Steel ПК70Д3-69 (Ж70Д3-69)

Designation

Name	The value
Name	The value
Designation GOST Cyrillic	ПК70Д3-69
Designation GOST Latin	PK70D3-69
Transliteration	PK70D3-69
By chemical elements	PCo70Cu3-69

Name	The value
Name	The value
Designation GOST Cyrillic	Ж70Д3-69
Designation GOST Latin	Zh70D3-69
Transliteration	G70D3-69
By chemical elements	Ж70Cu3-69

Description

Steel ПК70Д3−69 is used: for the manufacture by the method of single pressing sredneshirotnykh structural components used in mechanical engineering and instrument making; tool holders of the tool.

Note

Powder steel carbon alloy with copper.
The material should be applied after the impregnation with compounds that protect against internal corrosion. Compositions for the impregnation in accordance with OST 4G 0.054.213.

Standards

Name	Code	Standards
Name	Code	Standards
Hard alloys, ceramic-metal products and metal powder	В56	OST 107.460094.118-88, OST 107.460009.002-90

Chemical composition

Standard	C	Fe	Cu
Standard	C	Fe	Cu
OST 107.460094.118-88	0.5-0.8	Rest	2.5-3

Fe is the basis.

Mechanical properties

Section, mm	σ_U, MPa	d	KCU, kJ/m²	HB, MPa
Section, mm	σ_U, MPa	d	KCU, kJ/m²	HB, MPa
Properties of the material to heat treatment at OST 107.460094.118-88
	≥392	≥1	≥98	140-210

Description mechanical marks

Name	Description
Name	Description
σ_U	Limit short-term strength
d	Elongation after rupture
KCU	Toughness
HB	Brinell hardness number

Physical characteristics

Temperature	r, kg/m³
Temperature	r, kg/m³
20	6700

A description of the physical symbols

Name	Description
Name	Description
Е	The normal elasticity modulus
l	Coefficient of thermal conductivity
С	Specific heat

Technological properties

Name	The value
Name	The value
Microstructure	Pelletieri. Allowed ferrite to 50% and cementite in the form of a torn grid.