Database of Steel and Alloy (Marochnik)

HOME

STANDARDS

METALS

SEARCH

BULLETIN BOARD

GRADING

EDUCATION IN UKRAINE

CONTACTS

(495)
(495)

Metals -> Tool steel -> Die tool steel

Characteristics of the material 8KH3 ( 8H3, 8Х3 ).

Material :	8KH3 ( 8H3, 8Х3 )
Substitute:	7Х3
Classification :	Die tool steel

Chemical composition in % of the material 8KH3 ( 8H3, 8Х3 ) .

C	Si	Mn	Ni	S	P	Cr	Mo	W	V	Ti	Cu
0.75 - 0.85	0.15 - 0.35	0.15 - 0.4	max 0.35	max 0.03	max 0.03	3.2 - 3.8	max 0.2	max 0.2	max 0.15	max 0.03	max 0.3

Temperature of critical points of the grade 8KH3 ( 8H3, 8Х3 ).

Ac₁ = 785 , Ac₃(Ac_m) = 830 , Ar₃(Arc_m) = 770 , Ar₁ = 750 , Mn = 370

Mechanical properties under Т=20^oС of the material 8KH3 ( 8H3, 8Х3 ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
			1340	1270	8	25	340	Guenching 870^oC, oil, Drawing 500^oC, 2h,

Brinell hardness of the material 8KH3 ( 8H3, 8Х3 ) (annealing) ,

HB 10^-1= 241 MPa

Specification :

Mechanical properties :
s_в	- Tensile strength , [MPa]
s_T	- Yield stress, [MPa]
d₅	- Specific elongation at fracture , [ % ]
y	- Reduction of area , [ % ]
KCU	- Impact strength , [ kJ / m²]
HB	- Brinell hardness , [MPa]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
Helpfull for specialists in material technology, structural engineer, mechanical engineer, metallurgy and metal trader

Top

Информация взята с сайта Марочник стали и сплавов

Главная | Новости | Марочник сталей | Контакты | Обратная связь

-12345-