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Steel 03N12KH5M3TJUL

Steel 35KhGFL (35KhGF)

30ХГФРЛ steel

Steel 30ХГСФРЛ

Steel 30Х3С3ГМЛ

Steel 12Х2НМЛ (VKL-3М)

Steel 16Х3МФЛ

Steel 15Х1М1ФЛ

Steel 13KhNDFTL

Steel 12Х7Г3СЛ

Steel 12Х2НВМЛ (VKL-3)

Steel 12DKhN1MFL

Steel 08GDNL (SL-30)

Steel 03N12H5M3TUL

Steel 03N12H5M3TL

Steel 25Х2ГНМФЛ

Steel 23ХГСС2МФЛ

Steel 27Х5GSML

Steel 20Х3МВФЛ (ЭИ415Л)

20GFL steel (20G1FL)

Designation

Name	The value
Name	The value
Designation GOST Cyrillic	03Н12Х5М3ТЮЛ
Designation GOST Latin	03H12X5M3TJuL
Transliteration	03N12H5M3TYuL
By chemical elements	03Н12Cr5Mo3TiAl

Description

03N12KH5M3TJUL steel is used: for the manufacture of castings of highly loaded parts for critical applications with wall thickness up to 200 mm.

Standards

Name	Code	Standards
Name	Code	Standards
Steel castings	В82	GOST 977-88

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Al	Ti	Mo
Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Al	Ti	Mo
GOST 977-88	0.01-0.04	≤0.015	≤0.015	≤0.2	4.5-5	≤0.2	12-12.5	Rest	0.25-0.45	0.7-0.9	2.5-3

Fe is the basis.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²
Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²
Casting. Homogenization at 1180-1200 °C + quenched in air from 1000 °C + aging at 500 °C, air cooling
100	≥1422	≥1472	≥8	≥35	≥294

Description mechanical marks

Name	Description
Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing
KCU	Toughness