 1 h) + Quenching in air from 1,000 °C (aging for 1 h), air cooling
- ≥360 ≥640 ≥16 ≥24 - -
Rolled steel. Quenching in water from 1180 °C (aging for 1 h) + Quenching in air from 1,000 °C (aging for 1 h), cooling air (indicated temperature and time of heat exposure)
- ≥470 ≥810 ≥18 ≥15 ≥20 -
Rolled steel. Quenching in water or air with 1170-1190 °C + Ageing at 800 °C (8-10 h exposure), air cooling
- ≥600 ≥1000 ≥15 ≥15 - -
Rolled steel. Quenching in water from 1180 °C (aging for 1 h) + Quenching in air from 1,000 °C (aging for 1 h), cooling air (indicated temperature and time of heat exposure)
- ≥490 ≥880 ≥19 ≥17 ≥20 -
Rolled steel. Quenching in water or air with 1170-1190 °C + Ageing at 800 °C (8-10 h exposure), air cooling
- ≥550 ≥810 ≥13 ≥26 - -
- ≥540 ≥780 ≥12 ≥23 - -
- - ≥700 ≥12 ≥23 - -
- ≥500 ≥640 ≥9 ≥23 - -
- ≥430 ≥520 ≥8 ≥23 - -
- ≥280 ≥380 ≥8 ≥17 - -
- - ≥250 ≥7 ≥18 - -
- - ≥160 ≥6 ≥21 - -

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

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) a, 10-6 1/°С
20 185 7800 - -
200 187 7720 16 177
300 157 7680 18 184
400 147 7630 20 191
500 147 7580 22 205
600 147 7530 24 205
700 118 - 26 -
800 118 - - 208
100 - 7770 14 17

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity

Technological properties

Name The value
Forging temperature Start - 1160 °C, the end - 1000 °C.

Our consultant will save your time

+49 (170) 650 7006
Telegram:
WhatsApp:

Subscription

Special offers and discounts. :)